Card Number Validation in all languages in chars. 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th Shanethegamer 🇺🇸 687 83 5 Oct 2024 377th emgordon154 687 111 12 Jan 2025 378th NickTheEASDude 🇺🇸 686 115 17 Dec 2024 379th MeWhenI 🇻🇦 684 68 2 Oct 2024 380th DialFrost 🇸🇬 684 94 1 Oct 2024 381st error256 681 104 14 Oct 2024 382nd ovs-code 🇩🇪 679 84 3 Oct 2024 383rd madex 🇩🇪 678 103 2 Oct 2024 384th Shanethegamer 🇺🇸 674 65 1 Oct 2024 385th BlankSpruce 672 104 1 Oct 2024 386th the-zammers 672 163 1 Dec 2024 387th snoozingnewt 🇺🇸 669 96 3 days ago 388th error256 668 101 24 Oct 2024 389th tailorspy 668 128 4 Oct 2024 390th aDwarfNamedUrist 668 164 16 Oct 2024 391st HumanoidCPU 666 96 26 days ago 392nd jwhear 🇺🇸 666 197 1 Oct 2024 393rd two-bad 🇬🇧 660 97 2 Oct 2024 394th rniii 659 106 2 Oct 2024 394th gastropner 659 106 11 Feb 2025 396th 4hg 🇺🇸 657 59 5 Oct 2024 397th MeWhenI 🇻🇦 657 88 2 Oct 2024 397th Shanethegamer 🇺🇸 657 88 5 Oct 2024 399th MeWhenI 🇻🇦 656 98 1 Oct 2024 399th GolfingSuccess 🇬🇷 656 98 5 Oct 2024 399th firegene 🇮🇪 656 98 21 Oct 2024 399th JunkIce 656 98 3 Dec 2024 403rd dbut2 🇦🇺 656 179 31 Oct 2024 404th Ripick 655 135 10 days ago 405th DialFrost 🇸🇬 653 67 22 Dec 2024 406th BambooleanLogic 🇸🇪 653 98 21 Oct 2024 407th RyanMHsiao 652 201 1 Oct 2024 408th rucin93 🇵🇱 651 144 28 Oct 2024 409th SirBogman 🇺🇸 649 99 8 Oct 2024 410th MeWhenI 🇻🇦 648 88 2 Oct 2024 411th bac0id 644 180 9 Jan 2025 412th voytxt 🇨🇿 643 90 1 Oct 2024 413th FlorianCassayre 🇫🇷 643 100 1 Oct 2024 413th bzijlema 643 100 10 Oct 2024 413th bricknellj 643 100 4 Mar 2025 416th elgan65536 642 146 2 Oct 2024 417th w911 642 183 7 Oct 2024 418th Antibrain0 641 123 8 Nov 2024 419th stefangimmillaro 638 73 1 Oct 2024 420th btjones0 636 101 2 Dec 2024 421st Jonatan6 🇩🇰 635 110 24 Oct 2024 422nd CaedenHarper 🇨🇦 635 185 3 Jan 2025 423rd DialFrost 🇸🇬 635 263 5 Mar 2025 424th annaproxy 630 102 1 Oct 2024 424th xyangst 630 102 1 Oct 2024 426th Shanethegamer 🇺🇸 629 74 16 Oct 2024 427th dokutan 627 91 19 Oct 2024 428th AlephSquirrel 625 40 1 Oct 2024 429th msbranicky 625 188 7 Jan 2025 430th ryyyn 624 103 8 Jan 2025 431st tomh1012 621 114 17 Oct 2024 432nd dokutan 621 127 10 Dec 2024 433rd codereport 🇨🇦 615 63 2 Oct 2024 434th MarcMush 🇫🇷 615 91 8 Oct 2024 435th BalaM314 615 104 4 Feb 2025 436th Schmitt-Very-Cool 613 189 3 Feb 2025 437th fourth-bit 612 105 1 Oct 2024 437th jared-hughes 612 105 3 Oct 2024 437th mattyhempstead 612 105 7 Oct 2024 440th olleicua 🇺🇸 610 78 18 Oct 2024 441st Shanethegamer 🇺🇸 609 154 3 Oct 2024 442nd emgordon154 609 156 13 Dec 2024 443rd davecame 606 106 1 Oct 2024 443rd starfihs 606 106 2 Oct 2024 443rd rschwa6308 🇺🇸 606 106 28 Oct 2024 443rd snydej 606 106 21 Nov 2024 447th bac0id 606 141 10 Jan 2025 448th Seanharrs 605 117 15 Nov 2024 449th Shanethegamer 🇺🇸 604 217 4 Oct 2024 450th alemelis 602 93 1 Oct 2024 Prev 376–450 of 631 Next