In the last couple of years cracking teams succeeded to leak several games prior to their official launch days.
The latest of those games is no other than the most anticipated game of the year: Crysis itself.
The game was cracked and released by Razor1911, the same cracking team who modified Halo 2 to run under windows XP. A few days ago another team (Fairlight) distributed the bonus disc which comes with the game, which indicates that they have had the game for quite a while but Razor1911 beat them to it.
It might take a while for the cracked game to be available through p2p.