Here is the full list of all 33 ULTIMATE HARDBASS DEFENCE achievements.
Make a purchase in the store
Purchase the dildo gun
Kill mutant
Play first map
Kill zombie
Dance Hardbass
Start the game
Help another player
Purchase the minigun
They killed Ksenia
Kill 500 enemies
Kill 30 Arachnids while it jump
Defeat all the enemies
Defeat the devil
Kill 200 enemies with headshots
Drop money to another player
Play second map
Dance hardbass 10 minutes
Make the boss destroy all garages
Kill 50 enemis while squat
Take squat by 1 minute
Kill 50 enemies
Kill 100 enemies
Kill 200 enemies
Kill 300 enemies
Take 1000 money from another players
Kill arachnid
Kill reptile
Kill 50 zombies
Collect 10 beer bottles
Collect 30 beer bottles
Play third map
Collect 50 beer bottles