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 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 Bytes Time Submitted 151st stefangimmillaro 856 139 269ms 3 Oct 2024 151st edsrzf 🇳🇿 856 139 257ms 23 Jul 2025 153rd m-tkach 🇺🇦 855 87 5ms 6 Oct 2024 154th MeWhenI 🇻🇦 854 92 15ms 24 Dec 2024 155th ovs-code 🇩🇪 853 46 5ms 4 Oct 2024 155th nwellnhof 🇩🇪 853 46 5ms 7 Oct 2024 157th sean-niemann 🇺🇸 853 56 42ms 8 Aug 2025 158th JayXon 🇺🇸 853 95 424ms 4 Oct 2024 159th edsrzf 🇳🇿 850 86 4ms 24 Jul 2025 160th MostParsingVex 850 100 17ms 1 Oct 2024 161st emgordon154 848 67 1,010ms 18 Nov 2024 162nd DialFrost 🇸🇬 847 94 21ms 1 Oct 2024 162nd ndren 847 94 20ms 14 Feb 2025 164th edsrzf 🇳🇿 847 150 42ms 27 Feb 2025 165th primo-ppcg 🇹🇭 846 128 43ms 27 Apr 2025 166th error256 844 106 320ms 8 Oct 2024 167th IanUtley 844 113 29ms 2 Oct 2024 168th CLOStrophobic 🇮🇹 844 119 7ms 24 Feb 2025 169th KasperKivimaeki 🇫🇮 844 141 259ms 9 Oct 2025 170th lynn 843 131 168ms 8 Jan 2025 171st error256 842 94 2ms 7 Oct 2024 172nd sean-niemann 🇺🇸 840 121 2ms 30 Nov 2024 173rd xsot 🇸🇬 838 57 43ms 6 May 2025 174th moustave 838 95 19ms 4 Nov 2024 174th emgordon154 838 95 20ms 18 Nov 2024 176th emplv 🇱🇻 838 142 261ms 2 Oct 2024 176th sean-niemann 🇺🇸 838 142 252ms 2 Oct 2024 178th JayXon 🇺🇸 837 109 1,354ms 5 Oct 2024 179th stefangimmillaro 836 68 1,045ms 2 Oct 2024 180th GrayJoKing 🇦🇺 835 47 4ms 1 Oct 2024 181st Shanethegamer 🇺🇸 835 77 10ms 1 Oct 2024 181st edsrzf 🇳🇿 835 77 9ms 10 May 2025 181st biocommando 🇫🇮 835 77 9ms 13 Jun 2025 184th nwellnhof 🇩🇪 835 84 2ms 2 Oct 2024 184th ovs-code 🇩🇪 835 84 2ms 2 Nov 2024 184th inventshah 835 84 2ms 31 Mar 2025 187th sean-niemann 🇺🇸 835 114 44ms 2 Oct 2024 188th m-tkach 🇺🇦 835 144 84ms 8 Oct 2024 189th sean-niemann 🇺🇸 834 81 9ms 20 Dec 2024 190th MeWhenI 🇻🇦 833 130 61ms 3 Oct 2024 191st ovs-code 🇩🇪 833 200 824ms 19 Apr 2025 192nd MeWhenI 🇻🇦 832 143 261ms 2 Oct 2024 193rd JayXon 🇺🇸 832 155 3 Oct 2024 194th stefangimmillaro 831 112 145ms 4 Oct 2024 195th emplv 🇱🇻 830 77 131ms 28 Mar 2025 196th stefangimmillaro 830 80 2,185ms 12 Nov 2024 197th KasperKivimaeki 🇫🇮 829 96 43ms 1 Jul 2025 197th MeWhenI 🇻🇦 829 96 18ms 30 Jul 2025 199th edsrzf 🇳🇿 829 108 288ms 26 Jul 2025 200th emplv 🇱🇻 829 145 41ms 24 Oct 2024 201st m-tkach 🇺🇦 827 138 29ms 3 Oct 2024 202nd saito-ta 🇯🇵 826 85 2ms 1 Oct 2024 203rd dcgjb 825 78 10ms 6 May 2025 204th retrohun 824 71 9ms 10 Jan 2025 205th MeWhenI 🇻🇦 824 85 2ms 5 Oct 2024 206th m-tkach 🇺🇦 823 58 37ms 8 Oct 2024 207th Kacarott 🇦🇺 823 73 1,161ms 1 Oct 2024 207th chunes3 🇺🇸 823 73 1,046ms 2 Oct 2024 209th kg583 🇺🇸 823 115 11ms 24 days ago 210th DialFrost 🇸🇬 822 82 101ms 23 Jun 2025 211th stefangimmillaro 822 99 109ms 3 Oct 2024 212th primo-ppcg 🇹🇭 822 232 506ms 13 Aug 2025 213th edsrzf 🇳🇿 821 118 4ms 27 Jul 2025 214th ovs-code 🇩🇪 820 65 6ms 30 Oct 2024 215th sean-niemann 🇺🇸 818 48 5ms 9 Aug 2025 216th MeWhenI 🇻🇦 817 104 19ms 2 Oct 2024 217th canissimia 🇦🇶 817 130 4ms 4 Oct 2024 218th JohandeRuiter 🇳🇱 816 86 1ms 17 Jan 2025 219th MeWhenI 🇻🇦 815 114 342ms 3 days ago 220th lifthrasiir 🇰🇷 815 197 10ms 19 Dec 2024 221st Shanethegamer 🇺🇸 814 69 357ms 2 Oct 2024 222nd sisyphus-ppcg 🇦🇺 814 83 8ms 2 Oct 2024 223rd MeWhenI 🇻🇦 813 85 104ms 4 Oct 2024 224th GolfingSuccess 🇬🇷 813 98 23ms 5 Oct 2024 224th firegene 🇮🇪 813 98 17ms 21 Oct 2024 First Prev 151–225 of 813 Next Last