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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 73rd nwellnhof 🇩🇪 883 54 13 Oct 2024 77th JayXon 🇺🇸 883 79 5 Oct 2024 77th rucin93 🇵🇱 883 79 24 Oct 2024 77th sean-niemann 🇺🇸 883 79 3 Nov 2024 80th moustave 882 73 5 Nov 2024 80th emgordon154 882 73 18 Nov 2024 82nd JayXon 🇺🇸 882 134 3 Oct 2024 83rd dmrichwa 🇺🇸 879 73 5 Oct 2024 83rd DialFrost 🇸🇬 879 73 12 Oct 2024 85th acotis 877 106 29 May 2025 86th GrayJoKing 🇦🇺 876 90 3 Oct 2024 86th FlyingPenguin223 876 90 16 Oct 2024 88th JayXon 🇺🇸 875 79 17 Oct 2024 89th KasperKivimaeki 🇫🇮 875 80 16 Oct 2024 90th nwellnhof 🇩🇪 875 133 7 Oct 2024 91st nwellnhof 🇩🇪 875 135 16 Oct 2024 92nd sean-niemann 🇺🇸 874 76 24 Oct 2024 93rd JayXon 🇺🇸 874 95 16 hours ago 94th JayXon 🇺🇸 869 117 5 Oct 2024 95th Natanaelel 🇸🇪 868 74 1 Oct 2024 95th helbling 🇨🇭 868 74 1 Oct 2024 95th Irratix 🇳🇱 868 74 14 Oct 2024 95th emgordon154 868 74 18 Nov 2024 95th DialFrost 🇸🇬 868 74 17 Mar 2025 100th CLOStrophobic 🇮🇹 868 119 24 Feb 2025 101st ovs-code 🇩🇪 867 55 5 Oct 2024 102nd JayXon 🇺🇸 866 84 24 May 2025 103rd Shanethegamer 🇺🇸 866 91 4 Oct 2024 104th JayXon 🇺🇸 866 93 14 Oct 2024 105th ovs-code 🇩🇪 866 127 2 Oct 2024 106th ovs-code 🇩🇪 865 69 4 Oct 2024 107th UnderKoen 🇳🇱 865 86 4 Oct 2024 108th emgordon154 863 77 8 Nov 2024 109th zacjl 863 110 10 Oct 2024 110th ovs-code 🇩🇪 862 29 4 Oct 2024 111th sean-niemann 🇺🇸 861 51 2 Oct 2024 112th Natanaelel 🇸🇪 860 33 6 Oct 2024 112th GrayJoKing 🇦🇺 860 33 6 Jun 2025 112th SirBogman 🇺🇸 860 33 14 days ago 115th nwellnhof 🇩🇪 860 68 5 Oct 2024 116th pardouin 🇫🇷 859 66 10 Apr 2025 117th anter69 🇭🇺 859 75 11 Oct 2024 118th voytxt 🇨🇿 856 75 1 Oct 2024 118th MeWhenI 🇻🇦 856 75 2 Oct 2024 118th m-tkach 🇺🇦 856 75 5 Oct 2024 118th error256 856 75 7 Oct 2024 122nd m-tkach 🇺🇦 855 87 6 Oct 2024 123rd kg583 🇺🇸 854 67 1 Oct 2024 124th MeWhenI 🇻🇦 854 92 24 Dec 2024 125th edsrzf 🇳🇿 854 121 6 hours ago 126th xsot 🇸🇬 853 82 6 May 2025 127th tomtheisen 🇺🇸 853 83 10 Feb 2025 128th JayXon 🇺🇸 853 95 4 Oct 2024 129th sean-niemann 🇺🇸 852 68 1 Oct 2024 130th ovs-code 🇩🇪 851 46 4 Oct 2024 130th nwellnhof 🇩🇪 851 46 7 Oct 2024 132nd MostParsingVex 850 100 1 Oct 2024 133rd stefangimmillaro 850 139 3 Oct 2024 133rd edsrzf 🇳🇿 850 139 6 hours ago 135th lifthrasiir 🇰🇷 848 76 16 Nov 2024 136th JayXon 🇺🇸 848 104 6 Oct 2024 137th edsrzf 🇳🇿 847 90 27 Feb 2025 138th emgordon154 846 67 18 Nov 2024 139th JayXon 🇺🇸 846 155 3 Oct 2024 140th namelessiw 843 84 5 days ago 141st kg583 🇺🇸 843 142 14 Feb 2025 142nd duckyluuk 🇳🇱 841 68 4 Oct 2024 143rd error256 840 113 10 May 2025 144th sean-niemann 🇺🇸 840 121 30 Nov 2024 145th lynn 840 131 8 Jan 2025 146th error256 839 94 7 Oct 2024 147th primo-ppcg 🇹🇭 839 128 27 Apr 2025 148th jatloe 837 77 1 Oct 2024 149th JayXon 🇺🇸 837 109 5 Oct 2024 150th xsot 🇸🇬 836 57 6 May 2025 Prev 76–150 of 717 Next