It came from space, and ate our brains achievements

Finish block launchpad on any difficulty.

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

Finish block scrapyard on any difficulty.

Kill 10000 aliens.

Finish block suburbs on any difficulty.

Finish block industrial on any difficulty.

Reach 75x multiplier.

Finish block crash site on any difficulty.

Finish block countryside on any difficulty.

Buy all rocketlauncher upgrades.

Finish a multiplayer level and win it.