Complex sentence: Grand Theft Auto IV, made by Rockstar games, also made gameplay near impossible if it detected a pirated version: it then starts the drunk cam, which gets worse and worse as the player moves, making game play near impossible.
Split into simpler sentences: Grand Theft Auto IV, made by Rockstar games, also made gameplay near impossible if it detected a pirated version. Once it detects a pirate copy, it will start the drunk cam, which get worse and worse as the player moves, making game play near impossible.