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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript 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 ><> 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 ALGOL 68 APL ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st saito-ta 🇯🇵 1,000 25 71ms 2 Oct 2024 2nd ovs-code 🇩🇪 979 29 2ms 2 Oct 2024 3rd bizy-coder 965 67 22ms 1 Oct 2024 3rd pardouin 🇫🇷 965 67 21ms 1 Oct 2024 3rd btnlq 965 67 21ms 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 25ms 28 Feb 2025 3rd ryyyn 🇺🇸 965 67 22ms 7 days ago 12th hallvabo 🇳🇴 950 68 20ms 4 Jun 2025 13th duckyluuk 🇳🇱 947 68 10ms 4 Oct 2024 13th JayXon 🇺🇸 947 68 10ms 4 Oct 2024 13th emplv 🇱🇻 947 68 11ms 24 Oct 2024 13th rucin93 🇵🇱 947 68 10ms 24 Oct 2024 13th sean-niemann 🇺🇸 947 68 13ms 13 Nov 2024 13th Steffan153 🇫🇮 947 68 10ms 6 hours ago 19th 2bular 946 30 2ms 1 Oct 2024 19th zacjl 946 30 3ms 3 Oct 2024 21st JayXon 🇺🇸 938 51 35ms 13 Oct 2024 21st radarek 🇵🇱 938 51 35ms 23 Jul 2025 23rd sisyphus-ppcg 🇦🇺 936 42 6ms 1 Oct 2024 23rd saito-ta 🇯🇵 936 42 6ms 1 Oct 2024 25th nwellnhof 🇩🇪 933 69 11ms 8 Oct 2024 26th rhdqor213 930 74 2ms 5 Dec 2025 27th ovs-code 🇩🇪 928 42 32ms 1 Mar 2025 28th pardouin 🇫🇷 927 62 452ms 1 Oct 2024 28th JayXon 🇺🇸 927 62 412ms 2 Oct 2024 30th GrayJoKing 🇦🇺 925 41 123ms 1 Oct 2024 30th nwellnhof 🇩🇪 925 41 128ms 2 Oct 2024 32nd canissimia 🇦🇶 924 47 2ms 11 days ago 33rd kg583 🇺🇸 923 70 17ms 10 Oct 2024 33rd sean-niemann 🇺🇸 923 70 20ms 8 Jan 2025 35th stefangimmillaro 920 70 10ms 3 Oct 2024 36th bstrat 916 31 2ms 6 Oct 2024 37th nwellnhof 🇩🇪 915 51 459ms 1 Oct 2024 37th bitsandbeyond 🇳🇱 915 51 366ms 7 Oct 2024 39th JayXon 🇺🇸 915 78 456ms 13 Oct 2024 39th AdrienHache 🇫🇷 915 78 461ms 20 Sep 2025 41st primo-ppcg 🇹🇭 914 43 3ms 26 Jan 2025 42nd GrayJoKing 🇦🇺 907 71 10ms 1 Oct 2024 42nd pardouin 🇫🇷 907 71 10ms 2 Oct 2024 42nd ovs-code 🇩🇪 907 71 10ms 3 Oct 2024 42nd vlpx 🇫🇮 907 71 9ms 23 Oct 2024 46th JayXon 🇺🇸 906 62 537ms 13 Oct 2024 47th JayXon 🇺🇸 906 64 123ms 2 Oct 2024 48th JayXon 🇺🇸 906 76 2ms 11 Oct 2024 49th JayXon 🇺🇸 906 103 536ms 25 Sep 2025 50th xsot 🇸🇬 905 48 2ms 4 Oct 2024 51st JayXon 🇺🇸 905 96 397ms 11 Oct 2024 52nd emplv 🇱🇻 903 75 13ms 24 Oct 2024 53rd namelessiw 903 79 464ms 1 Aug 2025 54th pardouin 🇫🇷 902 53 38ms 13 Oct 2025 55th error256 902 63 1,375ms 7 Oct 2024 55th JayXon 🇺🇸 902 63 1,235ms 13 Oct 2024 57th inventshah 902 74 2,417ms 25 Oct 2024 57th JayXon 🇺🇸 902 74 2,277ms 13 Nov 2024 57th pardouin 🇫🇷 902 74 2,226ms 17 Dec 2024 60th JayXon 🇺🇸 901 88 2ms 5 Oct 2024 60th edsrzf 🇳🇿 901 88 2ms 23 Nov 2025 62nd duckyluuk 🇳🇱 898 72 16ms 4 Oct 2024 62nd ndren 898 72 17ms 14 Feb 2025 62nd CornerMercury 🇬🇧 898 72 19ms 23 Nov 2025 65th saito-ta 🇯🇵 897 54 3ms 1 Oct 2024 65th DialFrost 🇸🇬 897 54 3ms 11 Jan 2025 65th frankgraziano 897 54 4ms 23 Jan 2025 68th JayXon 🇺🇸 897 104 142ms 31 May 2025 69th mousetail 🇳🇱 896 52 6ms 25 Sep 2025 70th xsot 🇸🇬 894 72 13ms 10 Oct 2024 71st canissimia 🇦🇶 893 28 41ms 2 Oct 2024 72nd error256 893 60 1,103ms 9 days ago 73rd sean-niemann 🇺🇸 893 66 1,171ms 31 Aug 2025 73rd edsrzf 🇳🇿 893 66 1,020ms 4 Sep 2025 75th pardouin 🇫🇷 892 65 132ms 2 Oct 2024 76th nwellnhof 🇩🇪 892 80 469ms 2 Oct 2024 76th Yax42 🇫🇷 892 80 509ms 7 Feb 2025 78th ovs-code 🇩🇪 891 63 589ms 1 Oct 2024 79th GrayJoKing 🇦🇺 889 60 4ms 3 Oct 2024 80th nwellnhof 🇩🇪 889 105 627ms 25 Sep 2025 1–80 of 884 Next Last