Find the grenades. Blowing up stuff is fun!
Find the double jump
Find the flamethrower and you will be on fire!
Find the run upgrade if you have the need for speed
Find the machine gun. Machine guns are not toys, but they are fun!
Find the plastic explosives. Don't try this at home!
Find all the shield upgrades
Find all the energy upgrades
Finish the game with ZERO deaths, Zero transports. This achivement is meant for Chuck Norris only.
Find a way to actually die and see the Game Over screen in the game.
Upgrade your rifle to 40 of strength
Upgrade your grenades to 40 of strength
Upgrade your flamethrower to 40 of strength
Upgrade your energy generator to 40 of strength
Finish the game on any difficulty level.
Finish the game on MSX difficulty.
Finish the game without spending any energy cells, with zero upgrades on your weapons.
Save 4000 energy cells in one game.
Kill 200 zombies in one game.
Kill 50 plants in one game.
Destroy 20 big bipedal robots in one game.