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 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 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 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 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 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 376th stefangimmillaro 728 114 13 Oct 2024 377th Shanethegamer 🇺🇸 727 100 24 May 2025 378th anter69 🇭🇺 726 78 1 Oct 2024 379th MeWhenI 🇻🇦 726 88 2 Oct 2024 379th Shanethegamer 🇺🇸 726 88 8 Jan 2025 381st MeWhenI 🇻🇦 725 111 2 Oct 2024 382nd MeWhenI 🇻🇦 725 174 13 Feb 2025 383rd Shanethegamer 🇺🇸 724 101 2 Oct 2024 384th Shanethegamer 🇺🇸 724 126 2 Oct 2024 385th cros107 723 110 1 Jan 2025 385th guilhem-roy 🇫🇷 723 110 29 May 2025 387th dtbao20 🇻🇳 722 89 1 Oct 2024 387th madeforlosers 722 89 17 Oct 2024 387th junkondo-jp 722 89 14 Dec 2024 390th Shanethegamer 🇺🇸 721 156 2 Oct 2024 391st weeble 720 74 1 Jul 2025 392nd Shanethegamer 🇺🇸 719 112 3 Oct 2024 393rd MeWhenI 🇻🇦 718 78 2 Oct 2024 394th voytxt 🇨🇿 718 89 17 Apr 2025 395th mousetail 🇳🇱 716 111 6 Oct 2024 396th annaproxy 715 132 1 Oct 2024 397th alexsave 714 90 28 Oct 2024 398th anter69 🇭🇺 712 67 1 Oct 2024 399th rzv-me 710 95 5 Oct 2024 400th OllieBoyne 🇬🇧 710 112 17 Oct 2024 400th WillConker 710 112 22 Oct 2024 400th maxgodfrey2004 🇨🇦 710 112 4 Jan 2025 400th albanian-laundromat 710 112 16 Jun 2025 404th SirBogman 🇺🇸 709 93 18 days ago 405th snyderek 🇺🇸 708 121 1 Oct 2024 406th Natanaelel 🇸🇪 707 55 1 Mar 2025 407th MeWhenI 🇻🇦 704 73 3 Oct 2024 408th MeWhenI 🇻🇦 704 115 5 Oct 2024 409th DialFrost 🇸🇬 704 132 8 Apr 2025 410th SB-945 703 113 1 Oct 2024 410th Artemis21 🇬🇧 703 113 23 Jan 2025 410th fkantelberg 703 113 11 Jul 2025 413th Shanethegamer 🇺🇸 703 118 2 Oct 2024 414th janlelis 702 68 1 Oct 2024 415th emgordon154 702 76 7 Jun 2025 416th cbrt-x 701 157 1 Oct 2024 417th Alex-x90 🇺🇸 700 100 1 Oct 2024 418th mousetail 🇳🇱 699 133 3 Oct 2024 419th LukeBridges 🇬🇧 698 92 3 Oct 2024 420th HumanoidCPU 697 114 7 Mar 2025 421st BlankSpruce 697 123 1 Oct 2024 422nd Shanethegamer 🇺🇸 693 41 4 Oct 2024 423rd emgordon154 693 101 25 Nov 2024 424th emgordon154 693 134 25 Feb 2025 425th albanian-laundromat 692 147 30 Jun 2025 426th tobeannouncd 692 159 13 Dec 2024 427th Salutations45 691 93 17 Nov 2024 427th strattonwhisler 691 93 26 Mar 2025 429th jipsong 🇩🇪 691 115 12 May 2025 430th Alex-x90 🇺🇸 691 124 1 Oct 2024 430th Herbert00709 🇵🇱 691 124 14 Jun 2025 432nd pardouin 🇫🇷 688 57 3 Oct 2024 433rd MeWhenI 🇻🇦 686 68 2 Oct 2024 434th NickTheEASDude 🇺🇸 686 115 17 Dec 2024 435th Bmrl7 685 116 3 Oct 2024 435th rowechenzhong 685 116 17 Oct 2024 437th Lv0Sys 🇵🇱 683 94 15 Jun 2025 438th error256 681 104 14 Oct 2024 439th CatsAreFluffy 680 53 27 Dec 2024 440th madex 🇩🇪 679 103 2 Oct 2024 441st dtbao20 🇻🇳 679 117 1 Oct 2024 441st Pyroan 679 117 22 Feb 2025 441st vgamula 🇺🇦 679 117 5 days ago 444th plcc0 676 37 6 Apr 2025 445th Shanethegamer 🇺🇸 676 65 1 Oct 2024 446th the-zammers 675 163 1 Dec 2024 447th elgan65536 674 118 2 Oct 2024 447th logvp 674 118 6 Oct 2024 447th ahmetdemirag 🇨🇾 674 118 6 Feb 2025 447th plcc0 674 118 6 Apr 2025 Prev 376–450 of 734 Next