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All
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)
gigaprofisi
1,612
27ms
16 days ago
Sudoku (Fill-in)
emgordon154
176
2,415ms
2 Oct 2025
Sudoku (Fill-in)
CaedenHarper
525
15ms
28 Aug 2025
Sudoku (Fill-in)
sean-niemann
167
2,972ms
26 Aug 2025
Sudoku (Fill-in)
acollett89
1,782
14ms
11 Jul 2025
Sudoku (Fill-in)
Lv0Sys
1,365
14ms
22 Jun 2025
Sudoku (Fill-in)
madeforlosers
806
54ms
14 Jan 2025
Sudoku (Fill-in)
ovs-code
180
332ms
21 Nov 2024
Sudoku (Fill-in)
LukeBridges
559
12ms
24 Sep 2024
Sudoku (Fill-in)
PumpedSardines
299
11ms
18 Sep 2024
Sudoku (Fill-in)
helbling
236
18ms
12 Sep 2024
Sudoku (Fill-in)
JayXon
🥈
165
95ms
12 Sep 2024
Sudoku (Fill-in)
janbehrens
427
523ms
2 Sep 2024
Sudoku (Fill-in)
vlpx
168
58ms
18 Jun 2024
Sudoku (Fill-in)
Steffan153
🥉
166
4,124ms
12 Mar 2024
Sudoku (Fill-in)
coreynash
478
22ms
4 Mar 2024
Sudoku (Fill-in)
two-bad
633
57ms
25 Feb 2024
Sudoku (Fill-in)
dmrichwa
205
717ms
30 Oct 2023
Sudoku (Fill-in)
Argeento
208
28ms
27 Sep 2023
Sudoku (Fill-in)
zakariamouhid
1,244
47ms
20 May 2023
Sudoku (Fill-in)
GeorgeStechman
1,104
19ms
9 May 2023
Sudoku (Fill-in)
jared-hughes
180
444ms
13 Feb 2023
Sudoku (Fill-in)
rucin93
208
67ms
28 Nov 2022
Sudoku (Fill-in)
KatieLG
362
18ms
28 Nov 2022
Sudoku (Fill-in)
nwellnhof
💎
159
2,937ms
3 Oct 2022
Sudoku (Fill-in)
KatieLG-Transpiler
2,825
15ms
2 Jul 2022
Sudoku (Fill-in)
tayloia
224
26ms
1 Jun 2022
Sudoku (Fill-in)
Irratix
222
23ms
16 May 2022
Sudoku (Fill-in)
didion0
290
13ms
19 Apr 2022
Sudoku (Fill-in)
emplv
167
1,547ms
17 Feb 2022
Sudoku (Fill-in)
prplz
176
524ms
25 Dec 2021
Sudoku (Fill-in)
Natanaelel
426
38ms
11 Dec 2021
Sudoku (Fill-in)
MeWhenI
391
21ms
22 Sep 2021
Sudoku (Fill-in)
raphaelimahorn
300
13ms
18 Aug 2021
Sudoku (Fill-in)
aaronze
416
148ms
2 May 2021
Sudoku (Fill-in)
primo-ppcg
193
47ms
26 Apr 2021