Go on, don't be afraid... it won't bite !
Solve 25 puzzles
Solve 10 puzzles
Solve 50 puzzles
Solve 75 puzzles
Solve 250 puzzles
Solve 100 puzzles
Solve 400 puzzles
Solve 500 puzzles
Solve 750 puzzles
Solve all puzzles
Play for 6 hours total
Play for 24 hours total
Play for 12 hours total
Never touch a hint in the game and solve 100 puzzles. Note: if you ever got a hint since playing, this achievement can't be reached
Never touch a hint in the game and solve 500 puzzles. Note: if you ever got a hint since playing, this achievement can't be reached
Solve one level on each season
Never touch a hint in the game and solve all puzzles. Note: if you ever got a hint since playing, this achievement can't be reached