http://en.wikipedia.org/wiki/Crysis
I'm not sure if those are the names of the 2 sequels, but I had to laugh, Halo Wars (I think it's called) - Crysis Wars and World in Conflict - World in Crysis, both halo wars and WiConflict are RTS's....
Crysis was announced to be the first game in a trilogy by Crytek.[6] It is expected that the sequel will continue where the first game ended. In addition to seeking a United States trademark on the name Crysis,[36] Crytek is seeking to trademark the names Crysis Wars[37] and World in Crysis.[38]
I'm not sure if those are the names of the 2 sequels, but I had to laugh, Halo Wars (I think it's called) - Crysis Wars and World in Conflict - World in Crysis, both halo wars and WiConflict are RTS's....