With 24 new levels and many new upgrades, Defence of The Portal 2 is a great sequel to the original. The purpose of the game is to defend the portal from the approaching waves of the undead. Earn money for defeating zombies, which is used to purchase buildings, cannons and magic which can be used on the level to help keep the zombies from the portal. Earn experience points after each level, which can be used for upgrades - Stats, Guns, Buildings and Abilities.
A/S: Move | W: Jump | Mouse: Shoot | Space: Buildings/Cannons/Magic