Here is the full list of all 35 BoyAndLabyrinth achievements.
Collect all the equipment
Spirit help
70 coin save
No Save Coin
Wolf Skill All Evade
Undead Skill All Evade
Slime Skill All Evade
Golem Skill All Evade
No Damage In Trap Mode
Use 300 Marks In Survival Mode
when escape maze The distance from the rock is more than 7 tile
Clear Wolf below level 3
Clear Undead below level 5
Clear Slime below level 7
Clear Golem below level 9
Clear Wolf Above level 6
Clear Undead Above level 8
Clear Slime Above level 10
Clear Golem Above level 12
Stage 1 Clear
Stage 2 Clear
Stage 3 Clear
Stage 4 Clear
Stage 5 Clear
Stage 6 Clear
Stage 7 Clear