diff --git a/Core/Callbacks/DialogCallbacks.cs b/Core/Callbacks/DialogCallbacks.cs
index ea7efc7d..e1d68160 100644
--- a/Core/Callbacks/DialogCallbacks.cs
+++ b/Core/Callbacks/DialogCallbacks.cs
@@ -1,4 +1,5 @@
 using Core.Models.Eft.Common;
+using Core.Models.Eft.Common.Request;
 using Core.Models.Eft.Dialog;
 using Core.Models.Eft.HttpResponse;
 using Core.Models.Eft.Profile;
@@ -27,7 +28,7 @@ public class DialogCallbacks
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> GetMailDialogInfo(string url, GetMailDialogInfoRequestData info, string sessionID)
+    public GetBodyResponseData<DialogueInfo> GetMailDialogInfo(string url, GetMailDialogInfoRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
@@ -52,11 +53,16 @@ public class DialogCallbacks
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<GetAllAttachmentsResponse> GetAllAttachments(string url, EmptyRequestData info, string sessionID)
+    public GetBodyResponseData<object> GetAllAttachments(string url, EmptyRequestData info, string sessionID) // TODO: Fix type - GetBodyResponseData<GetAllAttachmentsResponse | Undefined>
     {
         throw new NotImplementedException();
     }
 
+    public GetBodyResponseData<string> SendMessage(string url, SendMessageRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+    
     public GetBodyResponseData<List<object>> ListOutbox(string url, EmptyRequestData info, string sessionID)
     {
         throw new NotImplementedException();
@@ -64,20 +70,85 @@ public class DialogCallbacks
 
     public GetBodyResponseData<List<object>> ListInbox(string url, EmptyRequestData info, string sessionID)
     {
-        
+        throw new NotImplementedException();
     }
-
-    public NullResponseData SendFriendRequest(string url, FriendRequestData info, string sessionID)
+    
+    public GetBodyResponseData<FriendRequestSendResponse> SendFriendRequest(string url, FriendRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<int> SendMessage(string url, SendMessageRequest info, string sessionID)
+    public NullResponseData AcceptAllFriendRequests(string url, EmptyRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
 
-    public bool Update()
+    public GetBodyResponseData<bool> AcceptFriendRequest(string url, AcceptFriendRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<bool> DeclineFriendRequest(string url, DeclineFriendRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<bool> CancelFriendRequest(string url, CancelFriendRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public NullResponseData DeleteFriend(string url, DeleteFriendRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public NullResponseData IgnoreFriend(string url, UIDRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public NullResponseData UnIgnoreFriend(string url, UIDRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> ClearMail(string url, ClearMailMessageRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> RemoveMail(string url, RemoveMailMessageRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> CreateGroupMail(string url, CreateGroupMailRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> ChangeMailGroupOwner(string url, ChangeGroupMailOwnerRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> AddUserToMail(string url, AddUserGroupMailRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<List<object>> RemoveUserFromMail(string url, RemoveUserGroupMailRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public async Task<bool> OnUpdate(int timeSinceLastRun)
+    {
+        throw new NotImplementedException();
+    }
+
+    public string GetRoute()
     {
         throw new NotImplementedException();
     }
diff --git a/Core/Callbacks/GameCallbacks.cs b/Core/Callbacks/GameCallbacks.cs
index 166f5219..81e37135 100644
--- a/Core/Callbacks/GameCallbacks.cs
+++ b/Core/Callbacks/GameCallbacks.cs
@@ -1,18 +1,38 @@
-namespace Core.Callbacks;
+using Core.Models.Eft.Common;
+using Core.Models.Eft.Common.Request;
+using Core.Models.Eft.Game;
+using Core.Models.Eft.HttpResponse;
+
+namespace Core.Callbacks;
 
 public class GameCallbacks
 {
-    public NullResponseData VersionValidata(string url, VersionValidaterequestData info, string sessionID)
+    public GameCallbacks()
+    {
+        
+    }
+
+    public async Task OnLoad()
     {
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> GameStart(string url, EmptyRequestData info, string sessionID)
