Join in a fierce multiplayer fps io game. War Brokers Io by Trebuchet Entertainment. Drive powerful military vehicles and test out there war capability. Create your own war veteran and take on the enemy. Complete each mission to win a victory for your team. Use exceptional tank, helicopter military hardware to ensure a successful excursion. More fps games: Bullet Force Multiplayer, Masked Forces Crazy Mode, Mafia Trick & Blood 2. What is a Video Game.