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