A alien invasion is using the most sophisticated weapon of the moment, throwing sheep with a gun! In Sheep vs Aliens 2 the cattle is at risk, the Aliens are capture them back to their factory. Take the lead and eliminate invaders by shooting them. The game is set in space and is needed take into account the gravity and pull of the planets when you shoot. Also use collisions with asteroids and other objects to destroy all the aliens on each of the 30 levels.