Clever
Complete 5 puzzles in a row without using hints and undos
Git Gud
Retry the same level 10 times
ZHED Apprentice
Complete the Tutorial levels
Stubborn
Retry the same level 5 times
Help!
Use 5 hints
Having second thoughts?
Use 5 undos
Focused
Complete 20 puzzles in a row without using hints and undos
ZHED Adept
Complete 70 levels
ZHED Master
Complete the game
Autocomplete
Complete a puzzle using only hints
Are you still playing?
Use 30 hints
ZHED Novice
Complete the first 25 levels
Again? Really?
Use 15 undos
ZHED Master Supreme
Complete the game without using hints
Super-Human
Complete 55 puzzles in a row without using hints and undos
Godlike
Complete 85 puzzles in a row without using hints and undos
ZHED Intermediate
Complete 50 levels
Hardcore Puzzle Master
Complete the game without using hints and undos
Lazy Bastard!
Use 15 hints
Do-over Master
Use 30 undos