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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
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Arabic to Roman
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Billiards
brainfuck
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Catalan’s Constant
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Divisors
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Emirp Numbers (Long)
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ln 2
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Maze
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Morse Encoder
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Niven Numbers (Long)
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Odious Numbers (Long)
Ordinal Numbers
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Pangram Grep
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Pernicious Numbers (Long)
Poker
Polyominoes
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Quine
Recamán
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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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
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p-adic Expansion
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Tutorial
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Golfer
Chars
Time
Submitted
Sierpiński Triangle
themoonisacheese
27
439ms
5 days ago
Gray Code Decoder
themoonisacheese
9
2,448ms
5 days ago
Gray Code Encoder
themoonisacheese
10
1,015ms
7 days ago
Catalan Numbers
themoonisacheese
13
629ms
27 days ago
Pangram Grep
themoonisacheese
11
787ms
6 Mar 2026
Alphabetic Numbers
HumanoidCPU
3,897
505ms
6 Mar 2026
Fizz Buzz
jelycocode
12
997ms
1 Mar 2026
Prime Numbers (Long)
jshholland
6
1,582ms
19 Feb 2026
Prime Numbers
jshholland
5
551ms
19 Feb 2026
Fractions
jshholland
14
628ms
19 Feb 2026
Card Number Validation
jshholland
20
836ms
19 Feb 2026
Abundant Numbers (Long)
jshholland
11
1,217ms
19 Feb 2026
Abundant Numbers
jshholland
11
824ms
19 Feb 2026
12 Days of Christmas
jshholland
214
918ms
19 Feb 2026
Emirp Numbers (Long)
jshholland
13
2,333ms
19 Feb 2026
Emirp Numbers
jshholland
13
1,284ms
19 Feb 2026
ROT13
jshholland
25
1,002ms
19 Feb 2026
Look and Say
themoonisacheese
15
689ms
18 Feb 2026
Tutorial
Ultra814
29
957ms
18 Feb 2026
Multitap Input
themoonisacheese
34
1,157ms
17 Feb 2026
Tutorial
FortuiteMan
79
976ms
3 Feb 2026
Semiprime Numbers
plcc0
10
4,223ms
31 Jan 2026
Christmas Trees
themoonisacheese
20
712ms
26 Jan 2026
π
Andrey2001
1,005
478ms
25 Jan 2026
Fibonacci
themoonisacheese
10
550ms
22 Jan 2026
Tutorial
Mefred
79
921ms
15 Jan 2026
𝑒
JOrE20
1,005
462ms
5 Jan 2026
Tutorial
HumanoidCPU
10
975ms
1 Jan 2026
Fizz Buzz
JOrE20
415
463ms
27 Dec 2025
ASCII Table
themoonisacheese
43
590ms
19 Dec 2025
Taxicab Numbers
kurkale6ka
4,162
511ms
12 Dec 2025
Sphenic Numbers
themoonisacheese
10
4,013ms
12 Dec 2025
Number Spiral
kurkale6ka
302
580ms
11 Dec 2025
Tutorial
kurkale6ka
27
969ms
10 Dec 2025
Reverse Polish Notation
themoonisacheese
13
739ms
9 Dec 2025
Fibonacci
voytxt
12
483ms
6 Dec 2025
Tower of Hanoi
KatieLG
4,089
525ms
30 Nov 2025
Smith Numbers
themoonisacheese
17
3,426ms
28 Nov 2025
Taxicab Numbers
HumanoidCPU
4,162
719ms
27 Nov 2025
Tutorial
JOrE20
10
959ms
26 Nov 2025
Taxicab Numbers
Shanethegamer
4,162
536ms
26 Nov 2025
Hexdump
themoonisacheese
44
786ms
20 Nov 2025
Kolakoski Sequence
HumanoidCPU
2,002
583ms
12 Nov 2025
Tutorial
TheDevilWillBeBee
29
943ms
7 Nov 2025
Tower of Hanoi
HumanoidCPU
3,579
539ms
6 Nov 2025
Tower of Hanoi
Shanethegamer
4,089
566ms
30 Oct 2025
Inventory Sequence
themoonisacheese
20
771ms
29 Oct 2025
Semiprime Numbers
themoonisacheese
10
3,623ms
27 Oct 2025
Tutorial
Babafaba
79
911ms
15 Oct 2025
Fizz Buzz
snoozingnewt
12
684ms
10 Oct 2025
Collatz
themoonisacheese
24
1,283ms
8 Oct 2025
Trinomial Triangle
themoonisacheese
23
666ms
7 Oct 2025
Pascal’s Triangle
themoonisacheese
24
706ms
7 Oct 2025
Fizz Buzz
LostSyntax21
14
629ms
2 Oct 2025
Tutorial
J09M
27
863ms
23 Sep 2025
Tutorial
snoozingnewt
10
1,076ms
15 Sep 2025
Foo Fizz Buzz Bar
lyxal
22
1,942ms
15 Sep 2025
Foo Fizz Buzz Bar
themoonisacheese
22
1,580ms
15 Sep 2025
Fizz Buzz
madex
12
643ms
3 Sep 2025
Fizz Buzz
CaedenHarper
12
654ms
28 Aug 2025
Tutorial
Vexxter9
79
977ms
21 Aug 2025
Highly Composite Numbers
HumanoidCPU
394
526ms
18 Aug 2025
Hexagonal Spiral
HumanoidCPU
1,137
526ms
18 Aug 2025
Tutorial
dokutan
10
961ms
18 Aug 2025
Hilbert Curve
HumanoidCPU
2,050
522ms
18 Aug 2025
Abundant Numbers (Long)
HumanoidCPU
966
545ms
18 Aug 2025
Polyominoes
HumanoidCPU
3,566
525ms
18 Aug 2025
Recamán
HumanoidCPU
899
508ms
18 Aug 2025
Kaprekar Numbers
HumanoidCPU
442
557ms
18 Aug 2025
Happy Numbers
HumanoidCPU
109
559ms
18 Aug 2025
Happy Numbers (Long)
HumanoidCPU
554
591ms
18 Aug 2025
Emirp Numbers (Long)
HumanoidCPU
1,158
559ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
2,874
596ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
525
520ms
18 Aug 2025
Van Eck Sequence
HumanoidCPU
2,557
538ms
17 Aug 2025
Abundant Numbers
HumanoidCPU
165
667ms
16 Aug 2025
Foo Fizz Buzz Bar
dokutan
89
760ms
15 Aug 2025
Fizz Buzz
dokutan
56
706ms
15 Aug 2025
Leap Years
dokutan
29
747ms
15 Aug 2025
Look and Say
HumanoidCPU
1,281
554ms
15 Aug 2025