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 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 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 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 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 226th edsrzf 🇳🇿 804 98 5 Nov 2024 227th kg583 🇺🇸 802 82 1 Oct 2024 227th sean-niemann 🇺🇸 802 82 23 Dec 2024 229th SirBogman 🇺🇸 802 99 8 Oct 2024 230th DialFrost 🇸🇬 802 106 23 Mar 2025 231st edsrzf 🇳🇿 802 147 18 days ago 232nd ovs-code 🇩🇪 801 75 1 Oct 2024 233rd MeWhenI 🇻🇦 801 127 5 Oct 2024 234th stefangimmillaro 801 134 3 Oct 2024 235th Apataras 801 145 6 days ago 236th antimon2 🇯🇵 800 70 9 Oct 2024 237th canissimia 🇦🇶 798 130 4 Oct 2024 238th Shanethegamer 🇺🇸 797 138 3 Oct 2024 239th MeWhenI 🇻🇦 795 88 2 Oct 2024 240th stefangimmillaro 795 89 4 Oct 2024 241st stefangimmillaro 794 87 4 Oct 2024 242nd duckyluuk 🇳🇱 794 99 17 Dec 2024 243rd anter69 🇭🇺 794 100 1 Oct 2024 243rd bzijlema 🇳🇱 794 100 10 Oct 2024 243rd bricknellj 794 100 4 Mar 2025 246th Shanethegamer 🇺🇸 794 102 4 Oct 2024 247th Shanethegamer 🇺🇸 794 128 3 Oct 2024 248th duckyluuk 🇳🇱 793 83 3 Oct 2024 248th emgordon154 793 83 18 Nov 2024 250th DialFrost 🇸🇬 793 85 1 Oct 2024 250th xsot 🇸🇬 793 85 7 Oct 2024 252nd ovs-code 🇩🇪 793 119 1 Oct 2024 253rd AlephSquirrel 793 146 14 May 2025 254th Shanethegamer 🇺🇸 793 208 14 Apr 2025 254th DialFrost 🇸🇬 793 208 18 Apr 2025 256th tayloia 🇬🇧 792 81 3 Oct 2024 256th targrik 792 81 8 Feb 2025 258th edsrzf 🇳🇿 791 76 1 Oct 2024 259th DialFrost 🇸🇬 791 84 26 Oct 2024 260th jared-hughes 791 203 20 Dec 2024 261st saito-ta 🇯🇵 790 74 1 Oct 2024 262nd emgordon154 790 166 2 Oct 2024 263rd pardouin 🇫🇷 789 81 29 Jan 2025 263rd ovs-code 🇩🇪 789 81 17 Apr 2025 265th DialFrost 🇸🇬 789 131 11 Dec 2024 266th kg583 🇺🇸 788 160 13 Feb 2025 266th CLOStrophobic 🇮🇹 788 160 27 Feb 2025 268th MeWhenI 🇻🇦 787 90 2 Oct 2024 269th lifthrasiir 🇰🇷 786 101 21 Nov 2024 269th btjones0 786 101 2 Dec 2024 271st MeWhenI 🇻🇦 786 109 2 Oct 2024 272nd Shanethegamer 🇺🇸 785 88 4 Oct 2024 273rd Shanethegamer 🇺🇸 785 148 3 Oct 2024 274th Natanaelel 🇸🇪 784 48 1 Oct 2024 275th MeWhenI 🇻🇦 784 186 2 Oct 2024 276th ovs-code 🇩🇪 783 84 3 Oct 2024 276th Shanethegamer 🇺🇸 783 84 3 Oct 2024 278th Shanethegamer 🇺🇸 783 132 2 Oct 2024 279th KingSkyrock 🇺🇸 782 82 14 Oct 2024 280th stefangimmillaro 781 61 1 Oct 2024 281st emgordon154 780 151 17 Jan 2025 282nd GrayJoKing 🇦🇺 779 82 1 Oct 2024 283rd DialFrost 🇸🇬 779 149 21 Nov 2024 284th Shanethegamer 🇺🇸 778 91 3 Oct 2024 285th annaproxy 778 102 1 Oct 2024 286th m-tkach 🇺🇦 776 131 4 Oct 2024 287th stefangimmillaro 775 114 13 Oct 2024 288th Shanethegamer 🇺🇸 775 152 3 Oct 2024 289th uttumuttu 🇫🇮 773 83 1 Oct 2024 289th KatieLG 🇬🇧 773 83 1 Oct 2024 289th Larento 773 83 4 Nov 2024 289th Andrey-Plotnikov 773 83 13 Jan 2025 293rd adriweb 🇫🇷 773 102 5 Oct 2024 294th ryyyn 🇺🇸 771 103 8 Jan 2025 295th sean-niemann 🇺🇸 771 105 1 Oct 2024 296th emgordon154 770 83 18 Nov 2024 297th sisyphus-ppcg 🇦🇺 769 62 3 Oct 2024 298th retrohun 769 63 2 Oct 2024 299th MeWhenI 🇻🇦 769 122 5 Oct 2024 300th Natanaelel 🇸🇪 769 143 20 Apr 2025 Prev 226–300 of 698 Next