It came from space, and ate our brains achievements

25.33%

Because 1337 is too mainstream

Kill 1338 crawlers.

29.33%

Ignored the signals

Finish block city on any difficulty.

30.67%

Last man standing

Staying alive while other players are waiting to respawn.

33.33%

Pistolero

Buy all pistol upgrades.

36.00%

Rain of Bullets

Buy all machinegun upgrades.

42.67%

Wipeout

Kill 1000 aliens.

49.33%

No-brainer

Reach 25x multiplier.

50.67%

Got your back

Kill an enemy close to a player with one health.

53.33%

Medic!

Finish block hospital on any difficulty.

93.33%

First Death

Die for the first time.

0.00%

Brainless

0.00%

It Came From Earth...