Qoute from Mocib (inCrysis.com):

Got some real info on how many games Crytek has in development right now besides Crysis 2.

Here's a photo of Crytek's Carl Jones delivering the keynote speech at India Game Developer Summit 2010:




* 3 AAA games released, 5 in development
So, that's Crysis 2 plus 4 other games.
http://www.incrysis.com/forums/viewtopic.php?id=30167