The earth has changed.. It's been taken by aliens from outerspace. You are one of the few humans still alive, and you have to survive! Use your weapons and your wits to survive in this cruel world.

Use the arrow keys to move the character.

Press "S" to jump, press "S" twice to double jump.

Press "A" to attack.

Press "Spacebar" to open doors.

Press "Q" to switch weapons.