Here is the full list of all 12 Squirmish Playtest achievements.
You just made it through the easiest part of the game. Whaddayawanna prize? Ok, here you go.
You defeated all the ne'er-do'wells in the Rogue's Gallery!
You beat Newton, as one does.
You have made poor wee Ducky cry sad little ducky tears. I hope you feel really good about yourself.
Yippupp hardly knew what hit him (even before he played you).
You showed Tutufly that segmented eyes don't see all.
You have left Picklepuss to stew in his tart and salty juices.
Dig what you done, Dad! You sent that Beatknock square on the road in a night bus straight to Nowheresville.
You may as well dip old Crustacea in tartar sauce with a squeeze of lemon.
You sent old Manny packing back to the Catskills! He left no forwarding address, only your name on his tab.
Greyface's brain has rolled away down a hill.
General Mayhem is likely to be demoted to Private after what you did to him.