Here is the full list of all 14 Meepie achievements.
The base game contains 0 achievements, and there is 1 DLC pack containing 14 achievements.
Help Meepie get through the first level
Clear 10 levels in the base game
Clear 20 levels in the base game
Clear all 30 levels in the base game
Complete all 10 'Challenger' levels
Publish your first custom level
Clear someone's workshop level
Clear 10 levels downloaded from the workshop
Hurt Meepie in every possible way
Survive a level after explosion of at least 30 bombs
Smack Meepie with a hammer for no reason
Prevent a bomb from exploding
Clear 10 levels without using quick saves
Clear 10 levels without using tips