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 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 Mandelbrot 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 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 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 Mandelbrot 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 1st saito-ta 🇯🇵 1,000 25 2 Oct 2024 2nd ovs-code 🇩🇪 979 29 2 Oct 2024 3rd khvdm 956 83 7 hours ago 4th 2bular 946 30 1 Oct 2024 4th zacjl 946 30 3 Oct 2024 6th bizy-coder 944 84 1 Oct 2024 6th pardouin 🇫🇷 944 84 1 Oct 2024 6th AlephSquirrel 944 84 1 Oct 2024 6th btnlq 944 84 1 Oct 2024 6th Seek64 🇩🇪 944 84 1 Oct 2024 6th m-tkach 🇺🇦 944 84 1 Oct 2024 6th Rubiksmath 944 84 7 Oct 2024 6th JayXon 🇺🇸 944 84 13 Oct 2024 6th kops-cg 944 84 22 Feb 2025 6th xnor-gate 944 84 23 Feb 2025 16th duckyluuk 🇳🇱 942 68 4 Oct 2024 16th JayXon 🇺🇸 942 68 4 Oct 2024 16th emplv 🇱🇻 942 68 24 Oct 2024 16th rucin93 🇵🇱 942 68 24 Oct 2024 16th sean-niemann 🇺🇸 942 68 13 Nov 2024 21st JayXon 🇺🇸 934 51 13 Oct 2024 22nd sisyphus-ppcg 🇦🇺 933 42 1 Oct 2024 22nd saito-ta 🇯🇵 933 42 1 Oct 2024 24th inventshah 933 85 4 Oct 2024 25th nwellnhof 🇩🇪 928 69 8 Oct 2024 26th AdrienHache 🇫🇷 924 39 2 Oct 2024 27th ovs-code 🇩🇪 923 42 1 Mar 2025 28th hallvabo 🇳🇴 922 86 3 days ago 29th JayXon 🇺🇸 919 76 11 Oct 2024 30th GrayJoKing 🇦🇺 918 41 1 Oct 2024 30th nwellnhof 🇩🇪 918 41 2 Oct 2024 32nd bstrat 916 31 6 Oct 2024 33rd stefangimmillaro 915 70 3 Oct 2024 34th JayXon 🇺🇸 914 72 2 Oct 2024 35th nwellnhof 🇩🇪 913 51 1 Oct 2024 35th bitsandbeyond 🇳🇱 913 51 7 Oct 2024 37th xsot 🇸🇬 912 48 4 Oct 2024 38th primo-ppcg 🇹🇭 911 43 26 Jan 2025 39th JayXon 🇺🇸 908 78 13 Oct 2024 40th JayXon 🇺🇸 903 62 13 Oct 2024 41st GrayJoKing 🇦🇺 902 71 1 Oct 2024 41st pardouin 🇫🇷 902 71 2 Oct 2024 41st ovs-code 🇩🇪 902 71 3 Oct 2024 41st vlpx 🇫🇮 902 71 23 Oct 2024 45th error256 899 63 7 Oct 2024 45th JayXon 🇺🇸 899 63 13 Oct 2024 47th emplv 🇱🇻 899 75 24 Oct 2024 48th inventshah 898 74 25 Oct 2024 48th JayXon 🇺🇸 898 74 13 Nov 2024 48th pardouin 🇫🇷 898 74 17 Dec 2024 51st saito-ta 🇯🇵 897 54 1 Oct 2024 51st DialFrost 🇸🇬 897 54 11 Jan 2025 51st frankgraziano 897 54 23 Jan 2025 54th rucin93 🇵🇱 897 71 17 Dec 2024 54th JayXon 🇺🇸 897 71 17 Dec 2024 54th sean-niemann 🇺🇸 897 71 8 Jan 2025 57th JayXon 🇺🇸 896 88 5 Oct 2024 58th canissimia 🇦🇶 893 28 2 Oct 2024 59th JayXon 🇺🇸 893 104 8 days ago 60th xsot 🇸🇬 890 72 10 Oct 2024 61st JayXon 🇺🇸 890 96 11 Oct 2024 62nd ovs-code 🇩🇪 889 63 2 Oct 2024 63rd bizy-coder 889 74 1 Oct 2024 63rd pardouin 🇫🇷 889 74 1 Oct 2024 63rd m-tkach 🇺🇦 889 74 3 Oct 2024 66th kgolf 887 32 15 Apr 2025 67th GrayJoKing 🇦🇺 886 58 24 Oct 2024 68th canissimia 🇦🇶 886 66 1 Oct 2024 69th MeWhenI 🇻🇦 885 64 3 Oct 2024 70th nwellnhof 🇩🇪 885 80 2 Oct 2024 70th Yax42 🇫🇷 885 80 7 Feb 2025 72nd error256 884 68 2 May 2025 73rd JayXon 🇺🇸 884 131 7 Oct 2024 74th GrayJoKing 🇦🇺 883 60 3 Oct 2024 75th JayXon 🇺🇸 883 79 5 Oct 2024 1–75 of 676 Next