Games32 writes: "Although it could be perceived as a new game based on the Crysis franchise, the developers Crytek insist Crysis Warhead is a standalone expansion of the first game. Developed by newly formed Crytek Budapest studio, Warhead extends the gameplay of the original game, while not going any further with the main story.
British SAS Sergeant Sykes aka Psycho is part of another suit team found on the opposite part of our well known tropical island where you previously played with US Delta Force guy Nomad. Although the two elite agents know each other, and we're lead to believe from a few story moments they are good friends, they never meet face to face. Mostly because Nomad is busy somewhere else at the moment and things are happening at the same moment in time as the original Crysis."