Here is the full list of all 14 Tetropunk achievements.
Get a score of 500 in One Minute Mode
Get a score of 1000 in One Minute Mode
Get a score of 2500 in One Minute Mode
Take level 10
Get a score of 50000 in Arcade Mode
Get a score of 100000 in Arcade Mode
Destroy 50 lines in one match
Destroy 100 lines in one match
Destroy 200 lines in one match!!!
Get a score of 10000 in Arcade Mode
Make a 4-line explosion
Make a 3-line explosion
Make a 2-line explosion
Make a 1-line explosion