diff --git a/Permissions/Permissions/Permissions.vcxproj.filters b/Permissions/Permissions/Permissions.vcxproj.filters
index 4cdf5300..838e9c24 100644
--- a/Permissions/Permissions/Permissions.vcxproj.filters
+++ b/Permissions/Permissions/Permissions.vcxproj.filters
@@ -13,6 +13,9 @@
     <Filter Include="Private\Sqlite">
       <UniqueIdentifier>{b090c175-c079-441f-bf0c-01d206683d33}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Private\Cache">
+      <UniqueIdentifier>{c048ee96-81a8-4d9f-846e-4fbea9158926}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Private\Main.h">
@@ -45,6 +48,9 @@
     <ClInclude Include="Public\AtlasPermissions.h">
       <Filter>Public</Filter>
     </ClInclude>
+    <ClInclude Include="Private\Cache\Cache.h">
+      <Filter>Private\Cache</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Private\Permissions.cpp">
diff --git a/Permissions/Permissions/Private/Cache/Cache.h b/Permissions/Permissions/Private/Cache/Cache.h
new file mode 100644
index 00000000..5539e91b
--- /dev/null
+++ b/Permissions/Permissions/Private/Cache/Cache.h
@@ -0,0 +1,109 @@
+#pragma once
+
+namespace Permissions::Cache
+{
+	struct permissions_cache_player_permissions
+	{
+		size_t permission_hash;
+		bool active;
+
+		permissions_cache_player_permissions(size_t _permission_hash, bool _active)
+		{
+			permission_hash = _permission_hash;
+			active = _active;
+		}
+	};
+
+	struct permission_cache_player_groups
+	{
+		size_t group_hash;
+		bool active;
+
+		permission_cache_player_groups(size_t _group_hash, bool _active)
+		{
+			group_hash = _group_hash;
+			active = _active;
+		}
+	};
+
+	struct permission_cache_player
+	{
+		std::vector<permission_cache_player_groups> groups;
+		std::vector<permissions_cache_player_permissions> permissions;
+
+		permission_cache_player(permission_cache_player_groups group)
+		{
+			groups.push_back(group);
+		}
+
+		permission_cache_player(permissions_cache_player_permissions permission)
+		{
+			permissions.push_back(permission);
+		}
+	};
+
+	inline std::hash<std::string> hasher;
+	inline std::unordered_map<uint64, std::unique_ptr<permission_cache_player>> player_cache;
+
+	inline void AddPlayerToGroup(const uint64& steam_id, const FString& group, const bool active)
+	{
+		const size_t group_hash = hasher(group.ToString()); 
+		
+		auto cache_info = std::find_if(player_cache.begin(), player_cache.end(), [&steam_id](const auto& perm_info) { return perm_info.first == steam_id; });
+		if (cache_info != player_cache.end())
+			cache_info->second->groups.push_back(permission_cache_player_groups(group_hash, active));
+		else
+			player_cache[steam_id] = std::make_unique<permission_cache_player>(permission_cache_player(permission_cache_player_groups(group_hash, active)));
+	}
+
+	inline void AddPlayerToPermission(const uint64& steam_id, const FString& permission, const bool active)
+	{
+		const size_t permission_hash = hasher(permission.ToString());
+
+		auto cache_info = std::find_if(player_cache.begin(), player_cache.end(), [&steam_id](const auto& perm_info) { return perm_info.first == steam_id; });
+		if (cache_info != player_cache.end())
+			cache_info->second->permissions.push_back(permissions_cache_player_permissions(permission_hash, active));
+		else
+			player_cache[steam_id] = std::make_unique<permission_cache_player>(permission_cache_player(permissions_cache_player_permissions(permission_hash, active)));
+	}
+
+	inline void RemovePlayer(const uint64& steam_id)
+	{
+		player_cache.erase(steam_id);
+	}
+
+	inline void ClearAll()
+	{
+		player_cache.clear();
+	}
+
+	inline const int IsPlayerInGroup(const uint64& steam_id, const FString& group)
+	{
