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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 224th bricknellj 802 100 4 Mar 2025 227th DialFrost 🇸🇬 802 106 23 Mar 2025 228th ovs-code 🇩🇪 801 75 1 Oct 2024 229th kg583 🇺🇸 801 82 1 Oct 2024 229th sean-niemann 🇺🇸 801 82 23 Dec 2024 231st antimon2 🇯🇵 800 70 9 Oct 2024 232nd canissimia 🇦🇶 798 130 4 Oct 2024 233rd MeWhenI 🇻🇦 797 127 5 Oct 2024 234th Shanethegamer 🇺🇸 797 138 3 Oct 2024 235th stefangimmillaro 795 89 4 Oct 2024 235th namelessiw 795 89 17 Oct 2024 237th stefangimmillaro 794 87 4 Oct 2024 238th MeWhenI 🇻🇦 794 88 2 Oct 2024 239th duckyluuk 🇳🇱 794 99 17 Dec 2024 240th lifthrasiir 🇰🇷 794 101 21 Nov 2024 240th btjones0 794 101 2 Dec 2024 242nd Shanethegamer 🇺🇸 794 102 4 Oct 2024 243rd DialFrost 🇸🇬 793 85 1 Oct 2024 243rd xsot 🇸🇬 793 85 7 Oct 2024 245th ovs-code 🇩🇪 793 119 1 Oct 2024 246th stefangimmillaro 793 134 3 Oct 2024 247th Shanethegamer 🇺🇸 793 208 19 days ago 247th DialFrost 🇸🇬 793 208 16 days ago 249th duckyluuk 🇳🇱 792 83 3 Oct 2024 249th emgordon154 792 83 18 Nov 2024 251st acotis 792 119 7 days ago 252nd AlephSquirrel 792 148 1 Oct 2024 253rd GolfingSuccess 🇬🇷 791 68 7 Oct 2024 254th edsrzf 🇳🇿 791 76 1 Oct 2024 255th DialFrost 🇸🇬 791 84 26 Oct 2024 256th Shanethegamer 🇺🇸 791 128 3 Oct 2024 257th jared-hughes 791 203 20 Dec 2024 258th saito-ta 🇯🇵 790 74 1 Oct 2024 259th tayloia 🇬🇧 790 81 3 Oct 2024 259th targrik 790 81 8 Feb 2025 261st emgordon154 790 166 2 Oct 2024 262nd DialFrost 🇸🇬 789 131 11 Dec 2024 263rd kg583 🇺🇸 788 160 13 Feb 2025 263rd CLOStrophobic 🇮🇹 788 160 27 Feb 2025 265th pardouin 🇫🇷 787 81 29 Jan 2025 265th ovs-code 🇩🇪 787 81 17 days ago 267th MeWhenI 🇻🇦 787 90 2 Oct 2024 268th annaproxy 786 102 1 Oct 2024 269th Shanethegamer 🇺🇸 785 88 4 Oct 2024 270th Natanaelel 🇸🇪 784 48 1 Oct 2024 271st MeWhenI 🇻🇦 784 109 2 Oct 2024 272nd MeWhenI 🇻🇦 784 186 2 Oct 2024 273rd Shanethegamer 🇺🇸 783 132 2 Oct 2024 274th Shanethegamer 🇺🇸 783 148 3 Oct 2024 275th edsrzf 🇳🇿 783 150 2 Oct 2024 276th ovs-code 🇩🇪 782 84 3 Oct 2024 276th Shanethegamer 🇺🇸 782 84 3 Oct 2024 278th stefangimmillaro 780 61 1 Oct 2024 279th KingSkyrock 🇺🇸 780 82 14 Oct 2024 280th ryyyn 779 103 8 Jan 2025 281st Shanethegamer 🇺🇸 778 91 3 Oct 2024 282nd DialFrost 🇸🇬 778 149 21 Nov 2024 283rd emgordon154 778 151 17 Jan 2025 284th GrayJoKing 🇦🇺 777 82 1 Oct 2024 285th sean-niemann 🇺🇸 775 98 2 Oct 2024 286th stefangimmillaro 775 114 13 Oct 2024 287th adriweb 🇫🇷 773 102 5 Oct 2024 288th m-tkach 🇺🇦 773 131 4 Oct 2024 289th Shanethegamer 🇺🇸 773 152 3 Oct 2024 290th ovs-code 🇩🇪 772 122 9 days ago 291st uttumuttu 🇫🇮 771 83 1 Oct 2024 291st KatieLG 🇬🇧 771 83 1 Oct 2024 291st Larento 771 83 4 Nov 2024 291st Andrey-Plotnikov 771 83 13 Jan 2025 295th jatloe 771 104 1 Oct 2024 296th sean-niemann 🇺🇸 771 105 1 Oct 2024 297th retrohun 769 63 2 Oct 2024 298th MeWhenI 🇻🇦 769 122 5 Oct 2024 299th Natanaelel 🇸🇪 769 143 14 days ago 300th emgordon154 768 83 18 Nov 2024 Prev 226–300 of 659 Next