+    public string GetRoute()
+    {
+        throw new NotImplementedException();
+    }
+    
+    public NullResponseData VersionValidata(string url, VersionValidateRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> GameLogout(string url, EmptyRequestData info, string sessionID)
+    public GetBodyResponseData<GameStartResponse> GameStart(string url, EmptyRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<GameLogoutResponseData> GameLogout(string url, EmptyRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
@@ -22,17 +42,22 @@ public class GameCallbacks
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> GetServer(string url, EmptyRequestData info, string sessionID)
+    public GetBodyResponseData<GameModeResponse> GetGameMode(string url, GameModeRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> ValidateGameVersion(string url, EmptyRequestData info, string sessionID)
+    public GetBodyResponseData<List<ServerDetails>> GetServer(string url, EmptyRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
 
-    public GetBodyResponseData<object> GameKeepalive(string url, EmptyRequestData info, string sessionID)
+    public GetBodyResponseData<CheckVersionResponse> ValidateGameVersion(string url, EmptyRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetBodyResponseData<GameKeepAliveResponse> GameKeepalive(string url, EmptyRequestData info, string sessionID)
     {
         throw new NotImplementedException();
     }
@@ -41,4 +66,29 @@ public class GameCallbacks
     {
         throw new NotImplementedException();
     }
+
+    public NullResponseData ReportNickname(string url, UIDRequestData info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GetRaidTimeResponse GetRaidTime(string url, GetRaidTimeRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public object GetSurvey(string url, EmptyRequestData info, string sessionID) // TODO: Types given was NullResponseData | GetBodyResponseData<SurveyResponseData>
+    {
+        throw new NotImplementedException();
+    }
+
+    public NullResponseData GetSurveyView(string url, object info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public NullResponseData SendSurveyOpinion(string url, SendSurveyOpinionRequest info, string sessionID)
+    {
+        throw new NotImplementedException();
+    }
 }
\ No newline at end of file
diff --git a/Core/Models/Eft/Common/Request/UIDRequestData.cs b/Core/Models/Eft/Common/Request/UIDRequestData.cs
new file mode 100644
index 00000000..c209c9f0
--- /dev/null
+++ b/Core/Models/Eft/Common/Request/UIDRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Common.Request;
+
+public class UIDRequestData
+{
+    [JsonPropertyName("uid")]
+    public string Uid { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/AcceptFriendRequestData.cs b/Core/Models/Eft/Dialog/AcceptFriendRequestData.cs
new file mode 100644
index 00000000..880d01aa
--- /dev/null
+++ b/Core/Models/Eft/Dialog/AcceptFriendRequestData.cs
@@ -0,0 +1,21 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class AcceptFriendRequestData : BaseFriendRequest
+{
+}
+
+public class CancelFriendRequestData : BaseFriendRequest
+{
+}
+
+public class DeclineFriendRequestData : BaseFriendRequest
+{
+}
+
+public class BaseFriendRequest
+{
+    [JsonPropertyName("profileId")]
+    public string ProfileId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/AddUserGroupMailRequest.cs b/Core/Models/Eft/Dialog/AddUserGroupMailRequest.cs
new file mode 100644
index 00000000..f11c58c3
--- /dev/null
+++ b/Core/Models/Eft/Dialog/AddUserGroupMailRequest.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class AddUserGroupMailRequest
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+
+    [JsonPropertyName("uid")]
+    public string Uid { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/ChangeGroupMailOwnerRequest.cs b/Core/Models/Eft/Dialog/ChangeGroupMailOwnerRequest.cs
new file mode 100644
index 00000000..15cc6839
--- /dev/null
+++ b/Core/Models/Eft/Dialog/ChangeGroupMailOwnerRequest.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class ChangeGroupMailOwnerRequest
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+
+    [JsonPropertyName("uid")]
+    public string Uid { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/ClearMailMessageRequest.cs b/Core/Models/Eft/Dialog/ClearMailMessageRequest.cs
new file mode 100644
