International terrorism threatens 10 million people London as the terrorists have hired a Russian Ilya Rakov to operate a short-range nuclear missile aimed to London, and one of two heroes chosen by player has to stop the madness and the certain destruction of one of the European capitals.
Players can play as weapons expert U.S. Marines Captain Steve “Fletch” Fletcher who is trying to save his sister, a fellow officer of U.S. Marines and a target or the terrorist, and to disarm a short-range nuclear missile possessed by the terrorists, or as Austin Hawke the world's finest mercenary, who has been recruited by Aleksandr Rakov, terrorist Ilya Rakov's father, to help Captain Fletcher.
The Mark allows switching of characters between chapters, so you are able to try the distinct mission objectives and play styles. The two solo campaigns feature 18 levels in 6 chapters, with switching between chapters you can play it 32 different ways. Both characters possess unique special abilities and are valuable in different situations, it's your call how you want to play the game.
You can play The Mark in three different multiplayer modes including Cooperative and Team Deathmatch modes in LAN and WAN.