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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 76th JayXon 🇺🇸 888 134 263ms 3 Oct 2024 77th kgolf 887 32 3ms 15 Apr 2025 78th canissimia 🇦🇶 886 66 9ms 1 Oct 2024 79th JayXon 🇺🇸 886 79 2ms 5 Oct 2024 79th rucin93 🇵🇱 886 79 3ms 24 Oct 2024 79th sean-niemann 🇺🇸 886 79 2ms 3 Nov 2024 82nd MeWhenI 🇻🇦 884 54 38ms 3 Oct 2024 82nd error256 884 54 42ms 7 Oct 2024 82nd nwellnhof 🇩🇪 884 54 48ms 13 Oct 2024 82nd sean-niemann 🇺🇸 884 54 37ms 12 Oct 2025 86th error256 884 68 1,057ms 2 May 2025 87th moustave 884 73 22ms 5 Nov 2024 87th emgordon154 884 73 19ms 18 Nov 2024 89th nwellnhof 🇩🇪 884 105 339ms 25 Sep 2025 90th dmrichwa 🇺🇸 881 73 9ms 5 Oct 2024 90th DialFrost 🇸🇬 881 73 10ms 12 Oct 2024 92nd nwellnhof 🇩🇪 881 135 255ms 16 Oct 2024 93rd GrayJoKing 🇦🇺 880 90 2ms 3 Oct 2024 93rd FlyingPenguin223 880 90 2ms 16 Oct 2024 95th ovs-code 🇩🇪 878 69 4ms 4 Oct 2024 95th edsrzf 🇳🇿 878 69 4ms 16 mins ago 97th acotis 878 106 146ms 29 May 2025 98th KasperKivimaeki 🇫🇮 877 80 2ms 16 Oct 2024 99th JayXon 🇺🇸 877 95 365ms 23 Jul 2025 100th edsrzf 🇳🇿 876 91 9ms 16 Aug 2025 101st JayXon 🇺🇸 875 79 105ms 17 Oct 2024 102nd edsrzf 🇳🇿 875 80 2ms 26 Jul 2025 103rd JayXon 🇺🇸 875 93 108ms 14 Oct 2024 104th sean-niemann 🇺🇸 874 76 3,020ms 24 Oct 2024 105th edsrzf 🇳🇿 873 115 15ms 24 Jul 2025 106th albanian-laundromat 872 74 17ms 7 days ago 107th JayXon 🇺🇸 871 84 108ms 24 May 2025 108th Shanethegamer 🇺🇸 870 91 2ms 4 Oct 2024 109th ovs-code 🇩🇪 870 127 164ms 2 Oct 2024 110th Natanaelel 🇸🇪 869 74 9ms 1 Oct 2024 110th helbling 🇨🇭 869 74 9ms 1 Oct 2024 110th Irratix 🇳🇱 869 74 8ms 14 Oct 2024 110th emgordon154 869 74 9ms 18 Nov 2024 114th JayXon 🇺🇸 869 117 2ms 5 Oct 2024 115th ovs-code 🇩🇪 868 55 39ms 5 Oct 2024 116th DialFrost 🇸🇬 868 74 99ms 17 Mar 2025 117th sean-niemann 🇺🇸 866 51 3ms 2 Oct 2024 118th UnderKoen 🇳🇱 865 86 5ms 4 Oct 2024 119th emgordon154 863 77 3,232ms 8 Nov 2024 120th ovs-code 🇩🇪 862 29 45ms 4 Oct 2024 121st pardouin 🇫🇷 861 66 1,028ms 10 Apr 2025 122nd anter69 🇭🇺 861 75 16ms 11 Oct 2024 123rd JayXon 🇺🇸 861 104 297ms 6 Oct 2024 124th Natanaelel 🇸🇪 860 33 2ms 6 Oct 2024 124th GrayJoKing 🇦🇺 860 33 2ms 6 Jun 2025 124th SirBogman 🇺🇸 860 33 3ms 8 Jul 2025 127th nwellnhof 🇩🇪 860 68 10ms 5 Oct 2024 128th voytxt 🇨🇿 858 75 10ms 1 Oct 2024 128th MeWhenI 🇻🇦 858 75 9ms 2 Oct 2024 128th m-tkach 🇺🇦 858 75 9ms 5 Oct 2024 128th error256 858 75 9ms 7 Oct 2024 132nd tomtheisen 🇺🇸 858 83 318ms 10 Feb 2025 133rd kg583 🇺🇸 856 67 390ms 1 Oct 2024 134th xsot 🇸🇬 856 82 2ms 6 May 2025 135th stefangimmillaro 856 139 269ms 3 Oct 2024 135th edsrzf 🇳🇿 856 139 257ms 23 Jul 2025 137th m-tkach 🇺🇦 855 87 5ms 6 Oct 2024 138th MeWhenI 🇻🇦 854 92 15ms 24 Dec 2024 139th ovs-code 🇩🇪 853 46 5ms 4 Oct 2024 139th nwellnhof 🇩🇪 853 46 5ms 7 Oct 2024 141st JayXon 🇺🇸 853 95 424ms 4 Oct 2024 142nd sean-niemann 🇺🇸 852 68 121ms 1 Oct 2024 143rd edsrzf 🇳🇿 850 86 4ms 24 Jul 2025 144th MostParsingVex 850 100 17ms 1 Oct 2024 145th edsrzf 🇳🇿 850 137 45ms 16 Aug 2025 146th lifthrasiir 🇰🇷 849 76 14ms 16 Nov 2024 146th CornerMercury 🇬🇧 849 76 24ms 25 Sep 2025 148th emgordon154 848 67 1,010ms 18 Nov 2024 149th kg583 🇺🇸 848 94 11ms 24 days ago 150th primo-ppcg 🇹🇭 846 128 43ms 27 Apr 2025 First Prev 76–150 of 810 Next Last