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 scrapyard on any difficulty.

Kill 10000 aliens.

Finish block suburbs on any difficulty.

Finish block industrial on any difficulty.

Reach 75x multiplier.

Finish block navy on any difficulty.

Finish a multiplayer level and win it.

Finish block countryside on any difficulty.

Finish block crash site on any difficulty.