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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Mahjong
sean-niemann
💎
156
74ms
7 hours ago
Mahjong
dokutan
204
2,601ms
36 hours ago
Mahjong
JOrE20
409
19ms
2 days ago
Mahjong
edsrzf
🥉
360
183ms
17 days ago
Mahjong
scpchicken
3,981
64ms
26 days ago
Mahjong
scpchicken
2,780
178ms
13 Jan 2026
Mahjong
blaztoma
🥈
275
115ms
9 Jan 2026
Mahjong
scpchicken
3,526
4ms
6 Jan 2026
Mahjong
TheZwierzLF
441
2,532ms
6 Jan 2026
Mahjong
tomh1012
882
1,084ms
5 Jan 2026
Mahjong
snoozingnewt
💎
269
115ms
27 Dec 2025
Mahjong
dokutan
🥈
446
23ms
27 Dec 2025
Mahjong
pardouin
🥈
128
2,302ms
27 Dec 2025
Mahjong
bricknellj
235
22ms
26 Dec 2025
Mahjong
Yax42
416
473ms
25 Dec 2025
Mahjong
TheZwierzLF
458
825ms
23 Dec 2025
Mahjong
snoozingnewt
183
20ms
22 Dec 2025
Mahjong
alexsave
535
18ms
15 Dec 2025
Mahjong
MeWhenI
424
74ms
12 Dec 2025
Mahjong
MeWhenI
406
3ms
12 Dec 2025
Mahjong
Lv0Sys
388
13ms
9 Dec 2025
Mahjong
bitsandbeyond
786
2ms
5 Dec 2025
Mahjong
sean-niemann
144
635ms
5 Dec 2025
Mahjong
JOrE20
290
14ms
3 Dec 2025
Mahjong
anter69
314
49ms
2 Dec 2025
Mahjong
blaztoma
🥉
341
12ms
2 Dec 2025
Mahjong
h3ra993huskp
602
697ms
30 Nov 2025
Mahjong
FortuiteMan
431
21ms
29 Nov 2025
Mahjong
AidanWalter
🥉
1,860
35ms
26 Nov 2025
Mahjong
AidanWalter
2,030
178ms
26 Nov 2025
Mahjong
AidanWalter
3,175
2ms
26 Nov 2025
Mahjong
iczelia
1,086
11ms
23 Nov 2025
Mahjong
snoozingnewt
🥈
297
97ms
21 Nov 2025
Mahjong
snoozingnewt
🥈
377
145ms
20 Nov 2025
Mahjong
snoozingnewt
183
535ms
20 Nov 2025
Mahjong
blaztoma
1,960
185ms
18 Nov 2025
Mahjong
blaztoma
984
2ms
18 Nov 2025
Mahjong
KasperKivimaeki
💎
243
412ms
18 Nov 2025
Mahjong
Yewzir
🥉
934
176ms
18 Nov 2025
Mahjong
Yewzir
851
2ms
18 Nov 2025
Mahjong
CaedenHarper
🥈
756
252ms
18 Nov 2025
Mahjong
CaedenHarper
1,313
14ms
17 Nov 2025
Mahjong
blaztoma
331
77ms
13 Nov 2025
Mahjong
qpwoeirut
386
142ms
9 Nov 2025
Mahjong
MeWhenI
💎
420
1,800ms
7 Nov 2025
Mahjong
MeWhenI
🥈
313
533ms
7 Nov 2025
Mahjong
KasperKivimaeki
🥈
321
306ms
7 Nov 2025
Mahjong
CaedenHarper
528
26ms
6 Nov 2025
Mahjong
ryyyn
259
90ms
5 Nov 2025
Mahjong
ovs-code
🥈
213
2ms
5 Nov 2025
Mahjong
CaedenHarper
889
341ms
4 Nov 2025
Mahjong
CornerMercury
153
21ms
2 Nov 2025
Mahjong
albanian-laundromat
🥉
161
2,426ms
26 Oct 2025
Mahjong
edsrzf
🥈
299
204ms
25 Oct 2025
Mahjong
albanian-laundromat
🥈
592
1,574ms
22 Oct 2025
Mahjong
CaedenHarper
951
586ms
21 Oct 2025
Mahjong
aiwana
218
87ms
21 Oct 2025
Mahjong
edsrzf
💎
306
72ms
20 Oct 2025
Mahjong
edsrzf
💎
295
304ms
20 Oct 2025
Mahjong
edsrzf
🥈
194
1,428ms
19 Oct 2025
Mahjong
edsrzf
💎
314
20ms
19 Oct 2025
Mahjong
edsrzf
💎
275
173ms
19 Oct 2025
Mahjong
stefangimmillaro
1,335
774ms
19 Oct 2025
Mahjong
CaedenHarper
998
693ms
18 Oct 2025
Mahjong
edsrzf
🦄
405
11ms
16 Oct 2025
Mahjong
bitsandbeyond
💎
123
4,198ms
16 Oct 2025
Mahjong
emgordon154
243
1,541ms
15 Oct 2025
Mahjong
InigoK
494
51ms
14 Oct 2025
Mahjong
KasperKivimaeki
💎
193
4ms
13 Oct 2025
Mahjong
ovs-code
💎
126
817ms
8 Oct 2025
Mahjong
aksyristos
911
469ms
5 Oct 2025
Mahjong
BREMAUCY
253
110ms
4 Oct 2025
Mahjong
robin-scragg
290
26ms
3 Oct 2025
Mahjong
kg583
💎
138
1,321ms
3 Oct 2025
Mahjong
CaedenHarper
547
3,726ms
27 Sep 2025
Mahjong
CaedenHarper
350
31ms
25 Sep 2025
Mahjong
sean-niemann
🥉
371
613ms
24 Sep 2025
Mahjong
dokutan
🥈
1,586
397ms
23 Sep 2025
Mahjong
dokutan
🥉
1,945
700ms
23 Sep 2025
Mahjong
kg583
🥈
134
1,979ms
20 Sep 2025