+		const auto& cache_info = std::find_if(player_cache.begin(), player_cache.end(), [&steam_id](const auto& perm_info) { return perm_info.first == steam_id; });
+		if (cache_info == player_cache.end())
+			return -1;
+
+		const size_t group_hash = hasher(group.ToString());
+
+		const auto& cache_group_perm = std::find_if(cache_info->second->groups.begin(), cache_info->second->groups.end(), [&group_hash](const auto& group_info) { return group_info.group_hash == group_hash; });
+		if (cache_group_perm != cache_info->second->groups.end())
+			return cache_group_perm->active ? 1 : 0;
+
+		return -1;
+	}
+
+	inline const int IsPlayerHasPermission(const uint64& steam_id, const FString& permission)
+	{
+		const auto& cache_info = std::find_if(player_cache.begin(), player_cache.end(), [&steam_id](const auto& perm_info) { return perm_info.first == steam_id; });
+		if (cache_info == player_cache.end())
+			return -1;
+
+		const size_t permission_hash = hasher(permission.ToString());
+
+		const auto& cache_perm = std::find_if(cache_info->second->permissions.begin(), cache_info->second->permissions.end(), [&permission_hash](const auto& perm_info) { return perm_info.permission_hash == permission_hash; });
+		if (cache_perm != cache_info->second->permissions.end())
+			return cache_perm->active ? 1 : 0;
+
+		return -1;
+	}
+}
\ No newline at end of file
diff --git a/Permissions/Permissions/Private/Database/MysqlDB.h b/Permissions/Permissions/Private/Database/MysqlDB.h
index 2e03eeaf..2d4f00c7 100644
--- a/Permissions/Permissions/Private/Database/MysqlDB.h
+++ b/Permissions/Permissions/Private/Database/MysqlDB.h
@@ -51,8 +51,8 @@ class MySql : public IDatabase
 			                                "WHERE NOT EXISTS(SELECT 1 FROM {} WHERE GroupName = 'Admins');",
 			                                table_groups_,
 			                                table_groups_));
-			result |= db_.query(fmt::format("INSERT INTO {} (GroupName)"
-			                                "SELECT 'Default'"
+			result |= db_.query(fmt::format("INSERT INTO {} (GroupName, Permissions)"
+			                                "SELECT 'Default', 'Default,'"
 			                                "WHERE NOT EXISTS(SELECT 1 FROM {} WHERE GroupName = 'Default');",
 			                                table_groups_,
 			                                table_groups_));
diff --git a/Permissions/Permissions/Private/Database/SqlLiteDB.h b/Permissions/Permissions/Private/Database/SqlLiteDB.h
index f82a9b28..14c8a50f 100644
--- a/Permissions/Permissions/Private/Database/SqlLiteDB.h
+++ b/Permissions/Permissions/Private/Database/SqlLiteDB.h
@@ -33,8 +33,8 @@ class SqlLite : public IDatabase
 			db_.exec("INSERT INTO Groups(GroupName, Permissions)"
 				"SELECT 'Admins', '*,'"
 				"WHERE NOT EXISTS(SELECT 1 FROM Groups WHERE GroupName = 'Admins');");
-			db_.exec("INSERT INTO Groups(GroupName)"
-				"SELECT 'Default'"
+			db_.exec("INSERT INTO Groups(GroupName, Permissions)"
+				"SELECT 'Default', 'Default,'"
 				"WHERE NOT EXISTS(SELECT 1 FROM Groups WHERE GroupName = 'Default');");
 		}
 		catch (const std::exception& exception)
diff --git a/Permissions/Permissions/Private/Hooks.cpp b/Permissions/Permissions/Private/Hooks.cpp
index 0573dc38..ff0b2253 100644
--- a/Permissions/Permissions/Private/Hooks.cpp
+++ b/Permissions/Permissions/Private/Hooks.cpp
@@ -7,12 +7,20 @@ namespace Permissions::Hooks
 	DECLARE_HOOK(AShooterGameMode_HandleNewPlayer, bool, AShooterGameMode*, AShooterPlayerController*,
 	UPrimalPlayerData*, AShooterCharacter*, bool);
 	DECLARE_HOOK(AShooterPlayerController_ClientNotifyAdmin, void, AShooterPlayerController*);
+	DECLARE_HOOK(AShooterGameMode_Logout, void, AShooterGameMode*, AController*);
 
