Card Number Validation in all languages in chars. 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 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 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 1st saito-ta 🇯🇵 1,000 25 63ms 2 Oct 2024 2nd ovs-code 🇩🇪 979 29 2ms 2 Oct 2024 3rd bizy-coder 964 67 22ms 1 Oct 2024 3rd pardouin 🇫🇷 964 67 25ms 1 Oct 2024 3rd btnlq 964 67 23ms 1 Oct 2024 3rd Seek64 🇩🇪 964 67 22ms 1 Oct 2024 3rd m-tkach 🇺🇦 964 67 22ms 1 Oct 2024 3rd Rubiksmath 964 67 26ms 7 Oct 2024 3rd JayXon 🇺🇸 964 67 22ms 13 Oct 2024 3rd khvdm 964 67 16ms 28 Feb 2025 11th hallvabo 🇳🇴 949 68 22ms 4 Jun 2025 12th 2bular 946 30 3ms 1 Oct 2024 12th zacjl 946 30 3ms 3 Oct 2024 14th duckyluuk 🇳🇱 946 68 10ms 4 Oct 2024 14th JayXon 🇺🇸 946 68 12ms 4 Oct 2024 14th emplv 🇱🇻 946 68 10ms 24 Oct 2024 14th rucin93 🇵🇱 946 68 9ms 24 Oct 2024 14th sean-niemann 🇺🇸 946 68 10ms 13 Nov 2024 19th JayXon 🇺🇸 936 51 36ms 13 Oct 2024 19th radarek 🇵🇱 936 51 34ms 23 Jul 2025 21st sisyphus-ppcg 🇦🇺 934 42 8ms 1 Oct 2024 21st saito-ta 🇯🇵 934 42 6ms 1 Oct 2024 23rd nwellnhof 🇩🇪 932 69 9ms 8 Oct 2024 24th ovs-code 🇩🇪 926 42 34ms 1 Mar 2025 25th pardouin 🇫🇷 925 62 366ms 1 Oct 2024 25th JayXon 🇺🇸 925 62 379ms 2 Oct 2024 27th GrayJoKing 🇦🇺 922 41 140ms 1 Oct 2024 27th nwellnhof 🇩🇪 922 41 124ms 2 Oct 2024 29th kg583 🇺🇸 922 70 18ms 10 Oct 2024 29th sean-niemann 🇺🇸 922 70 21ms 8 Jan 2025 31st JayXon 🇺🇸 922 76 2ms 11 Oct 2024 32nd xsot 🇸🇬 920 48 2ms 4 Oct 2024 33rd stefangimmillaro 919 70 10ms 3 Oct 2024 34th bstrat 916 31 3ms 6 Oct 2024 35th nwellnhof 🇩🇪 915 51 352ms 1 Oct 2024 35th bitsandbeyond 🇳🇱 915 51 310ms 7 Oct 2024 37th primo-ppcg 🇹🇭 913 43 4ms 26 Jan 2025 38th JayXon 🇺🇸 913 78 415ms 13 Oct 2024 38th AdrienHache 🇫🇷 913 78 375ms 20 Sep 2025 40th JayXon 🇺🇸 906 62 541ms 13 Oct 2024 41st JayXon 🇺🇸 906 64 137ms 2 Oct 2024 42nd GrayJoKing 🇦🇺 906 71 14ms 1 Oct 2024 42nd pardouin 🇫🇷 906 71 10ms 2 Oct 2024 42nd ovs-code 🇩🇪 906 71 9ms 3 Oct 2024 42nd vlpx 🇫🇮 906 71 10ms 23 Oct 2024 46th error256 902 63 1,016ms 7 Oct 2024 46th JayXon 🇺🇸 902 63 911ms 13 Oct 2024 48th JayXon 🇺🇸 902 103 619ms 25 Sep 2025 49th pardouin 🇫🇷 901 53 38ms 20 days ago 50th emplv 🇱🇻 901 75 14ms 24 Oct 2024 51st namelessiw 901 79 440ms 1 Aug 2025 52nd JayXon 🇺🇸 899 88 2ms 5 Oct 2024 53rd inventshah 898 74 4,631ms 25 Oct 2024 53rd JayXon 🇺🇸 898 74 3,361ms 13 Nov 2024 53rd pardouin 🇫🇷 898 74 3,847ms 17 Dec 2024 56th saito-ta 🇯🇵 897 54 3ms 1 Oct 2024 56th DialFrost 🇸🇬 897 54 3ms 11 Jan 2025 56th frankgraziano 897 54 3ms 23 Jan 2025 59th duckyluuk 🇳🇱 897 72 18ms 4 Oct 2024 59th ndren 897 72 20ms 14 Feb 2025 61st mousetail 🇳🇱 896 52 6ms 25 Sep 2025 62nd JayXon 🇺🇸 895 104 144ms 31 May 2025 63rd JayXon 🇺🇸 894 96 472ms 11 Oct 2024 64th canissimia 🇦🇶 893 28 41ms 2 Oct 2024 65th xsot 🇸🇬 893 72 9ms 10 Oct 2024 66th pardouin 🇫🇷 892 65 124ms 2 Oct 2024 67th ovs-code 🇩🇪 891 63 517ms 1 Oct 2024 68th sean-niemann 🇺🇸 890 66 1,259ms 31 Aug 2025 68th edsrzf 🇳🇿 890 66 906ms 4 Sep 2025 70th nwellnhof 🇩🇪 890 80 364ms 2 Oct 2024 70th Yax42 🇫🇷 890 80 423ms 7 Feb 2025 72nd GrayJoKing 🇦🇺 889 60 5ms 3 Oct 2024 73rd edsrzf 🇳🇿 889 89 2ms 30 Aug 2025 74th MeWhenI 🇻🇦 888 64 946ms 3 Oct 2024 75th JayXon 🇺🇸 888 134 270ms 3 Oct 2024 1–75 of 805 Next Last