Games like Bolsheviktion 3D

Russia, 1918. Bolsheviks are in power. Imprisoned on suspicion of being a spy, you plan to bust out and save the Tsar and his family from certain death. BOLSHEVIKTION 3D's an old-school FPS: an alt-history Wolf3D. Acquire new weapons, collect royal treasure and blast your way to Ipatiev House.