index 00000000..58c7bd8a
--- /dev/null
+++ b/Core/Models/Eft/Dialog/ClearMailMessageRequest.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class ClearMailMessageRequest
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/CreateGroupMailRequest.cs b/Core/Models/Eft/Dialog/CreateGroupMailRequest.cs
new file mode 100644
index 00000000..d5db07c2
--- /dev/null
+++ b/Core/Models/Eft/Dialog/CreateGroupMailRequest.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class CreateGroupMailRequest
+{
+    [JsonPropertyName("Name")]
+    public string Name { get; set; }
+
+    [JsonPropertyName("Users")]
+    public List<string> Users { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/DeleteFriendRequest.cs b/Core/Models/Eft/Dialog/DeleteFriendRequest.cs
new file mode 100644
index 00000000..27fa4ae1
--- /dev/null
+++ b/Core/Models/Eft/Dialog/DeleteFriendRequest.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class DeleteFriendRequest
+{
+    [JsonPropertyName("friend_id")]
+    public string FriendId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/FriendRequestData.cs b/Core/Models/Eft/Dialog/FriendRequestData.cs
new file mode 100644
index 00000000..3b010663
--- /dev/null
+++ b/Core/Models/Eft/Dialog/FriendRequestData.cs
@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class FriendRequestData
+{
+    [JsonPropertyName("status")]
+    public int Status { get; set; }
+
+    [JsonPropertyName("requestId")]
+    public string RequestId { get; set; }
+
+    [JsonPropertyName("retryAfter")]
+    public int RetryAfter { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/FriendRequestSendResponse.cs b/Core/Models/Eft/Dialog/FriendRequestSendResponse.cs
new file mode 100644
index 00000000..2a2fb774
--- /dev/null
+++ b/Core/Models/Eft/Dialog/FriendRequestSendResponse.cs
@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class FriendRequestSendResponse
+{
+    [JsonPropertyName("status")]
+    public int Status { get; set; }
+
+    [JsonPropertyName("requestId")]
+    public string RequestId { get; set; }
+
+    [JsonPropertyName("retryAfter")]
+    public int RetryAfter { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/GetMailDialogInfoRequestData.cs b/Core/Models/Eft/Dialog/GetMailDialogInfoRequestData.cs
new file mode 100644
index 00000000..a4b83c62
--- /dev/null
+++ b/Core/Models/Eft/Dialog/GetMailDialogInfoRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class GetMailDialogInfoRequestData
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/GetMailDialogViewRequestData.cs b/Core/Models/Eft/Dialog/GetMailDialogViewRequestData.cs
new file mode 100644
index 00000000..9684be00
--- /dev/null
+++ b/Core/Models/Eft/Dialog/GetMailDialogViewRequestData.cs
@@ -0,0 +1,19 @@
+using System.Text.Json.Serialization;
+using Core.Models.Enums;
+
+namespace Core.Models.Eft.Dialog;
+
+public class GetMailDialogViewRequestData
+{
+    [JsonPropertyName("type")]
+    public MessageType Type { get; set; }
+
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+
+    [JsonPropertyName("limit")]
+    public int Limit { get; set; }
+
+    [JsonPropertyName("time")]
+    public decimal Time { get; set; } // decimal
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/GetMailDialogViewResponseData.cs b/Core/Models/Eft/Dialog/GetMailDialogViewResponseData.cs
new file mode 100644
index 00000000..379f489f
--- /dev/null
+++ b/Core/Models/Eft/Dialog/GetMailDialogViewResponseData.cs
@@ -0,0 +1,16 @@
+using System.Text.Json.Serialization;
+using Core.Models.Eft.Profile;
+
+namespace Core.Models.Eft.Dialog;
+
+public class GetMailDialogViewResponseData
+{
+    [JsonPropertyName("messages")]
+    public List<Message> Messages { get; set; }
+
+    [JsonPropertyName("profiles")]
+    public List<UserDialogInfo> Profiles { get; set; }
+
+    [JsonPropertyName("hasMessagesWithRewards")]
+    public bool HasMessagesWithRewards { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/PinDialogRequestData.cs b/Core/Models/Eft/Dialog/PinDialogRequestData.cs
new file mode 100644
index 00000000..1a2980e2
--- /dev/null
+++ b/Core/Models/Eft/Dialog/PinDialogRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class PinDialogRequestData
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/RemoveDialogRequestData.cs b/Core/Models/Eft/Dialog/RemoveDialogRequestData.cs
new file mode 100644
index 00000000..dacdb9d2
--- /dev/null
