Here is the full list of all 30 Platfinity achievements.
Complete Ghost in the City
Watch All of the Credits
Join the Retrolutionary.com Mailing List
Check Out Ian's Twitter Feed
Export Your Game to a Stand-Alone .exe
Complete Purgatory
Finish 8 Bit Love Affair Part One in Less Than 5 Deaths
Finish a Game Without Idling (except Tutorial)
Create a New, Empty Game
Play a Built-In Demo Game (except Tutorial)
Play Through the Tutorial
Complete Proving Grounds
Finish Proving Grounds in Less Than 2:45
Finish Proving Grounds in Less Than 12 Deaths
Finish Proving Grounds in Less Than 7 Deaths
Complete Purgatory, Again
Finish Purgatory in Less Than 2:00
Finish Purgatory in Less Than 5 Deaths
Finish Purgatory Without Dying
Complete 8 Bit Love Affair
Touch All the letters in 8 Bit Love Affair
Finish 8 Bit Love Affair Part One in Less Than 1:00
Finish 8 Bit Love Affair Part Two in Less Than 1:45
Finish 8 Bit Love Affair Part Two in Less Than 5 Deaths
Finish 8 Bit Love Affair Part One Without Dying
Finish 8 Bit Love Affair Part Two Without Dying
Complete a Demo Game Without Dying (except Tutorial)
Die Exactly 8 times But Finish the Game (except Tutorial)
Import a Graphic File From Your Computer
Read All of the Help Texts