Complete the tutorial
Finish the first level
Finish the third level
Finish the 7th level
Finish the story mode
Buy every life upgrade in the bar
Buy every armor upgrade in the bar
Buy every speed upgrade in the bar
Kill a tank
Kill multiple enemies with a single attack
Kill an alien with an explosive barrel
Kill an alien with the blade traps
Kill 100 aliens
Kill 1000 aliens
Kill every alien type there is
Kill an alien while it's on fire
Kill an alien while while it's being electrocuted
Buy the rifle
Buy the shotgun
Unlock every weapon
Buy every revolver upgrade
Buy every rifle upgrade
Buy every shotgun upgrade
Unlock every weapon upgrade
Buy every revolver damage upgrade in the bar
Buy every rifle damage upgrade in the bar
Buy every shotgun damage upgrade in the bar
Use the second life powerup
Use the shockwave powerup
Try a new weapon skin
Change the skin of every weapon you have
Unlock every revolver skins
Unlock every rifle skins
Unlock every shotgun skins
Get a score of 1 000 000 € in a single run
Make over 10 000 000 €
Play darts near the bar in the hub
Unlock every other achievement in the game
Make over 5 000 000 €
Make over 20 000 000 €
Kill 500 aliens
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