The main aim of the game is to fight your way through the level, battling increasingly tougher enemies in order to reach and defeat the final boss at the end. (ps3attitude.com)
The overall aim of the game has changed a bit as well. (justpushstart.com)
The whole aim of the game is to «Kill with Skill» awarding players for the most insane kills they can perform such as booting people into electric terminals, using a gun that fires two grenades attached to each other by a wire and more. (wolfsgamingblog.com)