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12 Days of Christmas
24 Game
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Abundant Numbers
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Arabic to Roman
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Billiards
brainfuck
Calendar
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Catalan’s Constant
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ln 2
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Maze
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Odious Numbers (Long)
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Quine
Recamán
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Reversi
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Roman to Arabic
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Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
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Spelling Numbers
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Star Wars Opening Crawl
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Sudoku (Fill-in)
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Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
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United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
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Connect Four
Continued Fractions
Crossword
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Tutorial
Hole
Golfer
Bytes
Time
Submitted
Tutorial
Mefred
68
45ms
13 hours ago
Day of Week
plcc0
90
111ms
2 days ago
Kaprekar Numbers
plcc0
236
75ms
2 days ago
Kaprekar Numbers
2bular
209
4,681ms
2 days ago
𝑒
JOrE20
1,004
52ms
10 days ago
Billiards
2bular
39
91ms
18 days ago
Hexdump
2bular
57
125ms
21 days ago
Lucky Tickets
2bular
15
59ms
22 days ago
Calendar
2bular
84
111ms
26 days ago
Day of Week
2bular
83
108ms
27 days ago
12 Days of Christmas
2bular
356
64ms
15 Dec 2025
12 Days of Christmas
darrenks
408
58ms
15 Dec 2025
Pangram Grep
shadowninja55
9
60ms
14 Dec 2025
Niven Numbers (Long)
shadowninja55
10
212ms
14 Dec 2025
Niven Numbers
shadowninja55
10
47ms
14 Dec 2025
Pernicious Numbers
shadowninja55
12
55ms
14 Dec 2025
Evil Numbers (Long)
shadowninja55
10
68ms
14 Dec 2025
Evil Numbers
shadowninja55
9
48ms
14 Dec 2025
Fibonacci
shadowninja55
9
46ms
14 Dec 2025
Tongue-twisters
kurkale6ka
523
50ms
12 Dec 2025
Highly Composite Numbers
kurkale6ka
392
46ms
12 Dec 2025
Sphenic Numbers
kurkale6ka
8,860
86ms
12 Dec 2025
γ
kurkale6ka
1,003
56ms
12 Dec 2025
Catalan’s Constant
kurkale6ka
1,003
54ms
12 Dec 2025
24 Game
kurkale6ka
12,432
82ms
12 Dec 2025
𝑒
kurkale6ka
1,003
56ms
11 Dec 2025
λ
kurkale6ka
1,003
51ms
11 Dec 2025
Hexagonal Spiral
kurkale6ka
1,135
53ms
11 Dec 2025
Cubes
kurkale6ka
4,101
61ms
11 Dec 2025
Tutorial
kurkale6ka
20
71ms
11 Dec 2025
24 Game
JOrE20
12,432
84ms
4 Dec 2025
Tongue-twisters
prestosilver
524
49ms
3 Dec 2025
Taxicab Numbers
2bular
21
1,058ms
3 Dec 2025
Taxicab Numbers
darrenks
20
1,021ms
2 Dec 2025
Factorial Factorisation
2bular
29
3,643ms
30 Nov 2025
Tower of Hanoi
KatieLG
4,088
59ms
30 Nov 2025
Fibonacci
Yewzir
9
49ms
29 Nov 2025
Taxicab Numbers
ovs-code
24
1,239ms
29 Nov 2025
𝑒
BREMAUCY
1,003
52ms
27 Nov 2025
Taxicab Numbers
HumanoidCPU
4,160
57ms
27 Nov 2025
Taxicab Numbers
Shanethegamer
4,160
57ms
26 Nov 2025
Trinomial Triangle
Natanaelel
13
66ms
19 Nov 2025
Minesweeper
Natanaelel
26
1,005ms
19 Nov 2025
Kolakoski Sequence
HumanoidCPU
2,000
58ms
12 Nov 2025
Seven Segment
2bular
37
51ms
10 Nov 2025
Tower of Hanoi
Natanaelel
35
122ms
8 Nov 2025
Leap Years
2bular
18
55ms
7 Nov 2025
Tower of Hanoi
HumanoidCPU
3,577
63ms
6 Nov 2025
Fibonacci
CatsAreFluffy
9
49ms
2 Nov 2025
Tower of Hanoi
2bular
29
121ms
1 Nov 2025
Prime Numbers
CatsAreFluffy
12
53ms
1 Nov 2025
Prime Numbers (Long)
CatsAreFluffy
14
3,189ms
1 Nov 2025
𝑒
CatsAreFluffy
26
806ms
31 Oct 2025
Tower of Hanoi
Shanethegamer
3,577
57ms
30 Oct 2025
Minesweeper
2bular
22
713ms
26 Oct 2025
Ellipse Perimeters
saito-ta
19
51ms
17 Oct 2025
Happy Numbers (Long)
snoozingnewt
15
160ms
16 Oct 2025
Tutorial
Babafaba
20
52ms
15 Oct 2025
Gray Code Encoder
ovs-code
8
494ms
12 Oct 2025
Van Eck Sequence
plcc0
14
99ms
4 Oct 2025
Emojify
plcc0
91
53ms
4 Oct 2025
Trinomial Triangle
plcc0
14
61ms
2 Oct 2025
Niven Numbers (Long)
plcc0
9
252ms
28 Sep 2025
Tutorial
retrohun
68
72ms
19 Sep 2025
Tutorial
snoozingnewt
20
67ms
15 Sep 2025
Fizz Buzz
snoozingnewt
26
53ms
15 Sep 2025
Tutorial
Vexxter9
68
54ms
21 Aug 2025
Highly Composite Numbers
HumanoidCPU
392
44ms
18 Aug 2025
Hexagonal Spiral
HumanoidCPU
1,135
48ms
18 Aug 2025
Hilbert Curve
HumanoidCPU
5,118
53ms
18 Aug 2025
Abundant Numbers (Long)
HumanoidCPU
964
47ms
18 Aug 2025
Polyominoes
HumanoidCPU
3,564
52ms
18 Aug 2025
Recamán
HumanoidCPU
897
48ms
18 Aug 2025
Kaprekar Numbers
HumanoidCPU
440
47ms
18 Aug 2025
Happy Numbers
HumanoidCPU
107
44ms
18 Aug 2025
Happy Numbers (Long)
HumanoidCPU
552
46ms
18 Aug 2025
Emirp Numbers (Long)
HumanoidCPU
1,156
53ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
2,872
53ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
523
55ms
18 Aug 2025
Van Eck Sequence
HumanoidCPU
2,555
55ms
17 Aug 2025