Complete freshman puzzle pack
Complete sophomore puzzle pack
Complete senior puzzle pack
Complete Archimedes Puzzle Pack
Complete Bonus Puzzle Pack
Complete Einstein Puzzle Pack
Beat the professor once
Beat the professor five times in a row
Beat the professor twice in a row
Complete 50 puzzles
Complete 100 puzzles
Play a daily challenge puzzle
Use the hint button in a game
Play two daily challenges in a row
Play seven daily challenges in a row
Play 30 daily challenges in a row