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
12 Aug 2009 - PlayStation 3
12 Aug 2009 - Xbox 360
12 Aug 2009 - Wii
Alters the enemy placement in the game by adding enemies to even more 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.