Card Number Validation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st saito-ta 🇯🇵 1,000 25 65ms 2 Oct 2024 2nd ovs-code 🇩🇪 980 29 2ms 2 Oct 2024 3rd bizy-coder 965 67 23ms 1 Oct 2024 3rd pardouin 🇫🇷 965 67 22ms 1 Oct 2024 3rd btnlq 965 67 22ms 1 Oct 2024 3rd Seek64 🇩🇪 965 67 23ms 1 Oct 2024 3rd m-tkach 🇺🇦 965 67 22ms 1 Oct 2024 3rd Rubiksmath 965 67 22ms 7 Oct 2024 3rd JayXon 🇺🇸 965 67 22ms 13 Oct 2024 3rd khvdm 965 67 20ms 28 Feb 2025 3rd ryyyn 🇺🇸 965 67 24ms 4 Feb 2026 3rd Steffan153 🇫🇮 965 67 24ms 21 Feb 2026 13th hallvabo 🇳🇴 951 68 23ms 4 Jun 2025 14th duckyluuk 🇳🇱 948 68 11ms 4 Oct 2024 14th JayXon 🇺🇸 948 68 11ms 4 Oct 2024 14th emplv 🇱🇻 948 68 9ms 24 Oct 2024 14th rucin93 🇵🇱 948 68 11ms 24 Oct 2024 14th sean-niemann 🇺🇸 948 68 11ms 13 Nov 2024 14th Steffan153 🇫🇮 948 68 11ms 11 Feb 2026 20th 2bular 947 30 2ms 1 Oct 2024 20th zacjl 947 30 3ms 3 Oct 2024 22nd sisyphus-ppcg 🇦🇺 941 42 6ms 1 Oct 2024 22nd saito-ta 🇯🇵 941 42 6ms 1 Oct 2024 24th JayXon 🇺🇸 940 51 35ms 13 Oct 2024 24th radarek 🇵🇱 940 51 36ms 23 Jul 2025 26th nwellnhof 🇩🇪 935 69 13ms 8 Oct 2024 27th rhdqor213 932 74 2ms 5 Dec 2025 28th GrayJoKing 🇦🇺 931 41 142ms 1 Oct 2024 28th nwellnhof 🇩🇪 931 41 138ms 2 Oct 2024 30th ovs-code 🇩🇪 931 42 32ms 1 Mar 2025 31st pardouin 🇫🇷 929 62 436ms 1 Oct 2024 31st JayXon 🇺🇸 929 62 483ms 2 Oct 2024 31st Steffan153 🇫🇮 929 62 522ms 21 Feb 2026 34th canissimia 🇦🇶 924 47 2ms 30 Jan 2026 34th xsot 🇸🇬 924 47 2ms 22 Feb 2026 36th kg583 🇺🇸 924 70 19ms 10 Oct 2024 36th sean-niemann 🇺🇸 924 70 20ms 8 Jan 2025 38th stefangimmillaro 921 70 12ms 3 Oct 2024 39th primo-ppcg 🇹🇭 919 43 3ms 26 Jan 2025 40th JayXon 🇺🇸 917 78 498ms 13 Oct 2024 40th AdrienHache 🇫🇷 917 78 460ms 20 Sep 2025 42nd bstrat 916 31 2ms 6 Oct 2024 43rd nwellnhof 🇩🇪 915 51 415ms 1 Oct 2024 43rd bitsandbeyond 🇳🇱 915 51 375ms 7 Oct 2024 45th JayXon 🇺🇸 910 62 543ms 13 Oct 2024 46th JayXon 🇺🇸 908 64 145ms 2 Oct 2024 46th Steffan153 🇫🇮 908 64 133ms 28 Feb 2026 48th GrayJoKing 🇦🇺 908 71 10ms 1 Oct 2024 48th pardouin 🇫🇷 908 71 10ms 2 Oct 2024 48th ovs-code 🇩🇪 908 71 10ms 3 Oct 2024 48th vlpx 🇫🇮 908 71 10ms 23 Oct 2024 48th lukegustafson 🇺🇸 908 71 11ms 22 Feb 2026 53rd JayXon 🇺🇸 908 103 536ms 25 Sep 2025 54th JayXon 🇺🇸 907 76 2ms 11 Oct 2024 55th JayXon 🇺🇸 906 96 613ms 11 Oct 2024 56th error256 905 63 1,375ms 7 Oct 2024 56th JayXon 🇺🇸 905 63 1,235ms 13 Oct 2024 58th emplv 🇱🇻 905 75 14ms 24 Oct 2024 59th namelessiw 905 79 468ms 1 Aug 2025 60th pardouin 🇫🇷 904 53 38ms 13 Oct 2025 60th Steffan153 🇫🇮 904 53 65ms 7 Mar 2026 62nd sean-niemann 🇺🇸 904 64 1,066ms 16 Feb 2026 62nd edsrzf 🇳🇿 904 64 1,657ms 21 Feb 2026 62nd Steffan153 🇫🇮 904 64 971ms 27 Feb 2026 65th inventshah 904 74 2,448ms 25 Oct 2024 65th JayXon 🇺🇸 904 74 2,336ms 13 Nov 2024 65th pardouin 🇫🇷 904 74 2,442ms 17 Dec 2024 65th edsrzf 🇳🇿 904 74 2,341ms 25 days ago 69th JayXon 🇺🇸 903 88 2ms 5 Oct 2024 69th edsrzf 🇳🇿 903 88 2ms 23 Nov 2025 71st JayXon 🇺🇸 903 104 143ms 31 May 2025 72nd saito-ta 🇯🇵 901 54 3ms 1 Oct 2024 72nd DialFrost 🇸🇬 901 54 3ms 11 Jan 2025 72nd frankgraziano 901 54 3ms 23 Jan 2025 75th duckyluuk 🇳🇱 898 72 19ms 4 Oct 2024 75th ndren 898 72 18ms 14 Feb 2025 75th CornerMercury 🇬🇧 898 72 16ms 23 Nov 2025 75th anter69 🇭🇺 898 72 24ms 25 Feb 2026 79th mousetail 🇳🇱 896 52 6ms 25 Sep 2025 80th xsot 🇸🇬 896 72 12ms 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