5x5 Master
10Beat all 5x5 puzzles on all skill modes.
Unlocked: 17 Aug 2013 03:55:04
KenKen Sage
10Beat all 9x9 Unsigned Puzzles
Unlocked: 14 Aug 2013 07:22:56
4x4 Master
10Beat all 4x4 puzzles on all skill modes.
Unlocked: 14 Aug 2013 06:44:29
Beat a single Challenge Puzzle.
Unlocked: 13 Jun 2013 07:22:33
Beat single puzzle of grid size 8x8 on any difficulty.
Unlocked: 13 Jun 2013 07:18:55
Beat single puzzle of grid size 8x8 on any difficulty.
Unlocked: 13 Jun 2013 07:10:17
Beat single puzzle of grid size 7x7 on any difficulty.
Unlocked: 13 Jun 2013 07:01:35
Beat single puzzle of any grid size on Expert.
Unlocked: 13 Jun 2013 06:56:44
Beat single puzzle of any grid size on Hard.
Unlocked: 13 Jun 2013 06:54:48
3x3 Master
10Beat all 3x3 puzzles on all skill modes.
Unlocked: 13 Jun 2013 05:46:24
Beat single puzzle of any grid size on Unsigned.
Unlocked: 12 Jun 2013 07:10:02
Use the calculator until you overflow it to display "Infinity".
Unlocked: 11 Jun 2013 08:58:48
9x9 Master
15Beat all 9x9 puzzles on all skill modes.
8x8 Master
15Beat all 8x8 puzzles on all skill modes.
7x7 Master
15Beat all 7x7 puzzles on all skill modes.
6x6 Master
10Beat all 6x6 puzzles on all skill modes.
Beat all 9x9 Expert Puzzles
Beat every puzzle available in the game (Except for Challenge Puzzles).
KenKen Pro
20Earn all other achievements in the game.