Here is the full list of all 57 It came from space, and ate our brains achievements.
Shoot 95471 times.
Finish block scrapyard on any difficulty.
Finish block suburbs on any difficulty.
Finish block industrial on any difficulty.
Finish block navy on any difficulty.
Finish block planet on any difficulty.
Finish block crash site on any difficulty.
Use the searchlights 5 times.
Place 5 turrets.
Finish block countryside on any difficulty.
Kill 10000 aliens.
Finish block highway on any difficulty.
Finish block city on any difficulty.
Finish block hospital on any difficulty.
Complete all Campaign levels on Easy
Complete all Campaign levels on Medium
Complete Cave (Campaign) on any difficulty
Buy all rocketlauncher upgrades.
Reach 50x multiplier.
Complete Riverside (Campaign) on any difficulty
Buy all plasmagun upgrades.
Complete Sewers (Campaign) on any difficulty
Buy all laser upgrades.
Pick up 100 upgrades dropped by the S.W.A.T. Drone.
Complete Alleys (Campaign) on any difficulty
Buy all machinegun upgrades.
Kill 1338 crawlers.
Buy all shotgun upgrades.
Complete Clinic (Campaign) on any difficulty
Kill 1000 aliens.
Complete Rooftops (Campaign) on any difficulty
Die for the first time.
Buy all pistol upgrades.
Reach 25x multiplier.
Kill 7 aliens at once.
Died 123 times.
Finish the first six levels on easy.
Finish the first six levels on medium.
Finish the first six levels on hard.
Finish the first six levels on insane.
Reach 75x multiplier.
Kill 100000 aliens.
Kill an enemy close to a player with one health.
Staying alive while other players are waiting to respawn.
Make 25.000.000 amount of Coins in total.
Finish 1 multiplayer game on insane without dying.
Finish 3 multiplayer games on insane without dying.
Finish 6 multiplayer games on insane without dying.
Finish with the highest score in a multiplayer game.
Finish with the highest score in a multiplayer game 10 times.
Finish block launchpad on any difficulty.
Finish block ship on any difficulty.
Revive 5 people using medkits.
Use the shield 5 times.
Place 15 mines.
Complete all Campaign levels on Hard
Complete all Campaign levels on Insane