Full list of all 120 TEVI achievements.
The base game contains 100 achievements, and there are 2 DLC packs containing 20 achievements.
Defeat the corresponding boss for the first time
Clear any Boss Rush
Clear Master Boss Rush
Clear Master Boss Rush on Infernal BBQ difficulty
Complete parkour stage 20
Receive 10 Nice Times in parkour
Receive 20 Nice Times in parkour
Defeat any boss at difficulty level Infernal BBQ+5
Hit the training dummy for 40 seconds and attain DPS of above 800 in training room
Defeat 500 mustache mushrooms in the mushroom... room
Stay in the mushroom room for 80 seconds and attain KO per second of above 10