Cold Light on 20 March 2012
Only unannounced:
Star Wars: Knights of the Old Republic III (by BioWare)
Star Wars: Battlefront III (RIP Pandemic Studios)
Colony Wars IV (by former Psygnosis - SCE Studio Liverpool)
Dino Crisis 4 (with modern Resident Evil engine and gameplay style)
Half-Life 3 (on new engine or "Source 2.0")
Crysis 3 (just continue this awesome series, Crytek)
