Full list of all 44 Relic Hunters Zero achievements.
The base game contains 41 achievements, and there is 1 DLC pack containing 3 achievements.
Defeat the Ducan Commander
Unlock Biu
Defeat the Ducan Commander with Pinkyy without using checkpoints
Complete the first Relic in Adventure Mode
Get a 10-Kill Combo
Dig your first Relic piece.
Complete all Relics in Adventure Mode
Unlock all items, characters, checkpoints and relics in Adventure Mode
Unlock all 6 Hunters
Unlock Raff
Defeat the Ducan Commander with Raff without using checkpoints
Unlock Punny
Defeat the Ducan Commander with Punny without using checkpoints
Defeat the Ducan Commander with Jimmy without using checkpoints nor picking up any weapons
Defeat the Ducan Commander with Biu without using checkpoints nor picking up any weapons
Unlock Ace
Defeat the Ducan Commander with Ace
Kill the Tutorial Turtle. You maniac.
Kill your friend "accidentally".
Defeat the Ducan Commander with a friend.
Defeat the Ducan Commander with a friend without using relics and checkpoints.
Loop for the first time in Endless Mode
Get to Loop 2 with Jimmy in Endless Mode
Get to Loop 2 with Pinkyy in Endless Mode
Get to Loop 2 with Raff in Endless Mode
Get to Loop 2 with Biu in Endless Mode
Get to Loop 2 with Punny in Endless Mode
Get to Loop 2 with Ace in Endless Mode
Upgrade a weapon to +3 in Endless Mode
Upgrade a weapon to +9 in Endless Mode
Hack 3 Challenges on the same run in Endless Mode
Have two Relic weapons equipped in Endless Mode
Have a total of 50 loops in Endless Mode
Upgrade your gun 360 times in Endless Mode
Perform a total of 200 hacks in Endless Mode
Loop in Endless Mode without purchasing anything
Complete Loop 2 in Endless Mode
Have more than 3 Relics in Endless Mode
Unlock Red
Get to Loop 2 with Red in Endless Mode
Free Kamis from their cages, 20 times
Enter Spookylands in Endless Mode
Complete Spookylands in Endless Mode
Eat 20 Halloween candies