+++ b/Core/Models/Eft/Dialog/RemoveDialogRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class RemoveDialogRequestData
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/RemoveMailMessageRequest.cs b/Core/Models/Eft/Dialog/RemoveMailMessageRequest.cs
new file mode 100644
index 00000000..a0a42650
--- /dev/null
+++ b/Core/Models/Eft/Dialog/RemoveMailMessageRequest.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class RemoveMailMessageRequest
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/RemoveUserGroupMailRequest.cs b/Core/Models/Eft/Dialog/RemoveUserGroupMailRequest.cs
new file mode 100644
index 00000000..8b768067
--- /dev/null
+++ b/Core/Models/Eft/Dialog/RemoveUserGroupMailRequest.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class RemoveUserGroupMailRequest
+{
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+
+    [JsonPropertyName("uid")]
+    public string Uid { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/SendMessageRequest.cs b/Core/Models/Eft/Dialog/SendMessageRequest.cs
new file mode 100644
index 00000000..1e3c0299
--- /dev/null
+++ b/Core/Models/Eft/Dialog/SendMessageRequest.cs
@@ -0,0 +1,18 @@
+using System.Text.Json.Serialization;
+using Core.Models.Enums;
+
+namespace Core.Models.Eft.Dialog;
+
+public class SendMessageRequest {
+    [JsonPropertyName("dialogId")]
+    public string DialogId { get; set; }
+
+    [JsonPropertyName("type")]
+    public MessageType Type { get; set; }
+
+    [JsonPropertyName("text")]
+    public string Text { get; set; }
+
+    [JsonPropertyName("replyTo")]
+    public string ReplyTo { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Dialog/SetDialogReadRequestData.cs b/Core/Models/Eft/Dialog/SetDialogReadRequestData.cs
new file mode 100644
index 00000000..d1192c9f
--- /dev/null
+++ b/Core/Models/Eft/Dialog/SetDialogReadRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Dialog;
+
+public class SetDialogReadRequestData
+{
+    [JsonPropertyName("dialogId")]
+    public List<string> DialogId { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/CheckVersionResponse.cs b/Core/Models/Eft/Game/CheckVersionResponse.cs
new file mode 100644
index 00000000..bcf70dfa
--- /dev/null
+++ b/Core/Models/Eft/Game/CheckVersionResponse.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class CheckVersionResponse
+{
+    [JsonPropertyName("isvalid")]
+    public bool IsValid { get; set; }
+
+    [JsonPropertyName("latestVersion")]
+    public string LatestVersion { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameConfigResponse.cs b/Core/Models/Eft/Game/GameConfigResponse.cs
new file mode 100644
index 00000000..fff5fadb
--- /dev/null
+++ b/Core/Models/Eft/Game/GameConfigResponse.cs
@@ -0,0 +1,76 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameConfigResponse
+{
+    [JsonPropertyName("aid")]
+    public int Aid { get; set; }
+
+    [JsonPropertyName("lang")]
+    public string Language { get; set; }
+
+    [JsonPropertyName("languages")]
+    public Dictionary<string, string> Languages { get; set; }
+
+    [JsonPropertyName("ndaFree")]
+    public bool IsNdaFree { get; set; }
+
+    [JsonPropertyName("taxonomy")]
+    public int Taxonomy { get; set; }
+
+    [JsonPropertyName("activeProfileId")]
+    public string ActiveProfileId { get; set; }
+
+    [JsonPropertyName("backend")]
+    public Backend Backend { get; set; }
+
+    [JsonPropertyName("useProtobuf")]
+    public bool UseProtobuf { get; set; }
+
+    [JsonPropertyName("utc_time")]
+    public long UtcTime { get; set; }
+
+    /** Total in game time */
+    [JsonPropertyName("totalInGame")]
+    public int TotalInGame { get; set; }
+
+    [JsonPropertyName("reportAvailable")]
+    public bool IsReportAvailable { get; set; }
+
+    [JsonPropertyName("twitchEventMember")]
+    public bool IsTwitchEventMember { get; set; }
+
+    [JsonPropertyName("sessionMode")]
+    public string SessionMode { get; set; }
+
+    [JsonPropertyName("purchasedGames")]
+    public PurchasedGames PurchasedGames { get; set; }
+}
+
+public class PurchasedGames
+{
+    [JsonPropertyName("eft")]
+    public bool IsEftPurchased { get; set; }
+
+    [JsonPropertyName("arena")]
+    public bool IsArenaPurchased { get; set; }
+}
+
+public class Backend
+{
+    [JsonPropertyName("Lobby")]
+    public string Lobby { get; set; }
+
+    [JsonPropertyName("Trading")]
+    public string Trading { get; set; }
+
+    [JsonPropertyName("Messaging")]
