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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
Chars
Time
Submitted
Sudoku (Fill-in)
CornerMercury
166
19ms
28 hours ago
Sudoku (Fill-in)
Yax42
276
357ms
2 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
216
680ms
5 days ago
Sudoku (Fill-in)
blaztoma
286
28ms
6 days ago
Sudoku (Fill-in)
edsrzf
💎
153
1,730ms
9 days ago
Sudoku (Fill-in)
MeWhenI
🥉
613
1,751ms
12 days ago
Sudoku (Fill-in)
MeWhenI
🥈
228
516ms
12 days ago
Sudoku (Fill-in)
albanian-laundromat
🥉
150
2,528ms
12 days ago
Sudoku (Fill-in)
Natanaelel
187
11ms
14 days ago
Sudoku (Fill-in)
CaedenHarper
548
320ms
16 days ago
Sudoku (Fill-in)
gigaprofisi
1,308
27ms
16 days ago
Sudoku (Fill-in)
snoozingnewt
🥉
1,080
281ms
16 days ago
Sudoku (Fill-in)
ryyyn
174
181ms
18 days ago
Sudoku (Fill-in)
Jacob385
1,241
412ms
23 days ago
Sudoku (Fill-in)
snoozingnewt
325
388ms
24 days ago
Sudoku (Fill-in)
snoozingnewt
329
13ms
24 days ago
Sudoku (Fill-in)
Babafaba
228
755ms
25 days ago
Sudoku (Fill-in)
Babafaba
232
334ms
25 days ago
Sudoku (Fill-in)
sean-niemann
🥇
111
3,030ms
22 Oct 2025
Sudoku (Fill-in)
CaedenHarper
686
436ms
21 Oct 2025
Sudoku (Fill-in)
KatieLG
204
34ms
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)
bitsandbeyond
💎
117
871ms
14 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)
stefangimmillaro
264
481ms
6 Oct 2025
Sudoku (Fill-in)
KatieLG
224
11ms
5 Oct 2025
Sudoku (Fill-in)
JayXon
💎
142
891ms
4 Oct 2025
Sudoku (Fill-in)
BREMAUCY
189
86ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
134
4,441ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
143
3,088ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥈
143
116ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
253
509ms
3 Oct 2025
Sudoku (Fill-in)
pardouin
95
148ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
236
198ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥉
287
342ms
3 Oct 2025
Sudoku (Fill-in)
emgordon154
184
393ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
133
2,741ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
138
4,606ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
120
1,006ms
2 Oct 2025
Sudoku (Fill-in)
jerrandolph
718
291ms
1 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
244
65ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
226
499ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
204
3,316ms
29 Sep 2025
Sudoku (Fill-in)
JayXon
💎
220
539ms
27 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
132
3,076ms
26 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥈
138
3,836ms
26 Sep 2025
Sudoku (Fill-in)
CaedenHarper
362
4,162ms
25 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥉
243
531ms
24 Sep 2025
Sudoku (Fill-in)
KatieLG
208
918ms
24 Sep 2025
Sudoku (Fill-in)
qpwoeirut
287
59ms
21 Sep 2025
Sudoku (Fill-in)
albanian-laundromat
144
18ms
16 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)
albanian-laundromat
146
529ms
12 Sep 2025
Sudoku (Fill-in)
cros107
215
228ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
412
491ms
6 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
416
12ms
6 Sep 2025
Sudoku (Fill-in)
commandblockguy
339
1,714ms
1 Sep 2025
Sudoku (Fill-in)
InigoK
182
713ms
29 Aug 2025
Sudoku (Fill-in)
CaedenHarper
523
15ms
28 Aug 2025
Sudoku (Fill-in)
sean-niemann
113
482ms
26 Aug 2025
Sudoku (Fill-in)
sean-niemann
120
45ms
26 Aug 2025
Sudoku (Fill-in)
sean-niemann
🥈
146
3,616ms
25 Aug 2025
Sudoku (Fill-in)
sean-niemann
💎
89
269ms
25 Aug 2025
Sudoku (Fill-in)
pardouin
169
1,997ms
16 Aug 2025
Sudoku (Fill-in)
primo-ppcg
💎
542
27ms
13 Aug 2025
Sudoku (Fill-in)
AdrienHache
🥈
209
518ms
13 Aug 2025
Sudoku (Fill-in)
Kacarott
🥈
334
1,003ms
8 Aug 2025
Sudoku (Fill-in)
Zhenyu-Bo
1,900
14ms
1 Aug 2025
Sudoku (Fill-in)
LuisGoncalves05
2,176
231ms
31 Jul 2025
Sudoku (Fill-in)
namelessiw
223
510ms
22 Jul 2025