Complete the "15 x 15 Marathon" challenge in less than 10 minutes.
Complete the first mosaic.
Solve five 10 x 10 puzzles using no X's, no marks and no hints. (Endless mode)
Solve five 5 x 5 puzzles using no X's, no marks and no hints. (Endless mode)
Complete Introduction (Expert part).
Complete Introduction (Beginner part).
Earn 150 awards.
Solve all 10 x 10 puzzles.
Solve all 5 x 5 puzzles.
Solve your first puzzle.
Complete the "5 - 7 - 10 Triathlon" challenge in less than 3 minutes.
Complete the "5 x 5 Sprint" challenge in less than 1 minute.
Complete the "7 x 7 Sprint" challenge in less than 2 minutes.
Earn 300 awards.
Earn 450 awards.
Earn 600 awards.
Earn all awards in Mosaics mode.
Complete the second mosaic.
Complete the third mosaic.
Solve all 15 x 15 puzzles.
Solve all 20 x 20 puzzles.
Solve all 25 x 25 puzzles.
Solve all 30 x 30 puzzles.
Solve all 40 x 40 puzzles.
Solve a 40 x 40 puzzle without graying numbers.
Unlock all puzzles.
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