Here is the full list of all 28 Heroes of the Monkey Tavern achievements.
Unlock all achievements
Reach the level 5
Cure poison 10 times
Shoot 100 arrows
Bash 10 enemies with a shield
Collect 50 items
Bring back to life someone of your party
Cast 100 spells
Walk 1000 tiles
Find 10 secrets
Block 20 hits
Defeat 10 snakes
Heal 50 times
Defeat 10 enemies
Die once
Defeat your first enemy
Reach the level 10
Defeat the werewolf
Burn 50 enemies
Defeat 100 enemies
Find Snaga
Finish the game in easy mode
Finish the game in normal mode
Finish the game in hard mode
Freeze 20 enemies
Poison 20 enemies
Inflict 100 damage in one hit
Finish the game with a monk in your party