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Fennel
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Hy
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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
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
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
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Sudoku (Fill-in)
sean-niemann
112
483ms
11 hours ago
Sudoku (Fill-in)
blaztoma
💎
262
156ms
29 hours ago
Sudoku (Fill-in)
dokutan
387
15ms
3 days ago
Sudoku (Fill-in)
TheZwierzLF
478
117ms
3 days ago
Sudoku (Fill-in)
TheZwierzLF
554
63ms
5 days ago
Sudoku (Fill-in)
JOrE20
405
13ms
6 days ago
Sudoku (Fill-in)
acotis
🥉
323
239ms
6 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
175
2,223ms
6 days ago
Sudoku (Fill-in)
canissimia
💎
112
4,645ms
9 days ago
Sudoku (Fill-in)
KatieLG
2,318
844ms
9 days ago
Sudoku (Fill-in)
canissimia
💎
110
109ms
11 days ago
Sudoku (Fill-in)
canissimia
💎
150
3,532ms
11 days ago
Sudoku (Fill-in)
kmathis22
676
562ms
12 days ago
Sudoku (Fill-in)
snoozingnewt
🥈
343
131ms
12 days ago
Sudoku (Fill-in)
blaztoma
244
42ms
13 days ago
Sudoku (Fill-in)
blaztoma
173
67ms
13 days ago
Sudoku (Fill-in)
bzijlema
178
51ms
14 days ago
Sudoku (Fill-in)
blaztoma
276
18ms
17 days ago
Sudoku (Fill-in)
blaztoma
🥈
454
26ms
17 days ago
Sudoku (Fill-in)
blaztoma
🥉
312
12ms
17 days ago
Sudoku (Fill-in)
blaztoma
🥉
508
158ms
20 days ago
Sudoku (Fill-in)
dokutan
451
472ms
25 days ago
Sudoku (Fill-in)
tomh1012
729
473ms
25 days ago
Sudoku (Fill-in)
Lv0Sys
403
38ms
25 days ago
Sudoku (Fill-in)
Lv0Sys
633
17ms
25 days ago
Sudoku (Fill-in)
Lv0Sys
625
14ms
26 days ago
Sudoku (Fill-in)
emgordon154
💎
222
4,307ms
26 days ago
Sudoku (Fill-in)
snoozingnewt
157
435ms
1 Dec 2025
Sudoku (Fill-in)
snoozingnewt
161
56ms
1 Dec 2025
Sudoku (Fill-in)
CornerMercury
137
135ms
1 Dec 2025
Sudoku (Fill-in)
h3ra993huskp
903
904ms
30 Nov 2025
Sudoku (Fill-in)
AidanWalter
2,304
25ms
28 Nov 2025
Sudoku (Fill-in)
bitsandbeyond
💎
111
740ms
23 Nov 2025
Sudoku (Fill-in)
snoozingnewt
380
224ms
23 Nov 2025
Sudoku (Fill-in)
snoozingnewt
💎
161
247ms
22 Nov 2025
Sudoku (Fill-in)
snoozingnewt
326
723ms
20 Nov 2025
Sudoku (Fill-in)
CaedenHarper
546
295ms
20 Nov 2025
Sudoku (Fill-in)
Yax42
276
425ms
17 Nov 2025
Sudoku (Fill-in)
edsrzf
💎
153
1,481ms
10 Nov 2025
Sudoku (Fill-in)
MeWhenI
🥉
613
3,271ms
7 Nov 2025
Sudoku (Fill-in)
MeWhenI
🥈
228
850ms
7 Nov 2025
Sudoku (Fill-in)
albanian-laundromat
🥉
150
3,196ms
7 Nov 2025
Sudoku (Fill-in)
Natanaelel
187
15ms
5 Nov 2025
Sudoku (Fill-in)
gigaprofisi
1,308
25ms
4 Nov 2025
Sudoku (Fill-in)
ryyyn
174
309ms
1 Nov 2025
Sudoku (Fill-in)
Jacob385
1,241
559ms
28 Oct 2025
Sudoku (Fill-in)
Babafaba
228
683ms
26 Oct 2025
Sudoku (Fill-in)
Babafaba
232
789ms
26 Oct 2025
Sudoku (Fill-in)
sean-niemann
🥇
111
2,092ms
22 Oct 2025
Sudoku (Fill-in)
CaedenHarper
686
442ms
21 Oct 2025
Sudoku (Fill-in)
KatieLG
204
76ms
19 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
🦄
396
2,296ms
18 Oct 2025
Sudoku (Fill-in)
CaedenHarper
719
666ms
9 Oct 2025
Sudoku (Fill-in)
edsrzf
🥉
277
1,554ms
7 Oct 2025
Sudoku (Fill-in)
stefangimmillaro
264
671ms
6 Oct 2025
Sudoku (Fill-in)
KatieLG
224
15ms
5 Oct 2025
Sudoku (Fill-in)
JayXon
💎
142
505ms
4 Oct 2025
Sudoku (Fill-in)
BREMAUCY
189
41ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
134
1,580ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
143
1,836ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥈
143
152ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
253
805ms
3 Oct 2025
Sudoku (Fill-in)
pardouin
95
172ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
236
395ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥉
287
4,527ms
3 Oct 2025
Sudoku (Fill-in)
emgordon154
184
3,733ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
133
1,116ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
138
3,581ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
120
1,035ms
2 Oct 2025
Sudoku (Fill-in)
jerrandolph
718
275ms
1 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
244
61ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
226
425ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
204
3,666ms
29 Sep 2025
Sudoku (Fill-in)
JayXon
💎
220
1,108ms
27 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
132
4,169ms
26 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥈
138
3,860ms
26 Sep 2025
Sudoku (Fill-in)
CaedenHarper
362
4,168ms
25 Sep 2025
Sudoku (Fill-in)
sean-niemann
🥉
243
702ms
24 Sep 2025
Sudoku (Fill-in)
KatieLG
208
306ms
24 Sep 2025
Sudoku (Fill-in)
qpwoeirut
287
68ms
21 Sep 2025