This is a third person shooting game. You must enter the subway, get ready for your team, and fight for the sewer! Pick up your gun and shoot the enemy. When you kill enough enemies, you have a chance to enter the ranking list. Take up weapons, improve your own strength and eliminate more opponents.

WASD controls the action of the character, the space controls jumping, C controls squatting, RMB controls aiming, G controls throwing grenades, 1, 2, 3, 4-controls switching weapons, TAB opens the scoring table, and L exits the mouse lock mode.