Full list of all 15 Mushroom Quest achievements worth 2,000 gamerscore. It takes around 0.5-1 hour to unlock all of the achievements in the base game.
The base game contains 10 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 5 achievements worth 1,000 Gamerscore.
Start the game
Fill the pit with a bex
Press the Red Button
Press the Blue Button
Press the Green Button
Complete 6 levels
Complete 12 levels
Complete 18 levels
Complete 24 levels
Complete 30 levels
Lose once
Collect 1 crystal
Collect 5 crystals
Collect 10 crystals
Collect 20 crystals