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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
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
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Sudoku (Fill-in)
bitsandbeyond
💎
178
709ms
16 hours ago
Sudoku (Fill-in)
snoozingnewt
380
218ms
22 hours ago
Sudoku (Fill-in)
snoozingnewt
🥉
258
107ms
3 days ago
Sudoku (Fill-in)
snoozingnewt
🥉
326
713ms
3 days ago
Sudoku (Fill-in)
snoozingnewt
291
126ms
3 days ago
Sudoku (Fill-in)
CaedenHarper
546
284ms
3 days ago
Sudoku (Fill-in)
CornerMercury
327
22ms
5 days ago
Sudoku (Fill-in)
Yax42
276
415ms
7 days ago
Sudoku (Fill-in)
albanian-laundromat
🥉
250
2,341ms
7 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
373
1,087ms
9 days ago
Sudoku (Fill-in)
blaztoma
286
28ms
10 days ago
Sudoku (Fill-in)
edsrzf
💎
244
1,442ms
14 days ago
Sudoku (Fill-in)
MeWhenI
🥉
614
1,751ms
16 days ago
Sudoku (Fill-in)
MeWhenI
🥈
228
516ms
16 days ago
Sudoku (Fill-in)
Natanaelel
187
11ms
19 days ago
Sudoku (Fill-in)
gigaprofisi
1,612
29ms
20 days ago
Sudoku (Fill-in)
ryyyn
174
181ms
22 days ago
Sudoku (Fill-in)
Jacob385
1,547
412ms
27 days ago
Sudoku (Fill-in)
snoozingnewt
599
1,448ms
27 Oct 2025
Sudoku (Fill-in)
Babafaba
396
1,740ms
26 Oct 2025
Sudoku (Fill-in)
Babafaba
413
276ms
26 Oct 2025
Sudoku (Fill-in)
JayXon
💎
165
356ms
22 Oct 2025
Sudoku (Fill-in)
sean-niemann
🥈
166
1,350ms
22 Oct 2025
Sudoku (Fill-in)
CaedenHarper
686
430ms
21 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
235
15ms
19 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
229
1,098ms
19 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
🦄
396
1,673ms
18 Oct 2025
Sudoku (Fill-in)
blaztoma
380
50ms
16 Oct 2025
Sudoku (Fill-in)
CaedenHarper
719
549ms
9 Oct 2025
Sudoku (Fill-in)
bzijlema
178
293ms
8 Oct 2025
Sudoku (Fill-in)
edsrzf
🥈
277
261ms
7 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
183
2,065ms
6 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
140
4,441ms
6 Oct 2025
Sudoku (Fill-in)
stefangimmillaro
264
481ms
6 Oct 2025
Sudoku (Fill-in)
JayXon
💎
185
212ms
4 Oct 2025
Sudoku (Fill-in)
BREMAUCY
327
39ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
151
3,088ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥈
187
66ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
253
509ms
3 Oct 2025
Sudoku (Fill-in)
pardouin
138
406ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
236
119ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
287
342ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
361
54ms
3 Oct 2025
Sudoku (Fill-in)
emgordon154
192
393ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
141
2,741ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
176
2,470ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
190
997ms
2 Oct 2025
Sudoku (Fill-in)
jerrandolph
724
291ms
1 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
226
499ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
204
3,316ms
29 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥈
208
4,880ms
27 Sep 2025
Sudoku (Fill-in)
JayXon
💎
220
539ms
27 Sep 2025
Sudoku (Fill-in)
CaedenHarper
362
4,121ms
25 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥉
243
531ms
24 Sep 2025
Sudoku (Fill-in)
KatieLG
373
918ms
24 Sep 2025
Sudoku (Fill-in)
qpwoeirut
287
59ms
21 Sep 2025
Sudoku (Fill-in)
InigoK
297
2,521ms
18 Sep 2025
Sudoku (Fill-in)
CaedenHarper
310
60ms
15 Sep 2025
Sudoku (Fill-in)
CaedenHarper
298
1,793ms
15 Sep 2025
Sudoku (Fill-in)
emgordon154
126
93ms
13 Sep 2025
Sudoku (Fill-in)
cros107
215
228ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
769
2,277ms
6 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
782
12ms
6 Sep 2025
Sudoku (Fill-in)
albanian-laundromat
💎
288
79ms
1 Sep 2025
Sudoku (Fill-in)
commandblockguy
339
1,714ms
1 Sep 2025
Sudoku (Fill-in)
CaedenHarper
525
16ms
28 Aug 2025
Sudoku (Fill-in)
sean-niemann
180
652ms
26 Aug 2025
Sudoku (Fill-in)
sean-niemann
167
1,641ms
26 Aug 2025
Sudoku (Fill-in)
sean-niemann
189
47ms
26 Aug 2025
Sudoku (Fill-in)
sean-niemann
🥈
146
3,616ms
25 Aug 2025
Sudoku (Fill-in)
sean-niemann
🥇
128
100ms
25 Aug 2025
Sudoku (Fill-in)
kg583
🥈
335
1,200ms
25 Aug 2025
Sudoku (Fill-in)
pardouin
169
1,997ms
16 Aug 2025
Sudoku (Fill-in)
ndren
578
31ms
14 Aug 2025
Sudoku (Fill-in)
primo-ppcg
💎
542
27ms
13 Aug 2025