Crysis is a first person shooter computer game involving science fiction. In the game, humans must survive an invasion by aliens. This is the first game to use all of the features of DirectX 10. It's a free-to-explore game. This game takes place in 2020 on an island south of China that is hit by a meteor. Both the North Korean and American army gets involved, but the North Korean Army gets there first. Both armies later find out that the meteor is an alien ship. At that time an alien invasion threatens the whole world. Meanwhile, the American forces attack the island to take control from the Koreans.