Dungeon of Revenge v0.04

Changes:

• Changed architecture of the settings;
• Added 3D models: ladder, shovel, stone sign;
• Added smooth zoom ( camera );
• Added localizaton ( EN, RU );
• Added developer console ( Press [`] in the game );
• Added "multiplayer test" map ( Press [M] in the main menu );
• Updated "test" map ( Press [T] in the main menu );