This is a 2 teams based mod : blue and red. The objective for each team is to score a goal by throwing the ball that is located in the middle of the map to the ennemy base.
You spawn with the gravgun, crowbar/stunstick, pistol, smg1 and 2 grenades. Pick up weapons and ammunitions that are located in the map to be stronger. Pick up health kits to cure yourself and armor kits to strengthen your protection suit.