Get the aliens-in-a-jar into the hole then go through it as quickly as possible before the aliens-no

Storm through space in your interstellar craft and blast away at those aliens with your lasers.

'Pick your character - either Megaman Zero or Bass. Run through levels, shoot, use swords, and kill m'

Shoot down zombie squirrels using your pistol akimbo pistols and avoid shotgun blasts.

'Blast through the trenches, shoot down the enemy Nazi troops and get off Normandy Beach.'