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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
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CSS Grid
Ellipse Perimeters
Flags
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Gray Code Decoder
Gray Code Encoder
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Highly Composite Numbers
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p-adic Expansion
Polygon Triangulations
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Semiprime Numbers
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Tutorial
Hole
Golfer
Bytes
Time
Submitted
Sudoku (Fill-in)
blaztoma
276
18ms
8 mins ago
Sudoku (Fill-in)
blaztoma
🥈
454
27ms
84 mins ago
Sudoku (Fill-in)
blaztoma
🥉
312
12ms
5 hours ago
Sudoku (Fill-in)
blaztoma
176
37ms
6 hours ago
Sudoku (Fill-in)
MeWhenI
196
333ms
21 hours ago
Sudoku (Fill-in)
blaztoma
249
195ms
21 hours ago
Sudoku (Fill-in)
blaztoma
🥉
508
158ms
3 days ago
Sudoku (Fill-in)
kg583
🥈
334
407ms
3 days ago
Sudoku (Fill-in)
tomh1012
773
473ms
8 days ago
Sudoku (Fill-in)
Lv0Sys
527
37ms
8 days ago
Sudoku (Fill-in)
Lv0Sys
691
17ms
8 days ago
Sudoku (Fill-in)
Lv0Sys
679
17ms
8 days ago
Sudoku (Fill-in)
emgordon154
💎
228
4,307ms
9 days ago
Sudoku (Fill-in)
dokutan
850
2,137ms
10 days ago
Sudoku (Fill-in)
dokutan
852
30ms
10 days ago
Sudoku (Fill-in)
JOrE20
776
11ms
11 days ago
Sudoku (Fill-in)
snoozingnewt
🥈
348
135ms
11 days ago
Sudoku (Fill-in)
snoozingnewt
263
1,037ms
11 days ago
Sudoku (Fill-in)
snoozingnewt
271
53ms
11 days ago
Sudoku (Fill-in)
CornerMercury
238
43ms
12 days ago
Sudoku (Fill-in)
h3ra993huskp
1,111
904ms
13 days ago
Sudoku (Fill-in)
AidanWalter
2,614
25ms
15 days ago
Sudoku (Fill-in)
ndren
343
49ms
17 days ago
Sudoku (Fill-in)
bitsandbeyond
💎
178
790ms
19 days ago
Sudoku (Fill-in)
snoozingnewt
380
224ms
20 days ago
Sudoku (Fill-in)
snoozingnewt
🥉
258
120ms
22 days ago
Sudoku (Fill-in)
snoozingnewt
🥉
326
723ms
22 days ago
Sudoku (Fill-in)
CaedenHarper
546
295ms
22 days ago
Sudoku (Fill-in)
Yax42
276
429ms
26 days ago
Sudoku (Fill-in)
albanian-laundromat
🥈
250
2,960ms
26 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
373
1,844ms
15 Nov 2025
Sudoku (Fill-in)
edsrzf
💎
244
1,089ms
10 Nov 2025
Sudoku (Fill-in)
MeWhenI
🥉
614
3,271ms
7 Nov 2025
Sudoku (Fill-in)
MeWhenI
🥈
228
850ms
7 Nov 2025
Sudoku (Fill-in)
Natanaelel
187
15ms
5 Nov 2025
Sudoku (Fill-in)
gigaprofisi
1,612
25ms
4 Nov 2025
Sudoku (Fill-in)
ryyyn
174
1,563ms
1 Nov 2025
Sudoku (Fill-in)
Jacob385
1,547
559ms
28 Oct 2025
Sudoku (Fill-in)
Babafaba
396
1,529ms
26 Oct 2025
Sudoku (Fill-in)
Babafaba
413
337ms
26 Oct 2025
Sudoku (Fill-in)
JayXon
💎
165
242ms
22 Oct 2025
Sudoku (Fill-in)
sean-niemann
🥈
166
1,535ms
22 Oct 2025
Sudoku (Fill-in)
CaedenHarper
686
480ms
21 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
235
33ms
19 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
229
1,055ms
19 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
🦄
396
2,586ms
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)
edsrzf
💎
183
4,251ms
6 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
140
1,580ms
6 Oct 2025
Sudoku (Fill-in)
stefangimmillaro
264
671ms
6 Oct 2025
Sudoku (Fill-in)
JayXon
💎
185
938ms
4 Oct 2025
Sudoku (Fill-in)
BREMAUCY
327
34ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
💎
151
1,836ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
🥈
187
104ms
3 Oct 2025
Sudoku (Fill-in)
edsrzf
253
805ms
3 Oct 2025
Sudoku (Fill-in)
pardouin
138
167ms
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)
edsrzf
💎
361
69ms
3 Oct 2025
Sudoku (Fill-in)
emgordon154
192
3,733ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
141
1,990ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
176
2,271ms
2 Oct 2025
Sudoku (Fill-in)
emgordon154
190
627ms
2 Oct 2025
Sudoku (Fill-in)
jerrandolph
724
275ms
1 Oct 2025
Sudoku (Fill-in)
edsrzf
💎
226
425ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
204
3,622ms
29 Sep 2025
Sudoku (Fill-in)
JayXon
💎
220
1,108ms
27 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
373
458ms
24 Sep 2025
Sudoku (Fill-in)
qpwoeirut
287
68ms
21 Sep 2025
Sudoku (Fill-in)
InigoK
297
567ms
18 Sep 2025
Sudoku (Fill-in)
CaedenHarper
310
53ms
15 Sep 2025
Sudoku (Fill-in)
CaedenHarper
298
1,402ms
15 Sep 2025