+    public string Messaging { get; set; }
+
+    [JsonPropertyName("Main")]
+    public string Main { get; set; }
+
+    [JsonPropertyName("RagFair")]
+    public string RagFair { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameEmptyCrcRequestData.cs b/Core/Models/Eft/Game/GameEmptyCrcRequestData.cs
new file mode 100644
index 00000000..d06653b2
--- /dev/null
+++ b/Core/Models/Eft/Game/GameEmptyCrcRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameEmptyCrcRequestData
+{
+    [JsonPropertyName("crc")]
+    public int Crc { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameKeepAliveResponse.cs b/Core/Models/Eft/Game/GameKeepAliveResponse.cs
new file mode 100644
index 00000000..23b44449
--- /dev/null
+++ b/Core/Models/Eft/Game/GameKeepAliveResponse.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameKeepAliveResponse
+{
+    [JsonPropertyName("msg")]
+    public string Message { get; set; }
+
+    [JsonPropertyName("utc_time")]
+    public double UtcTime { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameLogoutResponseData.cs b/Core/Models/Eft/Game/GameLogoutResponseData.cs
new file mode 100644
index 00000000..74772b66
--- /dev/null
+++ b/Core/Models/Eft/Game/GameLogoutResponseData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameLogoutResponseData
+{
+    [JsonPropertyName("status")]
+    public string Status { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameModeRequestData.cs b/Core/Models/Eft/Game/GameModeRequestData.cs
new file mode 100644
index 00000000..37c9b125
--- /dev/null
+++ b/Core/Models/Eft/Game/GameModeRequestData.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameModeRequestData
+{
+    [JsonPropertyName("sessionMode")]
+    public string? SessionMode { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameModeResponse.cs b/Core/Models/Eft/Game/GameModeResponse.cs
new file mode 100644
index 00000000..298e8134
--- /dev/null
+++ b/Core/Models/Eft/Game/GameModeResponse.cs
@@ -0,0 +1,18 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public enum SessionMode
+{
+    REGULAR,
+    PVE
+}
+
+public class GameModeResponse
+{
+    [JsonPropertyName("gameMode")]
+    public SessionMode GameMode { get; set; }
+
+    [JsonPropertyName("backendUrl")]
+    public string BackendUrl { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GameStartResponse.cs b/Core/Models/Eft/Game/GameStartResponse.cs
new file mode 100644
index 00000000..c5718bcd
--- /dev/null
+++ b/Core/Models/Eft/Game/GameStartResponse.cs
@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GameStartResponse 
+{
+    [JsonPropertyName("utc_time")]
+    public double UtcTime { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GetRaidTimeRequest.cs b/Core/Models/Eft/Game/GetRaidTimeRequest.cs
new file mode 100644
index 00000000..953a6285
--- /dev/null
+++ b/Core/Models/Eft/Game/GetRaidTimeRequest.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GetRaidTimeRequest
+{
+    [JsonPropertyName("Side")]
+    public string Side { get; set; }
+
+    [JsonPropertyName("Location")]
+    public string Location { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/GetRaidTimeResponse.cs b/Core/Models/Eft/Game/GetRaidTimeResponse.cs
new file mode 100644
index 00000000..a1a99c68
--- /dev/null
+++ b/Core/Models/Eft/Game/GetRaidTimeResponse.cs
@@ -0,0 +1,33 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class GetRaidTimeResponse
+{
+    [JsonPropertyName("RaidTimeMinutes")]
+    public int RaidTimeMinutes { get; set; }
+
+    [JsonPropertyName("NewSurviveTimeSeconds")]
+    public int? NewSurviveTimeSeconds { get; set; }
+
+    [JsonPropertyName("OriginalSurvivalTimeSeconds")]
+    public int OriginalSurvivalTimeSeconds { get; set; }
+
+    [JsonPropertyName("ExitChanges")]
+    public List<ExtractChange> ExitChanges { get; set; }
+}
+
+public class ExtractChange
+{
+    [JsonPropertyName("Name")]
+    public string Name { get; set; }
+
+    [JsonPropertyName("MinTime")]
+    public int? MinTime { get; set; }
+
+    [JsonPropertyName("MaxTime")]
+    public int? MaxTime { get; set; }
+
+    [JsonPropertyName("Chance")]
+    public int? Chance { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/SendSurveyOpinionRequest.cs b/Core/Models/Eft/Game/SendSurveyOpinionRequest.cs
new file mode 100644
index 00000000..0d3337af
--- /dev/null
+++ b/Core/Models/Eft/Game/SendSurveyOpinionRequest.cs
