Card Number Validation in all languages in bytes. 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 150th ndren 845 94 14 Feb 2025 152nd edsrzf 🇳🇿 841 150 27 Feb 2025 153rd error256 840 113 10 May 2025 154th sean-niemann 🇺🇸 840 121 30 Nov 2024 155th lynn 840 131 8 Jan 2025 156th error256 839 94 7 Oct 2024 157th primo-ppcg 🇹🇭 839 128 27 Apr 2025 158th JayXon 🇺🇸 837 109 5 Oct 2024 159th xsot 🇸🇬 836 57 6 May 2025 160th moustave 836 95 4 Nov 2024 160th emgordon154 836 95 18 Nov 2024 162nd SirBogman 🇺🇸 835 34 2 Oct 2024 163rd IanUtley 835 113 2 Oct 2024 164th GrayJoKing 🇦🇺 833 47 1 Oct 2024 165th stefangimmillaro 833 68 2 Oct 2024 166th Shanethegamer 🇺🇸 833 77 1 Oct 2024 166th edsrzf 🇳🇿 833 77 10 May 2025 166th biocommando 🇫🇮 833 77 17 days ago 169th AdrienHache 🇫🇷 833 85 1 Oct 2024 169th namelessiw 833 85 25 days ago 171st kg583 🇺🇸 833 124 20 Oct 2024 171st AlephSquirrel 833 124 21 Oct 2024 173rd sean-niemann 🇺🇸 832 81 20 Dec 2024 174th nwellnhof 🇩🇪 832 84 2 Oct 2024 174th ovs-code 🇩🇪 832 84 2 Nov 2024 174th inventshah 832 84 31 Mar 2025 177th error256 832 106 8 Oct 2024 178th emplv 🇱🇻 830 77 28 Mar 2025 179th stefangimmillaro 830 80 12 Nov 2024 180th stefangimmillaro 830 112 4 Oct 2024 181st emplv 🇱🇻 830 142 2 Oct 2024 181st sean-niemann 🇺🇸 830 142 2 Oct 2024 183rd KasperKivimaeki 🇫🇮 827 96 4 hours ago 184th xsot 🇸🇬 827 125 20 Oct 2024 185th sean-niemann 🇺🇸 826 107 3 Oct 2024 186th MeWhenI 🇻🇦 826 130 3 Oct 2024 187th m-tkach 🇺🇦 825 144 8 Oct 2024 188th ovs-code 🇩🇪 825 200 19 Apr 2025 189th retrohun 824 71 10 Jan 2025 190th MeWhenI 🇻🇦 824 143 2 Oct 2024 191st Kacarott 🇦🇺 823 73 1 Oct 2024 191st chunes3 🇺🇸 823 73 2 Oct 2024 193rd saito-ta 🇯🇵 823 85 1 Oct 2024 194th sean-niemann 🇺🇸 823 114 2 Oct 2024 195th m-tkach 🇺🇦 822 58 8 Oct 2024 196th dcgjb 822 78 6 May 2025 197th DialFrost 🇸🇬 822 82 8 days ago 198th ovs-code 🇩🇪 820 65 30 Oct 2024 199th MeWhenI 🇻🇦 820 85 5 Oct 2024 200th emplv 🇱🇻 820 145 24 Oct 2024 201st MeWhenI 🇻🇦 818 142 2 Oct 2024 202nd MeWhenI 🇻🇦 817 104 2 Oct 2024 203rd lifthrasiir 🇰🇷 815 197 19 Dec 2024 204th m-tkach 🇺🇦 814 138 3 Oct 2024 205th MeWhenI 🇻🇦 813 85 4 Oct 2024 206th JohandeRuiter 🇳🇱 813 86 17 Jan 2025 207th Shanethegamer 🇺🇸 812 69 2 Oct 2024 208th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 209th stefangimmillaro 812 143 3 Oct 2024 209th sean-niemann 🇺🇸 812 143 24 Oct 2024 211th MeWhenI 🇻🇦 811 109 2 Oct 2024 212th primo-ppcg 🇹🇭 811 235 8 days ago 213th Shanethegamer 🇺🇸 810 70 9 Apr 2025 214th MeWhenI 🇻🇦 810 98 1 Oct 2024 214th GolfingSuccess 🇬🇷 810 98 5 Oct 2024 214th firegene 🇮🇪 810 98 21 Oct 2024 217th Natanaelel 🇸🇪 808 59 7 Feb 2025 218th stefangimmillaro 808 99 3 Oct 2024 219th ovs-code 🇩🇪 808 106 1 Oct 2024 219th inventshah 808 106 1 Oct 2024 221st stefangimmillaro 807 126 3 Oct 2024 222nd GolfingSuccess 🇬🇷 806 31 5 Oct 2024 223rd error256 806 144 2 Oct 2024 224th edsrzf 🇳🇿 805 118 27 Feb 2025 225th emgordon154 805 205 7 Mar 2025 Prev 151–225 of 698 Next