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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
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
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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
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
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Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Tower of Hanoi
KatieLG
366
134ms
3 days ago
Rijndael S-box
dokutan
506
120ms
4 days ago
Polyominoes
dokutan
922
119ms
4 days ago
Number Spiral
dokutan
246
120ms
4 days ago
Look and Say
dokutan
357
123ms
4 days ago
Kaprekar Numbers
dokutan
349
119ms
4 days ago
Hexagonal Spiral
dokutan
266
118ms
4 days ago
Factorial Factorisation
dokutan
411
121ms
4 days ago
Diamonds
dokutan
153
120ms
4 days ago
Hexagonal Spiral
bitsandbeyond
214
164ms
5 days ago
Fibonacci
albanian-laundromat
47
126ms
6 days ago
Tower of Hanoi
emgordon154
54
128ms
11 days ago
Tower of Hanoi
JayXon
💎
46
137ms
12 days ago
Topological Sort
sean-niemann
💎
97
157ms
13 days ago
γ
JOrE20
1,016
118ms
14 days ago
Tongue-twisters
prestosilver
552
118ms
14 days ago
Emirp Numbers
JayXon
🥇
57
150ms
14 days ago
Abundant Numbers (Long)
DialFrost
61
122ms
17 days ago
Abundant Numbers
DialFrost
60
119ms
17 days ago
Niven Numbers
snoozingnewt
45
123ms
19 days ago
Pernicious Numbers
snoozingnewt
37
113ms
22 days ago
Prime Numbers
snoozingnewt
39
120ms
22 days ago
Leap Years
snoozingnewt
48
118ms
24 days ago
Multitap Input
Shanethegamer
135
125ms
25 days ago
λ
sean-niemann
🥈
124
195ms
26 days ago
Fibonacci
GolfingSuccess
38
118ms
27 days ago
Prime Numbers
tomh1012
77
139ms
3 Dec 2025
Catalan Numbers
snoozingnewt
49
117ms
3 Dec 2025
Lucky Numbers
sean-niemann
60
169ms
3 Dec 2025
Zodiac Signs
AlephSquirrel
179
144ms
2 Dec 2025
Tower of Hanoi
sean-niemann
49
137ms
1 Dec 2025
Tower of Hanoi
dokutan
56
130ms
1 Dec 2025
Tongue-twisters
dokutan
🥉
181
125ms
1 Dec 2025
Spelling Numbers
dokutan
518
131ms
1 Dec 2025
Lucky Tickets
dokutan
2,501
121ms
1 Dec 2025
Tower of Hanoi
lukegustafson
🥉
48
131ms
1 Dec 2025
Prime Numbers (Long)
KatieLG
4,376
152ms
30 Nov 2025
Pernicious Numbers (Long)
KatieLG
14,251
175ms
30 Nov 2025
Arithmetic Numbers
KatieLG
24,510
184ms
30 Nov 2025
99 Bottles of Beer
KatieLG
1,318
127ms
30 Nov 2025
Van Eck Sequence
KatieLG
1,715
141ms
30 Nov 2025
Vampire Numbers
KatieLG
1,037
127ms
30 Nov 2025
Trinomial Triangle
KatieLG
1,876
127ms
30 Nov 2025
Tongue-twisters
KatieLG
504
134ms
30 Nov 2025
Smith Numbers
KatieLG
1,660
133ms
30 Nov 2025
Sierpiński Triangle
KatieLG
224
133ms
30 Nov 2025
Rule 110
KatieLG
2,135
137ms
30 Nov 2025
Recamán
KatieLG
803
130ms
30 Nov 2025
Polyominoes
KatieLG
1,378
134ms
30 Nov 2025
Pascal’s Triangle
KatieLG
713
120ms
30 Nov 2025
Partition Numbers
KatieLG
650
121ms
30 Nov 2025
Odious Numbers (Long)
KatieLG
1,679
131ms
30 Nov 2025
Niven Numbers (Long)
KatieLG
5,694
157ms
30 Nov 2025
N Queens
KatieLG
1,193
132ms
30 Nov 2025
Mandelbrot
KatieLG
613
137ms
30 Nov 2025
Lucky Numbers
KatieLG
3,816
140ms
30 Nov 2025
Look and Say
KatieLG
729
131ms
30 Nov 2025
Leyland Numbers
KatieLG
888
119ms
30 Nov 2025
Leap Years
KatieLG
630
127ms
30 Nov 2025
Kolakoski Sequence
KatieLG
370
131ms
30 Nov 2025
Inventory Sequence
KatieLG
1,780
134ms
30 Nov 2025
Hilbert Curve
KatieLG
946
139ms
30 Nov 2025
Happy Numbers (Long)
KatieLG
564
122ms
30 Nov 2025
Gijswijt’s Sequence
KatieLG
247
129ms
30 Nov 2025
Foo Fizz Buzz Bar
KatieLG
1,581
140ms
30 Nov 2025
Fizz Buzz
KatieLG
272
124ms
30 Nov 2025
Farey Sequence
KatieLG
2,970
148ms
30 Nov 2025
Factorial Factorisation
KatieLG
825
125ms
30 Nov 2025
Evil Numbers (Long)
KatieLG
1,683
135ms
30 Nov 2025
Emirp Numbers (Long)
KatieLG
1,019
123ms
30 Nov 2025
Divisors
KatieLG
863
123ms
30 Nov 2025
Diamonds
KatieLG
427
126ms
30 Nov 2025
Cubes
KatieLG
881
132ms
30 Nov 2025
Collatz
KatieLG
2,251
140ms
30 Nov 2025
Christmas Trees
KatieLG
305
122ms
30 Nov 2025
Catalan Numbers
KatieLG
2,709
135ms
30 Nov 2025
Ascending Primes
KatieLG
464
121ms
30 Nov 2025
Abundant Numbers (Long)
KatieLG
843
125ms
30 Nov 2025
Abundant Numbers
KatieLG
173
119ms
30 Nov 2025
24 Game
KatieLG
5,258
166ms
30 Nov 2025