Full list of all 55 XXZ: XXL achievements.
The base game contains 50 achievements, and there are 2 DLC packs containing 5 achievements.
Finish Level 50
Finish Level 49
Finish Level 48
Finish Level 47
Finish Level 46
Finish Level 45
Finish Level 44
Finish Level 43
Finish Level 42
Finish Level 41
Finish Level 40
Finish Level 39
Finish Level 38
Finish Level 37
Finish Level 36
Finish Level 35
Finish Level 34
Finish Level 33
Finish Level 32
Finish Level 31
Finish Level 30
Finish Level 29
Finish Level 28
Finish Level 27
Finish Level 26
Finish Level 25
Finish Level 24
Finish Level 23
Finish Level 22
Finish Level 21
Finish Level 20
Finish Level 19
Finish Level 18
Finish Level 17
Finish Level 16
Finish Level 15
Finish Level 14
Finish Level 13
Finish Level 12
Finish Level 11
Finish Level 10
Finish Level 9
Finish Level 8
Finish Level 7
Finish Level 6
Finish Level 5
Finish Level 4
Finish Level 3
Finish Level 2
Finish Level 1
Complete the game with John
Complete the game with Christina
Complete the game with Vladimir
Complete the game with Catherine
Finish XXZ: Squad