It came from space, and ate our brains achievements

Pick up 50 weapon upgrades dropped by the S.W.A.T. Drone.

Finish block launchpad on any difficulty.

Finish block suburbs on any difficulty.

Finish block scrapyard on any difficulty.

Kill 10000 aliens.

Reach 75x multiplier.

Finish block industrial on any difficulty.

Buy all rocketlauncher upgrades.

Finish block crash site on any difficulty.

Finish a multiplayer level and win it.

Finish block navy on any difficulty.