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 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 Mandelbrot 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 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 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 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 Mandelbrot 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 emgordon154 845 95 18 Nov 2024 152nd stefangimmillaro 845 139 3 Oct 2024 153rd edsrzf 🇳🇿 841 150 27 Feb 2025 154th error256 840 113 27 days ago 155th lynn 840 131 8 Jan 2025 156th error256 839 94 7 Oct 2024 157th JayXon 🇺🇸 837 109 5 Oct 2024 158th sean-niemann 🇺🇸 836 121 30 Nov 2024 159th SirBogman 🇺🇸 835 34 2 Oct 2024 160th xsot 🇸🇬 835 57 6 May 2025 161st IanUtley 835 113 2 Oct 2024 162nd GrayJoKing 🇦🇺 833 47 1 Oct 2024 163rd stefangimmillaro 833 68 2 Oct 2024 164th AdrienHache 🇫🇷 833 85 1 Oct 2024 164th namelessiw 833 85 33 hours ago 166th kg583 🇺🇸 833 124 20 Oct 2024 166th AlephSquirrel 833 124 21 Oct 2024 168th Shanethegamer 🇺🇸 832 77 1 Oct 2024 168th edsrzf 🇳🇿 832 77 27 days ago 170th sean-niemann 🇺🇸 832 81 20 Dec 2024 171st nwellnhof 🇩🇪 832 84 2 Oct 2024 171st ovs-code 🇩🇪 832 84 2 Nov 2024 171st inventshah 832 84 31 Mar 2025 174th error256 832 106 8 Oct 2024 175th stefangimmillaro 830 80 12 Nov 2024 176th primo-ppcg 🇹🇭 830 128 27 Apr 2025 177th emplv 🇱🇻 828 77 28 Mar 2025 178th stefangimmillaro 828 112 4 Oct 2024 179th xsot 🇸🇬 827 125 20 Oct 2024 180th emplv 🇱🇻 827 142 2 Oct 2024 180th sean-niemann 🇺🇸 827 142 2 Oct 2024 182nd sean-niemann 🇺🇸 826 107 3 Oct 2024 183rd m-tkach 🇺🇦 825 144 8 Oct 2024 184th ovs-code 🇩🇪 825 200 19 Apr 2025 185th retrohun 824 71 10 Jan 2025 186th Kacarott 🇦🇺 823 73 1 Oct 2024 186th chunes3 🇺🇸 823 73 2 Oct 2024 188th sean-niemann 🇺🇸 823 114 2 Oct 2024 189th saito-ta 🇯🇵 822 85 1 Oct 2024 190th MeWhenI 🇻🇦 822 143 2 Oct 2024 191st m-tkach 🇺🇦 821 58 8 Oct 2024 192nd dcgjb 821 78 6 May 2025 193rd MeWhenI 🇻🇦 820 85 5 Oct 2024 194th emplv 🇱🇻 820 145 24 Oct 2024 195th MeWhenI 🇻🇦 819 98 1 Oct 2024 195th GolfingSuccess 🇬🇷 819 98 5 Oct 2024 195th firegene 🇮🇪 819 98 21 Oct 2024 198th MeWhenI 🇻🇦 817 104 2 Oct 2024 199th MeWhenI 🇻🇦 817 130 3 Oct 2024 200th MeWhenI 🇻🇦 816 142 2 Oct 2024 201st ovs-code 🇩🇪 815 65 30 Oct 2024 202nd lifthrasiir 🇰🇷 815 197 19 Dec 2024 203rd m-tkach 🇺🇦 814 138 3 Oct 2024 204th MeWhenI 🇻🇦 813 85 4 Oct 2024 205th Shanethegamer 🇺🇸 812 69 2 Oct 2024 206th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 206th DialFrost 🇸🇬 812 83 8 Oct 2024 208th JohandeRuiter 🇳🇱 812 86 17 Jan 2025 209th GrayJoKing 🇦🇺 811 35 17 hours ago 210th SirBogman 🇺🇸 811 99 8 Oct 2024 211th MeWhenI 🇻🇦 811 109 2 Oct 2024 212th primo-ppcg 🇹🇭 811 235 15 Apr 2025 213th Shanethegamer 🇺🇸 810 70 9 Apr 2025 214th stefangimmillaro 810 143 3 Oct 2024 214th sean-niemann 🇺🇸 810 143 24 Oct 2024 216th stefangimmillaro 808 99 3 Oct 2024 217th Natanaelel 🇸🇪 807 59 7 Feb 2025 218th GolfingSuccess 🇬🇷 806 31 5 Oct 2024 219th edsrzf 🇳🇿 805 118 27 Feb 2025 220th error256 805 144 2 Oct 2024 221st emgordon154 805 205 7 Mar 2025 222nd edsrzf 🇳🇿 804 98 5 Nov 2024 223rd ovs-code 🇩🇪 804 106 1 Oct 2024 223rd inventshah 804 106 1 Oct 2024 225th anter69 🇭🇺 803 100 1 Oct 2024 Prev 151–225 of 672 Next