Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 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 Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Hole 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 526th ravnskjaer 🇩🇰 595 195 20 Dec 2024 527th arcpolaris 590 120 28 Jan 2025 528th tatzyr 🇯🇵 588 81 23 Dec 2024 529th edsrzf 🇳🇿 588 113 26 Oct 2024 530th bac0id 588 119 10 Jan 2025 531st luca1339 586 198 4 Nov 2024 532nd DialFrost 🇸🇬 585 67 25 Jan 2025 533rd sciencedjinn 584 136 8 Nov 2024 533rd ihatethefrench 584 136 4 Jan 2025 535th dokutan 584 174 21 Feb 2025 536th olleicua 🇺🇸 581 82 18 Oct 2024 537th Trip-kun 580 136 5 Oct 2024 538th kurkale6ka 579 137 16 Oct 2024 538th 4ndyJ 🇬🇧 579 137 14 Nov 2024 540th MeWhenI 🇻🇦 576 331 2 Oct 2024 541st BREMAUCY 🇫🇷 575 138 2 Oct 2024 542nd Jacob385 575 202 2 Oct 2024 543rd 823126 573 112 13 Nov 2024 543rd dokutan 573 112 6 days ago 545th KatieLG 🇬🇧 572 99 1 Oct 2024 546th scpchicken 🇵🇼 571 139 6 Oct 2024 547th emgordon154 568 44 1 Oct 2024 548th NanduBC 567 140 1 Oct 2024 548th Mikey-Beep 🇬🇧 567 140 7 Oct 2024 548th jmerle 🇳🇱 567 140 10 Jan 2025 548th RobertHoeh 567 140 3 Mar 2025 548th smilesformiles3 567 140 15 days ago 548th artem-aramma 567 140 10 days ago 554th MeWhenI 🇻🇦 567 164 6 Oct 2024 555th FranklinJiaChen 563 141 2 Oct 2024 556th KatieLG 🇬🇧 561 85 12 Jan 2025 557th brimstonetrader 559 142 17 Oct 2024 557th snoozingnewt 🇺🇸 559 142 31 Mar 2025 557th codewrite 🇬🇧 559 142 5 May 2025 557th RobGLambert 559 142 20 days ago 561st aliakseikalosha 557 127 10 Oct 2024 562nd GeneralFabian 555 143 9 Dec 2024 562nd CutSandstone 555 143 30 Jan 2025 562nd kistlerf 🇨🇭 555 143 19 May 2025 565th MeWhenI 🇻🇦 554 290 2 Oct 2024 566th madex 🇩🇪 553 116 1 Oct 2024 567th JDiLenarda 🇫🇷 553 165 1 Oct 2024 568th edsrzf 🇳🇿 551 135 27 Feb 2025 569th hiichbindermax 551 144 2 Oct 2024 569th mathisfun271 551 144 14 Oct 2024 569th bob-th 551 144 22 Oct 2024 572nd msbranicky 550 185 20 Jan 2025 573rd KatieLG 🇬🇧 548 120 1 Oct 2024 574th mousetail 🇳🇱 547 94 3 Oct 2024 575th JunkIce 547 145 3 Dec 2024 576th emgordon154 546 52 3 Nov 2024 577th mousetail 🇳🇱 546 128 3 Oct 2024 578th zakariamouhid 544 118 1 Oct 2024 579th croc54 544 146 15 Dec 2024 580th xyangst 543 171 1 Oct 2024 581st najs91 540 131 15 Oct 2024 581st bac0id 540 131 9 Jan 2025 583rd PyryL 🇫🇮 540 147 1 Mar 2025 584th eranws 539 119 23 Dec 2024 585th dokutan 539 122 19 Oct 2024 586th Sciman101 536 147 26 Mar 2025 587th mbittner20 536 148 13 Oct 2024 588th msbranicky 531 175 13 Dec 2024 589th deancureton 530 121 30 Dec 2024 590th FlorianCassayre 🇫🇷 529 150 1 Oct 2024 590th jameswmccarty 529 150 5 Oct 2024 590th yousefalizadeh 529 150 23 Oct 2024 590th feherd 529 150 31 Oct 2024 590th RaBa21 529 150 4 May 2025 590th TheZwierzLF 🇵🇱 529 150 17 May 2025 596th janAkali 🇷🇺 529 167 8 Oct 2024 597th msbranicky 527 126 9 Jan 2025 598th galloj 🇨🇿 522 112 4 Oct 2024 599th adamnielson42 🇺🇸 522 152 6 Oct 2024 599th voidgloom 522 152 22 Oct 2024 Prev 526–600 of 694 Next