Card Number Validation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 161st sean-niemann 🇺🇸 852 51 2ms 2 Oct 2024 162nd kg583 🇺🇸 851 134 43ms 22 days ago 163rd lifthrasiir 🇰🇷 850 76 10ms 16 Nov 2024 163rd snoozingnewt 🇨🇦 850 76 10ms 6 Dec 2025 163rd dokutan 850 76 18ms 6 hours ago 166th MostParsingVex 850 100 1,024ms 1 Oct 2024 167th error256 849 106 94ms 8 Oct 2024 168th emgordon154 848 67 1,283ms 18 Nov 2024 169th Lv0Sys 🇵🇱 848 76 14ms 19 days ago 170th m-tkach 🇺🇦 848 144 79ms 8 Oct 2024 171st duckyluuk 🇳🇱 846 68 357ms 4 Oct 2024 172nd primo-ppcg 🇹🇭 846 128 41ms 27 Apr 2025 173rd lynn 846 131 138ms 8 Jan 2025 174th KasperKivimaeki 🇫🇮 845 141 290ms 9 Oct 2025 175th error256 844 94 2ms 7 Oct 2024 176th KasperKivimaeki 🇫🇮 844 103 490ms 8 Dec 2025 177th IanUtley 844 113 20ms 2 Oct 2024 178th sean-niemann 🇺🇸 844 114 41ms 2 Oct 2024 179th sean-niemann 🇺🇸 844 121 2ms 30 Nov 2024 179th edsrzf 🇳🇿 844 121 3ms 21 days ago 181st edsrzf 🇳🇿 843 98 7ms 17 days ago 182nd emplv 🇱🇻 843 145 25ms 24 Oct 2024 183rd xsot 🇸🇬 840 57 35ms 6 May 2025 184th Shanethegamer 🇺🇸 840 67 258ms 3 Oct 2024 184th antimon2 🇯🇵 840 67 469ms 9 Oct 2024 186th kg583 🇺🇸 840 86 4ms 22 days ago 187th jatloe 839 77 11ms 1 Oct 2024 188th xsot 🇸🇬 839 82 2ms 6 May 2025 189th emplv 🇱🇻 839 142 287ms 2 Oct 2024 189th sean-niemann 🇺🇸 839 142 275ms 2 Oct 2024 191st GrayJoKing 🇦🇺 838 47 4ms 1 Oct 2024 191st Steffan153 🇫🇮 838 47 4ms 25 days ago 193rd edsrzf 🇳🇿 838 131 28ms 10 Feb 2026 194th Shanethegamer 🇺🇸 837 77 12ms 1 Oct 2024 194th biocommando 🇫🇮 837 77 10ms 13 Jun 2025 196th edsrzf 🇳🇿 837 83 103ms 21 days ago 197th snoozingnewt 🇨🇦 837 92 112ms 18 Dec 2025 198th JayXon 🇺🇸 837 109 1,459ms 5 Oct 2024 199th stefangimmillaro 836 68 1,290ms 2 Oct 2024 200th sean-niemann 🇺🇸 836 81 10ms 20 Dec 2024 200th Steffan153 🇫🇮 836 81 11ms 11 Feb 2026 202nd edsrzf 🇳🇿 835 115 3ms 19 Dec 2025 203rd emgordon154 834 69 467ms 18 Nov 2024 204th stefangimmillaro 834 80 2,338ms 12 Nov 2024 205th stefangimmillaro 834 112 150ms 4 Oct 2024 206th edsrzf 🇳🇿 833 108 88ms 26 Jul 2025 207th MeWhenI 🇻🇦 833 130 40ms 3 Oct 2024 208th edsrzf 🇳🇿 833 133 154ms 19 Dec 2025 209th MeWhenI 🇻🇦 833 143 304ms 2 Oct 2024 210th ovs-code 🇩🇪 833 200 1,474ms 19 Apr 2025 211th edsrzf 🇳🇿 832 137 44ms 16 Aug 2025 212th JayXon 🇺🇸 832 155 1,904ms 3 Oct 2024 213th qpwoeirut 829 78 10ms 1 Oct 2025 213th Flekay 🇩🇪 829 78 17ms 26 days ago 213th KatieLG 🇬🇧 829 78 17ms 14 days ago 216th nwellnhof 🇩🇪 828 105 458ms 22 Jan 2026 217th dcgjb 826 78 11ms 6 May 2025 218th m-tkach 🇺🇦 825 58 39ms 8 Oct 2024 218th anter69 🇭🇺 825 58 63ms 16 days ago 220th stefangimmillaro 825 99 111ms 3 Oct 2024 221st retrohun 824 71 9ms 10 Jan 2025 222nd ovs-code 🇩🇪 823 78 125ms 2 Oct 2024 223rd albanian-laundromat 822 70 375ms 3 Nov 2025 224th MeWhenI 🇻🇦 822 92 11ms 24 Dec 2024 225th primo-ppcg 🇹🇭 822 232 525ms 13 Aug 2025 226th sean-niemann 🇺🇸 820 48 4ms 9 Aug 2025 227th ovs-code 🇩🇪 820 65 5ms 30 Oct 2024 228th ovs-code 🇩🇪 820 106 453ms 1 Oct 2024 228th inventshah 820 106 463ms 1 Oct 2024 230th nwellnhof 🇩🇪 819 84 2ms 2 Oct 2024 230th ovs-code 🇩🇪 819 84 1ms 2 Nov 2024 230th inventshah 819 84 2ms 31 Mar 2025 233rd MeWhenI 🇻🇦 819 114 470ms 7 Nov 2025 234th frosster 🇨🇦 818 97 2ms 11 Feb 2026 235th GrayJoKing 🇦🇺 818 101 9ms 15 days ago 236th MeWhenI 🇻🇦 818 183 18ms 2 Oct 2024 237th MeWhenI 🇻🇦 817 85 173ms 4 Oct 2024 238th MeWhenI 🇻🇦 817 104 1,025ms 2 Oct 2024 239th canissimia 🇦🇶 817 130 3ms 4 Oct 2024 240th sisyphus-ppcg 🇦🇺 816 83 8ms 2 Oct 2024 First Prev 161–240 of 908 Next Last