23 Oct 2008
23 Oct 2008 - PlayStation 3
23 Oct 2008 - Xbox 360
23 Oct 2008 - Wii
23 Oct 2008 - PlayStation 3
23 Oct 2008 - Xbox 360
23 Oct 2008 - Wii
22 Jul 2009 - PlayStation 3
22 Jul 2009 - Xbox 360
22 Jul 2009 - Wii
Alters the enemy placement in the game by adding enemies to new places. It also alters the placement of some of the special environment gimmicks like portals or rising/lowering blocks. The enemies and bosses themselves won't be affected.