Reach level 5
Reach level 25
Reach level 10
Reach level 50
Beat a level in 20 seconds or less
Use all eight operators in one game
Beat a level in 10 seconds or less
Solve for all ten target values
Get a streak of 5 perfect levels in a row
Complete a game in all four difficulties (Very Easy, Easy, Medium, Hard)
Complete a game in all four game modes (classic, classic puzzle, gutsy, gutsy puzzle)
Use the + operator 500 times
Use the - operator 500 times
Use the / operator 500 times
Use the x operator 500 times
Earn 1000 points total
Earn 10000 points total
Earn 1000000 points total
Earn 10000000 points total