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 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 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 301st sean-niemann 🇺🇸 771 105 1 Oct 2024 302nd emgordon154 770 83 18 Nov 2024 303rd sisyphus-ppcg 🇦🇺 769 62 3 Oct 2024 304th retrohun 769 63 2 Oct 2024 305th DialFrost 🇸🇬 769 91 1 Oct 2024 306th Natanaelel 🇸🇪 769 143 20 Apr 2025 307th lifthrasiir 🇰🇷 767 37 27 Nov 2024 308th targrik 766 88 7 Feb 2025 309th Waffle3z 765 103 2 Oct 2024 310th didion0 🇺🇸 764 84 10 Jan 2025 311th jatloe 764 104 1 Oct 2024 312th Shanethegamer 🇺🇸 763 124 4 Oct 2024 313th DialFrost 🇸🇬 763 131 11 Dec 2024 314th GolfingSuccess 🇬🇷 762 70 6 Jun 2025 315th ovs-code 🇩🇪 762 122 25 Apr 2025 316th GrayJoKing 🇦🇺 761 79 1 Oct 2024 317th MeWhenI 🇻🇦 761 109 2 Oct 2024 317th edsrzf 🇳🇿 761 109 10 days ago 319th MeWhenI 🇻🇦 758 89 2 Oct 2024 320th sean-niemann 🇺🇸 758 96 25 May 2025 321st Shanethegamer 🇺🇸 758 132 2 Oct 2024 322nd emgordon154 757 63 18 Nov 2024 322nd SirBogman 🇺🇸 757 63 13 days ago 324th fourth-bit 757 105 1 Oct 2024 324th jared-hughes 757 105 3 Oct 2024 324th mattyhempstead 757 105 7 Oct 2024 327th weliveinhell 🇭🇹 755 85 1 Oct 2024 327th SteRoy 755 85 13 May 2025 329th sean-niemann 🇺🇸 753 93 24 Oct 2024 330th davecame 750 106 1 Oct 2024 330th starfihs 750 106 2 Oct 2024 330th rschwa6308 🇺🇸 750 106 28 Oct 2024 330th snydej 750 106 21 Nov 2024 330th andrewjc2000 750 106 16 days ago 335th MeWhenI 🇻🇦 749 88 2 Oct 2024 336th GrayJoKing 🇦🇺 749 90 1 Oct 2024 337th stackofbears 748 52 14 Mar 2025 338th 0xjac 🇨🇭 748 158 17 Jun 2025 339th rak1507 🇬🇧 747 38 30 Dec 2024 340th Maznek 747 86 4 Oct 2024 341st MeWhenI 🇻🇦 746 89 24 Oct 2024 342nd Shanethegamer 🇺🇸 745 64 3 Oct 2024 342nd Andriamanitra 🇫🇮 745 64 5 Oct 2024 344th stefangimmillaro 745 94 30 Oct 2024 345th MeWhenI 🇻🇦 744 106 2 Oct 2024 346th sean-niemann 🇺🇸 743 93 24 Oct 2024 347th commandblockguy 🇺🇸 743 107 7 Oct 2024 347th zbreit 🇺🇸 743 107 29 Oct 2024 347th StardustGogeta 743 107 30 Oct 2024 347th ZakkkkAttackkkk 🇵🇭 743 107 8 Feb 2025 351st DialFrost 🇸🇬 742 106 13 Dec 2024 352nd SirBogman 🇺🇸 741 63 10 days ago 353rd sean-niemann 🇺🇸 739 116 24 Oct 2024 354th KrausRaus 🇺🇸 738 87 1 Oct 2024 354th GeorgeStechman 🇬🇧 738 87 24 Oct 2024 354th coreynash 738 87 13 Feb 2025 357th Shanethegamer 🇺🇸 738 90 28 Oct 2024 358th DialFrost 🇸🇬 737 76 9 Oct 2024 359th neihousaigaai 736 108 4 Oct 2024 359th StefanHabel 🇨🇦 736 108 23 Jan 2025 359th CaedenHarper 🇨🇦 736 108 11 days ago 362nd MeWhenI 🇻🇦 735 34 2 Oct 2024 363rd MeWhenI 🇻🇦 734 162 2 Oct 2024 364th stefangimmillaro 733 92 2 Oct 2024 364th Shanethegamer 🇺🇸 733 92 3 Oct 2024 366th Shanethegamer 🇺🇸 733 116 1 Oct 2024 367th h3ra993huskp 🇯🇵 733 159 25 Nov 2024 368th Shanethegamer 🇺🇸 733 172 2 Oct 2024 369th MeWhenI 🇻🇦 733 179 2 Oct 2024 370th lifthrasiir 🇰🇷 732 90 2 Dec 2024 371st kirjavascript 730 88 15 Mar 2025 372nd Shanethegamer 🇺🇸 729 96 3 Oct 2024 373rd Shanethegamer 🇺🇸 729 121 3 Oct 2024 374th stefangimmillaro 728 114 13 Oct 2024 375th Shanethegamer 🇺🇸 727 100 24 May 2025 Prev 301–375 of 730 Next