All Holes 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 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 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper 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 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal

Bytes Chars

Hole	Golfer	Chars	Time	Submitted
Card Number Validation	namelessiw	119	629ms	21 days ago
Card Number Validation	stefangimmillaro	🥉 115	355ms	25 days ago
Card Number Validation	CaedenHarper	140	630ms	27 days ago
Card Number Validation	Schmitt-Very-Cool	159	370ms	26 Sep 2025
Card Number Validation	JayXon	💎 103	619ms	25 Sep 2025
Card Number Validation	nwellnhof	🥈 105	436ms	25 Sep 2025
Card Number Validation	error256	116	496ms	24 Sep 2025
Card Number Validation	sean-niemann	🥉 115	377ms	24 Sep 2025
Card Number Validation	Shanethegamer	120	349ms	24 Sep 2025
Card Number Validation	DialFrost	121	472ms	24 Sep 2025
Card Number Validation	edsrzf	117	511ms	24 Sep 2025
Card Number Validation	Macweese	178	342ms	3 Aug 2025
Card Number Validation	vkptimon	776	322ms	9 Jul 2025
Card Number Validation	Apataras	145	589ms	25 Jun 2025
Card Number Validation	yoshykai	183	347ms	12 Apr 2025
Card Number Validation	bac0id	180	567ms	9 Jan 2025
Card Number Validation	ravnskjaer	195	414ms	20 Dec 2024
Card Number Validation	h3ra993huskp	159	336ms	25 Nov 2024
Card Number Validation	luca1339	198	575ms	4 Nov 2024
Card Number Validation	MeWhenI	142	508ms	2 Oct 2024
Card Number Validation	Jacob385	202	483ms	2 Oct 2024