Forgot password? Sign up

Sudoku

Sudoku is the classic Japanese number puzzle. In a 9×9 grid, you must place the numbers 1–9 in each row, column, and 3×3 square.

Today
78
163
6579
53
4817
64
6194
3781
Argh!
Jun 5, 2021
57
416
4
78
6
853127
51
5386
16423
Easy
May 2, 2026
416
84
5
57268
3
7
83
71538
4126
Easy

Kakuro

Kakuro is a popular logic puzzle made with a patterned grid of empty squares. Each empty square must be filled with a number between 1 and 9. Numbers can only be used once in each horizontal or vertical series, and they must add up to the sum shown above each column or to the left of each row. Each puzzle has only one unique solution.

May 7, 2011
9×9
May 9, 2011
11×11

Jigsaw

Your jigsaw puzzle begins as a jumbled mass of color, but once solved these puzzles are art. Work against the clock or simply play for fun. Jump into a random jigsaw puzzle to begin playing immediately, or browse through the jigsaw gallery to find your perfect challenge.

Churchby yurdacanChurch16×12
Fern Plexiby markmillerFern Plexi16×12

Hashi

Generic description of hashi...

Jul 16, 2011
3
2
1
1
2
3
1
2
4
2
4
1
3
3
3
2
2
4
2
3
2
3
3
3
1
2
2
4
1
1
2
1
3
3
3
1
1
2
2
2
2
2
1
2
2
1
2
2
9×16
Sep 13, 2011
3
4
4
4
1
2
4
4
2
2
1
1
1
2
1
1
2
2
3
2
1
2
4
3
3
1
3
3
3
3
1
1
1
1
1
1
4
5
4
5
3
4
2
2
3
1
1
3
2
3
3
1
2
2
4
2
2
2
3
3
3
2
1
2
1
2
1
2
3
1
3
3
4
2
2
2
4
4
3
1
20×12

Hitori

My hitori generator still needs work, as it can't yet make puzzles which can be solved with logic alone. I'm working on it. If anyone knows of any free hitori generators, I'd appreciate the info.

Jan 7, 2011
1554221
4374265
3235624
7763141
7522166
5425714
1137752
7×7
Jan 8, 2011
43512
12413
22132
31215
23351
5×5

Nonogram

Paragraph talking about nonograms.

Apr 22, 2012
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X X X X X
X X X
X X X X
X X X X X X
X X X X
X X X
X X X X X
X X X X X X
X X
X X X X X
X X X X X
X
X X X X X X
X X X X
X X X
15×15
Aug 18, 2012
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X X X X
X X X X X
X X
X X X
X X X X X X X X
X X X X X
X X X
X X X X X
X
X X X X X X X
X X X X X X
X X X
X X
X X X X X
X X X X
X X X X X X X
X X X
X X X X
X X X X X
X X X X X
20×20

Word Search

Word search description goes here.

Star TrekBenjamin Sisko, Borg, Cardassian, Changeling, Dominion, Energize, Enterprise, Federation, Ferengi, Holodeck, James T. Kirk, Jean-Luc Picard, Jonathan Archer, Kathryn Janeway, Klingon, Phaser, Romulan, Runabout, Transporter, Tribble, Voyager, Vulcan, Warp23 terms
State Capitals J–ZJefferson City, Juneau, Lansing, Lincoln, Little Rock, Madison, Montgomery, Montpelier, Nashville, Oklahoma City, Olympia, Phoenix, Pierre, Providence, Raleigh, Richmond, Sacramento, Saint Paul, Salem, Salt Lake City, Santa Fe, Springfield, Tallahassee, Topeka, Trenton25 terms

Mathdoku

This page is incomplete. For now, jump to a random mathdoku puzzle.

Jan 8, 2011
6+1−36×
36×1−
13+1−24×
4−7+4−
7+
Difficult – 6×6
Jan 11, 2011
56×2−11+1−3−
8+24×5+1−5−
4−
12×10+42×15+
21×17+
Argh! – 7×7

Polyomino

A polyomino is a misshapen domino. In these puzzles, you must divide the grid into polyominoes and determine the shape of each polyomino given its size in the grid. Polyominoes of the same size cannot share a side.

Jan 10, 2011
1111113
9611
81555571612
1641112
3764185
114644411
5111315
551318411
712141411
193373
11711112
344141
111413
17×13
Feb 3, 2011
111213
5661811
6175175131
714
7244114
311134
1832131415
513116
14113311
517163682
13162
3115511
14151745
17×13

Illumination

Paragraph talking about illumination.

Jan 7, 2011
11
12
11
1
202
110
2
3
11
10
0
00
2
121
14×14
Feb 6, 2011
21
000
0
11
1
13
01
2
1111
0
20
111
0
14×14