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 Topological Sort 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 Knight 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 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 Knight 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 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 Topological Sort 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 151st sean-niemann 🇺🇸 852 56 13 hours ago 152nd edsrzf 🇳🇿 850 86 16 days ago 153rd MostParsingVex 850 100 1 Oct 2024 154th stefangimmillaro 850 139 3 Oct 2024 154th edsrzf 🇳🇿 850 139 17 days ago 156th JayXon 🇺🇸 848 104 6 Oct 2024 157th emgordon154 846 67 18 Nov 2024 158th DialFrost 🇸🇬 846 94 1 Oct 2024 158th ndren 846 94 14 Feb 2025 160th JayXon 🇺🇸 846 155 3 Oct 2024 161st AdrienHache 🇫🇷 843 84 16 days ago 162nd edsrzf 🇳🇿 841 150 27 Feb 2025 163rd CLOStrophobic 🇮🇹 840 119 24 Feb 2025 164th sean-niemann 🇺🇸 840 121 30 Nov 2024 165th lynn 840 131 8 Jan 2025 166th error256 839 94 7 Oct 2024 167th primo-ppcg 🇹🇭 839 128 27 Apr 2025 168th xsot 🇸🇬 837 57 6 May 2025 169th moustave 837 95 4 Nov 2024 169th emgordon154 837 95 18 Nov 2024 171st JayXon 🇺🇸 837 109 5 Oct 2024 172nd GrayJoKing 🇦🇺 835 47 1 Oct 2024 173rd IanUtley 835 113 2 Oct 2024 174th sean-niemann 🇺🇸 835 114 2 Oct 2024 175th Shanethegamer 🇺🇸 834 77 1 Oct 2024 175th edsrzf 🇳🇿 834 77 10 May 2025 175th biocommando 🇫🇮 834 77 13 Jun 2025 178th stefangimmillaro 833 68 2 Oct 2024 179th nwellnhof 🇩🇪 833 84 2 Oct 2024 179th ovs-code 🇩🇪 833 84 2 Nov 2024 179th inventshah 833 84 31 Mar 2025 182nd sean-niemann 🇺🇸 832 81 20 Dec 2024 183rd error256 832 106 8 Oct 2024 184th emplv 🇱🇻 832 142 2 Oct 2024 184th sean-niemann 🇺🇸 832 142 2 Oct 2024 186th emplv 🇱🇻 830 77 28 Mar 2025 187th stefangimmillaro 830 80 12 Nov 2024 188th stefangimmillaro 830 112 4 Oct 2024 189th KasperKivimaeki 🇫🇮 828 96 1 Jul 2025 189th MeWhenI 🇻🇦 828 96 10 days ago 191st MeWhenI 🇻🇦 826 130 3 Oct 2024 192nd MeWhenI 🇻🇦 826 143 2 Oct 2024 193rd m-tkach 🇺🇦 825 144 8 Oct 2024 194th ovs-code 🇩🇪 825 200 19 Apr 2025 195th retrohun 824 71 10 Jan 2025 196th MeWhenI 🇻🇦 824 85 5 Oct 2024 197th m-tkach 🇺🇦 823 58 8 Oct 2024 198th Kacarott 🇦🇺 823 73 1 Oct 2024 198th chunes3 🇺🇸 823 73 2 Oct 2024 200th dcgjb 823 78 6 May 2025 201st saito-ta 🇯🇵 823 85 1 Oct 2024 202nd DialFrost 🇸🇬 822 82 23 Jun 2025 203rd edsrzf 🇳🇿 821 118 13 days ago 204th MeWhenI 🇻🇦 821 142 2 Oct 2024 205th ovs-code 🇩🇪 820 65 30 Oct 2024 206th emplv 🇱🇻 820 145 24 Oct 2024 207th sean-niemann 🇺🇸 818 48 8 hours ago 208th MeWhenI 🇻🇦 817 104 2 Oct 2024 209th edsrzf 🇳🇿 817 108 14 days ago 210th stefangimmillaro 815 143 3 Oct 2024 210th sean-niemann 🇺🇸 815 143 24 Oct 2024 212th lifthrasiir 🇰🇷 815 197 19 Dec 2024 213th m-tkach 🇺🇦 814 138 3 Oct 2024 214th MeWhenI 🇻🇦 813 85 4 Oct 2024 215th stefangimmillaro 813 99 3 Oct 2024 216th Shanethegamer 🇺🇸 812 69 2 Oct 2024 217th sisyphus-ppcg 🇦🇺 812 83 2 Oct 2024 218th GolfingSuccess 🇬🇷 811 98 5 Oct 2024 218th firegene 🇮🇪 811 98 21 Oct 2024 220th primo-ppcg 🇹🇭 811 235 23 Jun 2025 221st Shanethegamer 🇺🇸 810 70 9 Apr 2025 222nd error256 810 144 2 Oct 2024 223rd Natanaelel 🇸🇪 809 59 7 Feb 2025 224th ovs-code 🇩🇪 808 106 1 Oct 2024 224th inventshah 808 106 1 Oct 2024 Prev 151–225 of 734 Next