If you haven't checked out Crytek's latest FPS goodness, Crysis Warhead, then cancel your plans for this coming weekend and enjoy Crysis Wars for free. EA and Crytek will be hosting a free trial of the title, which comes with the Warhead expansion available now, starting this October 10 through 12. According to the official site, Crysis Wars include:

• Three diverse multiplayer modes including InstantAction, TeamInstantAction and PowerStruggle
• 21 maps ranging from large battlefields to smaller, more intimate battlegrounds with a diverse array of settings ranging from beaches to graveyards
• All weapons and vehicles released within the Crysis Universe

You can register online at MyCrysis.com. Trial activiation keys will be sent via email after registration.