ExZeus2, a third-person robot 3D shooter, is on sale for $2.99. This game was just released earlier this week for $5.99. In the game you control a customizable robot on the ground or flying in the air as you fight enemies and earn experience points. The developer currently has both of their games on sale thru January 1st. Check out their other game, INDY500 Arcade Racing, which is down from $3.99 to $1.99.