@@ -0,0 +1,24 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class SendSurveyOpinionRequest
+{
+    [JsonPropertyName("surveyId")]
+    public int SurveyId { get; set; }
+    
+    [JsonPropertyName("answers")]
+    public List<SurveyOpinionAnswer> Answers { get; set; }
+}
+
+public class SurveyOpinionAnswer
+{
+    [JsonPropertyName("questionId")]
+    public int QuestionId { get; set; }
+    
+    [JsonPropertyName("answerType")]
+    public string AnswerType { get; set; }
+    
+    [JsonPropertyName("answers")]
+    public object Answers { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/ServerDetails.cs b/Core/Models/Eft/Game/ServerDetails.cs
new file mode 100644
index 00000000..2b0448b9
--- /dev/null
+++ b/Core/Models/Eft/Game/ServerDetails.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class ServerDetails
+{
+    [JsonPropertyName("ip")]
+    public string Ip { get; set; }
+
+    [JsonPropertyName("port")]
+    public int Port { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/SurveyResponseData.cs b/Core/Models/Eft/Game/SurveyResponseData.cs
new file mode 100644
index 00000000..91dfae4b
--- /dev/null
+++ b/Core/Models/Eft/Game/SurveyResponseData.cs
@@ -0,0 +1,90 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class SurveyResponseData
+{
+    [JsonPropertyName("locale")]
+    public Dictionary<string, Dictionary<string, string>> Locale { get; set; }
+
+    [JsonPropertyName("survey")]
+    public Survey Survey { get; set; }
+}
+
+public class Survey
+{
+    [JsonPropertyName("id")]
+    public int Id { get; set; }
+
+    [JsonPropertyName("welcomePageData")]
+    public WelcomePageData WelcomePageData { get; set; }
+
+    [JsonPropertyName("farewellPageData")]
+    public FarewellPageData FarewellPageData { get; set; }
+
+    [JsonPropertyName("pages")]
+    public List<List<int>> Pages { get; set; }
+
+    [JsonPropertyName("questions")]
+    public List<SurveyQuestion> Questions { get; set; }
+
+    [JsonPropertyName("isNew")]
+    public bool IsNew { get; set; }
+}
+
+public class WelcomePageData
+{
+    [JsonPropertyName("titleLocaleKey")]
+    public string TitleLocaleKey { get; set; }
+
+    [JsonPropertyName("timeLocaleKey")]
+    public string TimeLocaleKey { get; set; }
+
+    [JsonPropertyName("descriptionLocaleKey")]
+    public string DescriptionLocaleKey { get; set; }
+}
+
+public class FarewellPageData
+{
+    [JsonPropertyName("textLocaleKey")]
+    public string TextLocaleKey { get; set; }
+}
+
+public class SurveyQuestion
+{
+    [JsonPropertyName("id")]
+    public int Id { get; set; }
+
+    [JsonPropertyName("sortIndex")]
+    public int SortIndex { get; set; }
+
+    [JsonPropertyName("titleLocaleKey")]
+    public string TitleLocaleKey { get; set; }
+
+    [JsonPropertyName("hintLocaleKey")]
+    public string HintLocaleKey { get; set; }
+
+    [JsonPropertyName("answerLimit")]
+    public int AnswerLimit { get; set; }
+
+    [JsonPropertyName("answerType")]
+    public string AnswerType { get; set; }
+
+    [JsonPropertyName("answers")]
+    public List<SurveyAnswer> Answers { get; set; }
+}
+
+public class SurveyAnswer
+{
+    [JsonPropertyName("id")]
+    public int Id { get; set; }
+
+    [JsonPropertyName("questionId")]
+    public int QuestionId { get; set; }
+
+    [JsonPropertyName("sortIndex")]
+    public int SortIndex { get; set; }
+
+    [JsonPropertyName("localeKey")]
+    public string LocaleKey { get; set; }
+}
\ No newline at end of file
diff --git a/Core/Models/Eft/Game/VersionValidateRequestData.cs b/Core/Models/Eft/Game/VersionValidateRequestData.cs
new file mode 100644
index 00000000..8470f201
--- /dev/null
+++ b/Core/Models/Eft/Game/VersionValidateRequestData.cs
@@ -0,0 +1,30 @@
+using System.Text.Json.Serialization;
+
+namespace Core.Models.Eft.Game;
+
+public class VersionValidateRequestData
+{
+    [JsonPropertyName("version")]
+    public Version Version { get; set; }
+
+    [JsonPropertyName("develop")]
+    public bool Develop { get; set; }
+}
+
+public class Version
+{
+    [JsonPropertyName("major")]
+    public string Major { get; set; }
+
+    [JsonPropertyName("minor")]
+    public string Minor { get; set; }
+
+    [JsonPropertyName("game")]
+    public string Game { get; set; }
+
+    [JsonPropertyName("backend")]
+    public string Backend { get; set; }
+
+    [JsonPropertyName("taxonomy")]
+    public string Taxonomy { get; set; }
+}
\ No newline at end of file