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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
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Arrows
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ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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Cubes
Day of Week
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Divisors
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
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Gray Code Encoder
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Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
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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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
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QR Encoder
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Tutorial
Hole
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Chars
Time
Submitted
Fizz Buzz
jusaka
30
224ms
5 days ago
12 Days of Christmas
plcc0
241
363ms
16 days ago
Fibonacci
plcc0
7
136ms
17 days ago
Tutorial
edward-Han1024
28
214ms
27 days ago
Alphabetic Numbers
HumanoidCPU
3,895
145ms
6 Mar 2026
γ
JOrE20
772
181ms
27 Feb 2026
Continued Fractions
kg583
15
220ms
27 Feb 2026
Gray Code Encoder
JOrE20
6
277ms
27 Feb 2026
Partition Numbers
JOrE20
647
140ms
26 Feb 2026
Fibonacci
kg583
6
163ms
24 Feb 2026
Cubes
JOrE20
647
173ms
24 Feb 2026
Odious Numbers (Long)
JOrE20
7
243ms
24 Feb 2026
Odious Numbers
JOrE20
7
171ms
24 Feb 2026
Evil Numbers
JOrE20
7
202ms
24 Feb 2026
Evil Numbers (Long)
JOrE20
8
219ms
24 Feb 2026
Fibonacci
JOrE20
6
156ms
24 Feb 2026
ROT13
JOrE20
3
229ms
24 Feb 2026
Quine
JOrE20
3
151ms
24 Feb 2026
Fractions
JOrE20
2
175ms
24 Feb 2026
Vampire Numbers
JOrE20
1,071
147ms
21 Feb 2026
Rijndael S-box
JOrE20
768
142ms
15 Feb 2026
N Queens
JOrE20
997
163ms
5 Feb 2026
24 Game
JOrE20
5,957
251ms
5 Feb 2026
Collatz
JOrE20
1,516
231ms
3 Feb 2026
Pascal’s Triangle
JOrE20
17
184ms
3 Feb 2026
Seven Segment
JOrE20
35
206ms
3 Feb 2026
Tutorial
FortuiteMan
76
353ms
3 Feb 2026
Ten-pin Bowling
kg583
46
246ms
28 Jan 2026
Multitap Input
kg583
20
280ms
28 Jan 2026
π
Andrey2001
1,003
147ms
27 Jan 2026
Tutorial
Mefred
76
359ms
15 Jan 2026
𝑒
JOrE20
1,003
142ms
5 Jan 2026
Polyominoes
JOrE20
1,100
174ms
3 Jan 2026
Tutorial
te-chnical
76
339ms
1 Jan 2026
Mandelbrot
JOrE20
431
151ms
31 Dec 2025
Hilbert Curve
JOrE20
644
155ms
31 Dec 2025
Tongue-twisters
JOrE20
323
272ms
31 Dec 2025
Fizz Buzz
JOrE20
21
326ms
17 Dec 2025
Hexagonal Spiral
kurkale6ka
1,135
154ms
11 Dec 2025
Tutorial
kurkale6ka
26
220ms
11 Dec 2025
12 Days of Christmas
kurkale6ka
2,369
171ms
11 Dec 2025
Tower of Hanoi
KatieLG
3,579
161ms
30 Nov 2025
𝑒
BREMAUCY
1,003
158ms
27 Nov 2025
Taxicab Numbers
HumanoidCPU
4,160
159ms
27 Nov 2025
Taxicab Numbers
Shanethegamer
4,160
151ms
26 Nov 2025
Smooth Numbers
kg583
10
1,054ms
23 Nov 2025
Kolakoski Sequence
HumanoidCPU
2,000
150ms
12 Nov 2025
Tower of Hanoi
HumanoidCPU
3,577
156ms
6 Nov 2025
Tower of Hanoi
kg583
19
270ms
30 Oct 2025
Tower of Hanoi
Shanethegamer
3,577
148ms
30 Oct 2025
Tutorial
Babafaba
76
355ms
15 Oct 2025
Quine
snoozingnewt
5
146ms
12 Oct 2025
Tutorial
snoozingnewt
15
356ms
15 Sep 2025
Fizz Buzz
snoozingnewt
25
311ms
14 Sep 2025
Fizz Buzz
madex
21
307ms
3 Sep 2025
Fizz Buzz
CaedenHarper
21
301ms
28 Aug 2025
Tutorial
Vexxter9
76
345ms
21 Aug 2025
Hexagonal Spiral
HumanoidCPU
1,135
148ms
18 Aug 2025
Highly Composite Numbers
HumanoidCPU
392
134ms
18 Aug 2025
Hilbert Curve
HumanoidCPU
2,048
139ms
18 Aug 2025
Abundant Numbers (Long)
HumanoidCPU
964
136ms
18 Aug 2025
Polyominoes
HumanoidCPU
3,564
147ms
18 Aug 2025
Recamán
HumanoidCPU
897
149ms
18 Aug 2025
Rule 110
HumanoidCPU
10,100
160ms
18 Aug 2025
Pascal’s Triangle
HumanoidCPU
769
150ms
18 Aug 2025
Kaprekar Numbers
HumanoidCPU
440
147ms
18 Aug 2025
Happy Numbers
HumanoidCPU
107
143ms
18 Aug 2025
Happy Numbers (Long)
HumanoidCPU
552
142ms
18 Aug 2025
Emirp Numbers (Long)
HumanoidCPU
1,156
146ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
2,872
150ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
523
147ms
18 Aug 2025
Look and Say
HumanoidCPU
1,279
141ms
15 Aug 2025
Farey Sequence
HumanoidCPU
4,354
143ms
15 Aug 2025
Diamonds
HumanoidCPU
1,103
140ms
14 Aug 2025
Niven Numbers
HumanoidCPU
91
141ms
14 Aug 2025
Lucky Numbers
HumanoidCPU
4,820
149ms
14 Aug 2025
Inventory Sequence
HumanoidCPU
2,623
143ms
14 Aug 2025
Gijswijt’s Sequence
HumanoidCPU
2,000
142ms
14 Aug 2025
Smith Numbers
HumanoidCPU
1,824
139ms
14 Aug 2025
Arithmetic Numbers
HumanoidCPU
37,642
317ms
14 Aug 2025