-	bool Hook_AShooterGameMode_HandleNewPlayer(AShooterGameMode* _this, AShooterPlayerController* new_player,
+
+	void CheckAdmin(const uint64 steam_id)
+	{
+		if (!IsPlayerInGroup(steam_id, "Admins"))
+			database->AddPlayerToGroup(steam_id, "Admins");
+	}
+
+	bool Hook_AShooterGameMode_HandleNewPlayer(AShooterGameMode* _this, AShooterPlayerController* player_controller,
 	                                           UPrimalPlayerData* player_data, AShooterCharacter* player_character,
 	                                           bool is_from_login)
 	{
-		const uint64 steam_id = ArkApi::IApiUtils::GetSteamIdFromController(new_player);
+		const uint64 steam_id = ArkApi::IApiUtils::GetSteamIdFromController(player_controller);
 
 		if (!database->IsPlayerExists(steam_id))
 		{
@@ -21,21 +29,33 @@ namespace Permissions::Hooks
 			{
 				Log::GetLog()->error("({} {}) Couldn't add player", __FILE__, __FUNCTION__);
 			}
+
+			CheckAdmin(steam_id);
 		}
 
-		return AShooterGameMode_HandleNewPlayer_original(_this, new_player, player_data, player_character,
+		return AShooterGameMode_HandleNewPlayer_original(_this, player_controller, player_data, player_character,
 		                                                 is_from_login);
 	}
 
 	void Hook_AShooterPlayerController_ClientNotifyAdmin(AShooterPlayerController* player_controller)
-	{
+	{		
 		const uint64 steam_id = ArkApi::IApiUtils::GetSteamIdFromController(player_controller);
-
-		if (!IsPlayerInGroup(steam_id, "Admins"))
-			database->AddPlayerToGroup(steam_id, "Admins");
+		
+		CheckAdmin(steam_id);
 
 		AShooterPlayerController_ClientNotifyAdmin_original(player_controller);
 	}
+	
+	void _cdecl Hook_AShooterGameMode_Logout(AShooterGameMode* _this, AController* controller)
+	{
+		if (use_cache && controller && controller->IsA(AShooterPlayerController::StaticClass()))
+		{
+			AShooterPlayerController* player_controller = static_cast<AShooterPlayerController*>(controller);
+			const uint64 steam_id = ArkApi::IApiUtils::GetSteamIdFromController(player_controller);
+			Cache::RemovePlayer(steam_id);
+		}
+		AShooterGameMode_Logout_original(_this, controller);
+	}
 
 	void Init()
 	{
@@ -46,5 +66,10 @@ namespace Permissions::Hooks
 		ArkApi::GetHooks().SetHook("AShooterPlayerController.ClientNotifyAdmin",
 		                           &Hook_AShooterPlayerController_ClientNotifyAdmin,
 		                           &AShooterPlayerController_ClientNotifyAdmin_original);
+
+		ArkApi::GetHooks().SetHook("AShooterGameMode.Logout",
+								   &Hook_AShooterGameMode_Logout,
+								   &AShooterGameMode_Logout_original);
+
 	}
 }
diff --git a/Permissions/Permissions/Private/Main.cpp b/Permissions/Permissions/Private/Main.cpp
index 67e441dd..2cc05734 100644
--- a/Permissions/Permissions/Private/Main.cpp
+++ b/Permissions/Permissions/Private/Main.cpp
@@ -460,6 +460,8 @@ namespace Permissions
 			database = std::make_unique<SqlLite>(config.value("DbPathOverride", ""));
 		}
 
+		use_cache = config.value("UseCache", true);
+
 		Hooks::Init();
 
