Here is the full list of all 27 FoolHut Pack - there are 3 games in 1 achievements.
Blast through PuPaiPo's first stage.
Rock through PuPaiPo's second stage.
Slide through PuPaiPo's third stage.
Swim through PuPaiPo's fourth stage.
Cross through PuPaiPo's fifth stage.
Power through PuPaiPo's sixth stage.
Beat PuPaiPo Space 3D DX
Complete Red Handsome Loop's tutorial.
Defeat Red Handsome Loop's first boss.
Defeat Red Handsome Loop's second boss.
Defeat Red Handsome Loop's third boss.
Defeat Red Handsome Loop's fourth boss.
Beat Red Handsome Loop.
Score 2000 points in Red Handsome Loop's endless mode.
You died... but a Picomancer revived you!
Complete 10 Picomancer levels.
Step on 100 Picomancer tiles.
...but a Picomancer revived you 10 times!
Complete all Picomancer levels.
Defeat the Picomancer in any level.
Complete a procedural Picomancer level.
Unlock YDPPPRHL.
Take down 500 demons in one game.
Reach the maximum amount of upgrades
Defeat the final demon.
Check the achievements menu.
Change palettes in the settings menu.