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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
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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
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Kolakoski Sequence
Leap Years
Levenshtein Distance
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ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
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N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
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Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
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Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
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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
Multitap Input
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Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
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Semiprime Numbers
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Tutorial
Hole
Golfer
Chars
Time
Submitted
Polyominoes
alexsave
433
90ms
13 hours ago
Polyominoes
Yax42
413
530ms
16 hours ago
Polyominoes
sean-niemann
💎
124
1,320ms
3 days ago
Polyominoes
dokutan
499
10ms
8 days ago
Polyominoes
KatieLG-Transpiler
4,832
3ms
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Polyominoes
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4,837
11ms
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Polyominoes
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4,835
2ms
11 days ago
Polyominoes
KatieLG
663
36ms
12 days ago
Polyominoes
KatieLG
167
490ms
12 days ago
Polyominoes
sean-niemann
💎
243
3,650ms
12 days ago
Polyominoes
NicoPlayZ9002-YT
3,576
11ms
13 days ago
Polyominoes
dokutan
💎
1,324
12ms
14 days ago
Polyominoes
JOrE20
1,100
172ms
16 days ago
Polyominoes
HumanoidCPU
3,572
7ms
18 days ago
Polyominoes
JOrE20
🥈
1,704
7ms
20 days ago
Polyominoes
dokutan
🥉
980
122ms
21 days ago
Polyominoes
dokutan
🥈
486
3ms
21 days ago
Polyominoes
MeWhenI
💎
1,435
8ms
22 days ago
Polyominoes
dokutan
922
119ms
23 days ago
Polyominoes
dokutan
🥈
956
412ms
23 days ago
Polyominoes
HumanoidCPU
1,823
647ms
24 days ago
Polyominoes
MeWhenI
1,862
5ms
26 days ago
Polyominoes
Shanethegamer
3,584
3ms
26 days ago
Polyominoes
CornerMercury
137
25ms
27 days ago
Polyominoes
YAJUE114514
237
670ms
22 Dec 2025
Polyominoes
albanian-laundromat
🥈
348
64ms
21 Dec 2025
Polyominoes
blaztoma
🥈
325
146ms
21 Dec 2025
Polyominoes
YAJUE114514
1,599
153ms
20 Dec 2025
Polyominoes
snoozingnewt
💎
301
221ms
17 Dec 2025
Polyominoes
tomh1012
648
456ms
16 Dec 2025
Polyominoes
dokutan
🥉
496
83ms
12 Dec 2025
Polyominoes
dokutan
947
124ms
12 Dec 2025
Polyominoes
MeWhenI
208
58ms
12 Dec 2025
Polyominoes
kurkale6ka
3,576
10ms
11 Dec 2025
Polyominoes
albanian-laundromat
💎
2,395
4ms
11 Dec 2025
Polyominoes
dokutan
🥉
480
804ms
10 Dec 2025
Polyominoes
Lv0Sys
🥉
519
252ms
10 Dec 2025
Polyominoes
Lv0Sys
239
21ms
10 Dec 2025
Polyominoes
kg583
💎
231
163ms
10 Dec 2025
Polyominoes
HumanoidCPU
7,410
7ms
7 Dec 2025
Polyominoes
HumanoidCPU
11,160
9ms
7 Dec 2025
Polyominoes
HumanoidCPU
3,617
248ms
7 Dec 2025
Polyominoes
HumanoidCPU
9,837
33ms
5 Dec 2025
Polyominoes
HumanoidCPU
11,871
15ms
5 Dec 2025
Polyominoes
HumanoidCPU
3,572
3ms
5 Dec 2025
Polyominoes
JOrE20
3,569
5ms
4 Dec 2025
Polyominoes
Shanethegamer
3,584
106ms
4 Dec 2025
Polyominoes
Carlos-EAC
4,709
3,486ms
4 Dec 2025
Polyominoes
Carlos-EAC
4,835
1ms
3 Dec 2025
Polyominoes
targrik
🥉
312
46ms
3 Dec 2025
Polyominoes
Carlos-EAC
4,837
11ms
3 Dec 2025
Polyominoes
CaedenHarper
4,851
120ms
1 Dec 2025
Polyominoes
KatieLG
1,338
1,256ms
30 Nov 2025
Polyominoes
KatieLG
1,316
111ms
30 Nov 2025
Polyominoes
KatieLG
1,267
41ms
30 Nov 2025
Polyominoes
KatieLG
1,332
115ms
30 Nov 2025
Polyominoes
KatieLG
1,331
643ms
30 Nov 2025
Polyominoes
KatieLG
1,276
76ms
30 Nov 2025
Polyominoes
KatieLG
1,346
289ms
30 Nov 2025
Polyominoes
KatieLG
1,351
174ms
30 Nov 2025
Polyominoes
KatieLG
1,420
80ms
30 Nov 2025
Polyominoes
KatieLG
1,349
209ms
30 Nov 2025
Polyominoes
KatieLG
1,638
712ms
30 Nov 2025
Polyominoes
KatieLG
1,207
3ms
30 Nov 2025
Polyominoes
KatieLG
1,400
5ms
30 Nov 2025
Polyominoes
KatieLG
1,332
2,971ms
30 Nov 2025
Polyominoes
KatieLG
1,355
8ms
30 Nov 2025
Polyominoes
KatieLG
1,366
398ms
30 Nov 2025
Polyominoes
KatieLG
1,444
247ms
30 Nov 2025
Polyominoes
KatieLG
1,393
116ms
30 Nov 2025
Polyominoes
KatieLG
1,329
397ms
30 Nov 2025
Polyominoes
KatieLG
1,272
1,167ms
30 Nov 2025
Polyominoes
KatieLG
1,271
201ms
30 Nov 2025
Polyominoes
KatieLG
1,463
2ms
30 Nov 2025
Polyominoes
KatieLG
1,378
134ms
30 Nov 2025
Polyominoes
KatieLG
85
1,829ms
30 Nov 2025
Polyominoes
h3ra993huskp
1,211
519ms
30 Nov 2025
Polyominoes
albanian-laundromat
🥉
476
130ms
29 Nov 2025
Polyominoes
HumanoidCPU
3,599
54ms
28 Nov 2025
Polyominoes
JOrE20
6,421
3ms
27 Nov 2025