 		ArkApi::GetCommands().AddConsoleCommand("Permissions.Add", &AddPlayerToGroupCmd);
diff --git a/Permissions/Permissions/Private/Main.h b/Permissions/Permissions/Private/Main.h
index 7be38a40..df277f33 100644
--- a/Permissions/Permissions/Private/Main.h
+++ b/Permissions/Permissions/Private/Main.h
@@ -1,10 +1,13 @@
 #pragma once
 
 #include "Database/IDatabase.h"
+#include "Cache/Cache.h"
 
 namespace Permissions
 {
 	inline std::unique_ptr<IDatabase> database;
 
 	std::string GetDbPath();
+
+	inline bool use_cache = true;
 }
diff --git a/Permissions/Permissions/Private/Permissions.cpp b/Permissions/Permissions/Private/Permissions.cpp
index 5d62dada..bcd19e16 100644
--- a/Permissions/Permissions/Private/Permissions.cpp
+++ b/Permissions/Permissions/Private/Permissions.cpp
@@ -30,7 +30,7 @@ namespace Permissions
 		return database->GetGroupMembers(group);
 	}
 
-	bool IsPlayerInGroup(uint64 steam_id, const FString& group)
+	bool _IsPlayerInGroup(uint64 steam_id, const FString& group)
 	{
 		TArray<FString> groups = GetPlayerGroups(steam_id);
 
@@ -43,23 +43,50 @@ namespace Permissions
 		return false;
 	}
 
+	bool IsPlayerInGroup(uint64 steam_id, const FString& group)
+	{
+		if (use_cache)
+		{
+			const int cache_player_in_group = Cache::IsPlayerInGroup(steam_id, group);
+
+			if (cache_player_in_group == -1)
+				Cache::AddPlayerToGroup(steam_id, group, _IsPlayerInGroup(steam_id, group));
+
+			return cache_player_in_group == 1;
+		}
+
+		return _IsPlayerInGroup(steam_id, group);
+	}
+
 	std::optional<std::string> AddPlayerToGroup(uint64 steam_id, const FString& group)
 	{
+		if(use_cache)
+			Cache::RemovePlayer(steam_id);
+
 		return database->AddPlayerToGroup(steam_id, group);
 	}
 
 	std::optional<std::string> RemovePlayerFromGroup(uint64 steam_id, const FString& group)
 	{
+		if (use_cache)
+			Cache::RemovePlayer(steam_id);
+
 		return database->RemovePlayerFromGroup(steam_id, group);
 	}
 
 	std::optional<std::string> AddGroup(const FString& group)
 	{
+		if (use_cache)
+			Cache::ClearAll();
+
 		return database->AddGroup(group);
 	}
 
 	std::optional<std::string> RemoveGroup(const FString& group)
 	{
+		if (use_cache)
+			Cache::ClearAll();
+
 		return database->RemoveGroup(group);
 	}
 
@@ -79,7 +106,7 @@ namespace Permissions
 		return false;
 	}
 
-	bool IsPlayerHasPermission(uint64 steam_id, const FString& permission)
+	bool _IsPlayerHasPermission(uint64 steam_id, const FString& permission)
 	{
 		TArray<FString> groups = GetPlayerGroups(steam_id);
 
@@ -92,13 +119,34 @@ namespace Permissions
 		return false;
 	}
 
+	bool IsPlayerHasPermission(uint64 steam_id, const FString& permission)
+	{
+		if (use_cache)
+		{
+			const int cache_player_in_group = Cache::IsPlayerHasPermission(steam_id, permission);
+
+			if (cache_player_in_group == -1)
+				Cache::AddPlayerToPermission(steam_id, permission, _IsPlayerHasPermission(steam_id, permission));
+
+			return cache_player_in_group == 1;
+		}
+
+		return _IsPlayerHasPermission(steam_id, permission);
+	}
+
 	std::optional<std::string> GroupGrantPermission(const FString& group, const FString& permission)
 	{
+		if (use_cache)
+			Cache::ClearAll();
+
 		return database->GroupGrantPermission(group, permission);
 	}
 
 	std::optional<std::string> GroupRevokePermission(const FString& group, const FString& permission)
 	{
+		if (use_cache)
+			Cache::ClearAll();
+
 		return database->GroupRevokePermission(group, permission);
 	}
 }