Here is the full list of all 16 Mess Quest achievements.
Create 500 stains
100% the level
Save up 10000 coins
Purchase all the mop upgrades
Purchase all the bin upgrades
Purchase all the bucket upgrades
Mop up 1000 stains
Dispose of 100 pieces of trash
Put 50 items back where they belong
Reach level 10
100% the game