Project D.I.C.E.

A rogue experiment decides to try and start causing chaos and somehow, all players became their multiplayer classes and start to fight this experiment all over the world, yet they all will prove their worth as virtual warriors who can fight when not in competition with each other virtually, no matter if they're different nationalities or of different genders and such, they are all members of a unified force, tasked to stop a failed test that has begun to revolt.