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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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Arrows
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brainfuck
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Divisors
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Emirp Numbers (Long)
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Evil Numbers (Long)
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Foo Fizz Buzz Bar
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Game of Life
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Happy Numbers (Long)
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ISBN
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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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Polyominoes
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Quine
Recamán
Repeating Decimals
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Reversi
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Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
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Spelling Numbers
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Star Wars Opening Crawl
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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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Flags
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p-adic Expansion
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Tutorial
Hole
Golfer
Chars
Time
Submitted
Sudoku (Fill-in)
plcc0
133
67ms
9 Jan 2026
Sudoku (Fill-in)
dokutan
387
18ms
27 Dec 2025
Sudoku (Fill-in)
TheZwierzLF
554
73ms
25 Dec 2025
Sudoku (Fill-in)
blaztoma
244
33ms
17 Dec 2025
Sudoku (Fill-in)
bzijlema
178
164ms
16 Dec 2025
Sudoku (Fill-in)
Lv0Sys
633
25ms
5 Dec 2025
Sudoku (Fill-in)
snoozingnewt
161
39ms
1 Dec 2025
Sudoku (Fill-in)
CornerMercury
137
43ms
1 Dec 2025
Sudoku (Fill-in)
AidanWalter
2,304
179ms
28 Nov 2025
Sudoku (Fill-in)
ryyyn
174
191ms
1 Nov 2025
Sudoku (Fill-in)
Babafaba
232
2,354ms
26 Oct 2025
Sudoku (Fill-in)
KatieLG
204
25ms
19 Oct 2025
Sudoku (Fill-in)
BREMAUCY
189
38ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
184
3,623ms
2 Oct 2025
Sudoku (Fill-in)
qpwoeirut
287
21ms
21 Sep 2025
Sudoku (Fill-in)
albanian-laundromat
144
19ms
16 Sep 2025
Sudoku (Fill-in)
CaedenHarper
310
65ms
15 Sep 2025
Sudoku (Fill-in)
cros107
215
1,408ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
416
13ms
6 Sep 2025
Sudoku (Fill-in)
InigoK
182
2,911ms
29 Aug 2025
Sudoku (Fill-in)
sean-niemann
120
38ms
26 Aug 2025
Sudoku (Fill-in)
Zhenyu-Bo
1,900
21ms
1 Aug 2025
Sudoku (Fill-in)
ndren
267
24ms
14 Jul 2025
Sudoku (Fill-in)
evan18c
3,070
22ms
18 Apr 2025
Sudoku (Fill-in)
Keegan-T
1,431
13ms
18 Apr 2025
Sudoku (Fill-in)
mbittner20
564
261ms
14 Apr 2025
Sudoku (Fill-in)
madex
405
33ms
21 Mar 2025
Sudoku (Fill-in)
zt14427
4,377
19ms
18 Mar 2025
Sudoku (Fill-in)
jameswmccarty
1,205
20ms
13 Mar 2025
Sudoku (Fill-in)
ahmetdemirag
245
116ms
4 Mar 2025
Sudoku (Fill-in)
ovs-code
170
47ms
9 Feb 2025
Sudoku (Fill-in)
ComputerKWasTaken
705
16ms
23 Jan 2025
Sudoku (Fill-in)
croc54
358
795ms
18 Jan 2025
Sudoku (Fill-in)
lifthrasiir
133
83ms
2 Dec 2024
Sudoku (Fill-in)
theadamabrams
784
86ms
28 Nov 2024
Sudoku (Fill-in)
wh3n3v3r
240
22ms
18 Nov 2024
Sudoku (Fill-in)
Natanaelel
240
18ms
11 Nov 2024
Sudoku (Fill-in)
xyangst
760
21ms
12 Oct 2024
Sudoku (Fill-in)
JesseNoEyes
982
22ms
20 Sep 2024
Sudoku (Fill-in)
jatloe
122
68ms
16 Sep 2024
Sudoku (Fill-in)
Rubiksmath
188
408ms
2 Sep 2024
Sudoku (Fill-in)
duckyluuk
126
69ms
29 Aug 2024
Sudoku (Fill-in)
pardouin
🥉
108
63ms
12 Jul 2024
Sudoku (Fill-in)
Steffan153
117
55ms
11 Jul 2024
Sudoku (Fill-in)
kg583
129
107ms
9 Jun 2024
Sudoku (Fill-in)
jtaxen
2,165
25ms
10 May 2024
Sudoku (Fill-in)
neel11235813
148
61ms
3 Apr 2024
Sudoku (Fill-in)
AlephSquirrel
316
85ms
30 Mar 2024
Sudoku (Fill-in)
davecame
269
615ms
20 Mar 2024
Sudoku (Fill-in)
anter69
146
642ms
15 Mar 2024
Sudoku (Fill-in)
5cw
164
86ms
11 Mar 2024
Sudoku (Fill-in)
mathisfun271
470
20ms
6 Mar 2024
Sudoku (Fill-in)
DialFrost
136
1,155ms
14 Feb 2024
Sudoku (Fill-in)
rsgray
468
628ms
7 Feb 2024
Sudoku (Fill-in)
SirBogman
117
217ms
22 Jan 2024
Sudoku (Fill-in)
yuchuehw
410
24ms
17 Jan 2024
Sudoku (Fill-in)
hallvabo
109
41ms
31 Dec 2023
Sudoku (Fill-in)
commandz0
358
53ms
31 Oct 2023
Sudoku (Fill-in)
FlorianCassayre
250
289ms
18 Sep 2023
Sudoku (Fill-in)
StefanHabel
297
17ms
4 Sep 2023
Sudoku (Fill-in)
SB-945
164
772ms
31 Aug 2023
Sudoku (Fill-in)
stefangimmillaro
217
817ms
17 Aug 2023
Sudoku (Fill-in)
FortuiteMan
203
310ms
6 Aug 2023
Sudoku (Fill-in)
bizy-coder
188
93ms
4 Aug 2023
Sudoku (Fill-in)
AlexanderFair
270
266ms
31 Jul 2023
Sudoku (Fill-in)
msbranicky
704
18ms
26 Jul 2023
Sudoku (Fill-in)
janbehrens
441
481ms
17 Jun 2023
Sudoku (Fill-in)
Yewzir
567
1,266ms
11 Jun 2023
Sudoku (Fill-in)
TaserTheFox
428
715ms
23 May 2023
Sudoku (Fill-in)
eiburns
441
43ms
10 May 2023
Sudoku (Fill-in)
adamnielson42
263
103ms
25 Apr 2023
Sudoku (Fill-in)
galloj
620
20ms
24 Feb 2023
Sudoku (Fill-in)
aksyristos
632
43ms
27 Jan 2023
Sudoku (Fill-in)
scpchicken
300
87ms
7 Jan 2023
Sudoku (Fill-in)
prplz
225
1,190ms
6 Jan 2023
Sudoku (Fill-in)
za3k
793
185ms
14 Dec 2022
Sudoku (Fill-in)
QuincyNash
547
1,912ms
4 Dec 2022
Sudoku (Fill-in)
jakobkordez
178
316ms
2 Nov 2022
Sudoku (Fill-in)
bricknellj
178
37ms
2 Nov 2022
Sudoku (Fill-in)
ValentinCassayre
620
261ms
19 Oct 2022