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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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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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)
Taxicab Numbers
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
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CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
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Rectangle Fill
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Snake
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Tutorial
Hole
Golfer
Chars
Time
Submitted
24 Game
madeforlosers
13,793
2ms
34 mins ago
Tutorial
NacMacFigl
56
2ms
46 hours ago
Taxicab Numbers
CaedenHarper
🥈
4,644
2ms
2 days ago
Kolakoski Constant
canissimia
💎
203
4,898ms
4 days ago
Taxicab Numbers
MeWhenI
💎
3,718
3ms
4 days ago
Kolakoski Sequence
madeforlosers
2,000
2ms
7 days ago
Dragon Curve
HumanoidCPU
10,527
2ms
7 days ago
Farey Sequence
canissimia
💎
114
2,934ms
7 days ago
Dragon Curve
Shanethegamer
10,527
2ms
7 days ago
Evil Numbers
madeforlosers
94
2ms
8 days ago
Odious Numbers
madeforlosers
98
2ms
8 days ago
Evil Numbers (Long)
madeforlosers
2,450
2ms
8 days ago
Farey Sequence
madeforlosers
5,128
2ms
8 days ago
Odious Numbers (Long)
madeforlosers
2,444
6ms
8 days ago
Abundant Numbers
madeforlosers
208
2ms
8 days ago
Abundant Numbers (Long)
madeforlosers
1,209
2ms
8 days ago
Prime Numbers
madeforlosers
95
1ms
8 days ago
Prime Numbers (Long)
madeforlosers
7,176
2ms
8 days ago
Divisors
madeforlosers
1,265
2ms
8 days ago
Foo Fizz Buzz Bar
madeforlosers
6,718
2ms
8 days ago
12 Days of Christmas
madeforlosers
2,481
1ms
8 days ago
Tongue-twisters
madeforlosers
536
2ms
8 days ago
Niven Numbers (Long)
madeforlosers
8,975
2ms
8 days ago
Fibonacci
madeforlosers
164
2ms
8 days ago
Collatz
madeforlosers
4,225
2ms
8 days ago
Niven Numbers
madeforlosers
123
2ms
8 days ago
Fizz Buzz
madeforlosers
512
2ms
9 days ago
Alphabetic Numbers
Shanethegamer
4,895
2ms
11 days ago
Tower of Hanoi
scpchicken
106
2ms
19 days ago
Look and Say
scpchicken
95
4ms
20 days ago
ROT13
snoozingnewt
108
4ms
27 days ago
Look and Say
madeforlosers
1,338
2ms
27 days ago
Calendar
DayDun
🦄
6,961
291ms
2 Apr 2026
Polyominoes
retrohun
3,570
2ms
1 Apr 2026
Look and Say
Carlos-EAC
1,298
2ms
1 Apr 2026
Gray Code Decoder
MeWhenI
🦄
286
230ms
25 Mar 2026
ROT13
Steffan153
🥇
84
172ms
24 Mar 2026
Transpose Sentence
retrohun
🥉
41
6ms
21 Mar 2026
Ordinal Numbers
edsrzf
48
4ms
20 Mar 2026
Look and Say
madex
104
4ms
14 Mar 2026
Smith Numbers
retrohun
1,489
2ms
8 Mar 2026
Tower of Hanoi
kritixilithos
🥉
51
560ms
8 Mar 2026
Alphabetic Numbers
HumanoidCPU
4,895
2ms
6 Mar 2026
Tongue-twisters
prestosilver
536
1ms
4 Mar 2026
ASCII Table
prestosilver
291
2ms
4 Mar 2026
Tic-tac-toe
Steffan153
50
37ms
27 Feb 2026
Fizz Buzz
JOrE20
245
4ms
25 Feb 2026
Look and Say
msbranicky
1,349
1ms
21 Feb 2026
ln 2
JOrE20
1,003
1ms
19 Feb 2026
Van Eck Sequence
JOrE20
3,554
2ms
18 Feb 2026
Tutorial
Ultra814
330
2ms
18 Feb 2026
Ascending Primes
JOrE20
611
2ms
16 Feb 2026
Look and Say
CornerMercury
89
17ms
11 Feb 2026
Look and Say
retrohun
🥈
55
4ms
8 Feb 2026
Multitap Input
canissimia
💎
81
62ms
7 Feb 2026
Abundant Numbers
sean-niemann
124
2ms
5 Feb 2026
Set
nwellnhof
🥈
136
244ms
3 Feb 2026
Tutorial
FortuiteMan
330
3ms
3 Feb 2026
Look and Say
Andrey2001
1,338
2ms
2 Feb 2026
Arabic to Roman
dokutan
489
14ms
2 Feb 2026
π
JOrE20
1,003
2ms
1 Feb 2026
Multitap Input
dokutan
195
4ms
1 Feb 2026
Minesweeper
nwellnhof
🥈
136
4,893ms
1 Feb 2026
Multitap Input
retrohun
143
5ms
31 Jan 2026
Look and Say
plcc0
104
3ms
30 Jan 2026
Multitap Input
nwellnhof
🥈
86
395ms
26 Jan 2026
Multitap Input
Natanaelel
🥉
133
482ms
26 Jan 2026
π
Andrey2001
1,005
1ms
25 Jan 2026
Fibonacci
nwellnhof
🥉
109
2ms
17 Jan 2026
Tutorial
Mefred
330
6ms
15 Jan 2026
Trinomial Triangle
KatieLG-Transpiler
2,087
1ms
9 Jan 2026
Tower of Hanoi
KatieLG-Transpiler
4,088
1ms
9 Jan 2026
Taxicab Numbers
KatieLG-Transpiler
4,645
1ms
9 Jan 2026
Sphenic Numbers
KatieLG-Transpiler
10,660
1ms
9 Jan 2026
Semiprime Numbers
KatieLG-Transpiler
15,414
2ms
9 Jan 2026
Polygon Triangulations
KatieLG-Transpiler
4,508
1ms
9 Jan 2026
Partition Numbers
KatieLG-Transpiler
747
2ms
9 Jan 2026
Odd Polyomino Tiling
KatieLG-Transpiler
21,638
1ms
9 Jan 2026
Mandelbrot
KatieLG-Transpiler
3,403
1ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
508
1ms
9 Jan 2026
Hilbert Curve
KatieLG-Transpiler
2,080
1ms
9 Jan 2026
Highly Composite Numbers
KatieLG-Transpiler
453
1ms
9 Jan 2026
Hexagonal Spiral
KatieLG-Transpiler
1,370
1ms
9 Jan 2026
Apéry’s Constant
KatieLG-Transpiler
1,004
2ms
9 Jan 2026
Tower of Hanoi
nwellnhof
🥈
50
587ms
7 Jan 2026
Quine
CornerMercury
65
1ms
7 Jan 2026
Catalan’s Constant
JOrE20
1,003
1ms
6 Jan 2026
Sierpiński Triangle
nwellnhof
🥈
54
3ms
4 Jan 2026
Sierpiński Triangle
canissimia
💎
52
3ms
4 Jan 2026
𝑒
JOrE20
1,003
1ms
30 Dec 2025
Polyominoes
MeWhenI
1,862
5ms
25 Dec 2025
99 Bottles of Beer
MeWhenI
292
8ms
25 Dec 2025
Happy Numbers (Long)
MeWhenI
497
2ms
25 Dec 2025
QR Decoder
MeWhenI
🥉
1,656
360ms
25 Dec 2025
Morse Decoder
MeWhenI
439
3ms
25 Dec 2025
Morse Encoder
MeWhenI
221
3ms
25 Dec 2025
τ
MeWhenI
901
4ms
25 Dec 2025
φ
MeWhenI
887
4ms
25 Dec 2025
𝑒
MeWhenI
893
4ms
25 Dec 2025
Roman to Arabic
MeWhenI
293
51ms
25 Dec 2025