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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 161st ovs-code 🇩🇪 859 46 5ms 4 Oct 2024 161st nwellnhof 🇩🇪 859 46 4ms 7 Oct 2024 163rd stefangimmillaro 859 139 337ms 3 Oct 2024 164th marshallward 🇺🇸 858 127 45ms 12 days ago 165th edsrzf 🇳🇿 858 143 29ms 15 days ago 166th MostParsingVex 857 100 1,024ms 1 Oct 2024 167th sean-niemann 🇺🇸 856 68 146ms 1 Oct 2024 168th kg583 🇺🇸 856 134 43ms 20 Feb 2026 168th edsrzf 🇳🇿 856 134 41ms 26 days ago 170th error256 853 106 94ms 8 Oct 2024 171st sean-niemann 🇺🇸 852 51 2ms 2 Oct 2024 172nd m-tkach 🇺🇦 852 144 79ms 8 Oct 2024 173rd emgordon154 851 67 1,283ms 18 Nov 2024 174th lifthrasiir 🇰🇷 851 76 11ms 16 Nov 2024 174th snoozingnewt 🇨🇦 851 76 10ms 6 Dec 2025 174th dokutan 851 76 18ms 14 Mar 2026 177th edsrzf 🇳🇿 851 98 7ms 25 Feb 2026 178th sean-niemann 🇺🇸 851 114 41ms 2 Oct 2024 179th primo-ppcg 🇹🇭 851 128 41ms 27 Apr 2025 180th Lv0Sys 🇵🇱 849 76 11ms 22 Feb 2026 181st duckyluuk 🇳🇱 848 68 469ms 4 Oct 2024 182nd kg583 🇺🇸 847 84 5ms 21 days ago 183rd sean-niemann 🇺🇸 847 121 2ms 30 Nov 2024 183rd edsrzf 🇳🇿 847 121 3ms 21 Feb 2026 185th KasperKivimaeki 🇫🇮 847 141 311ms 9 Oct 2025 186th emplv 🇱🇻 847 145 28ms 24 Oct 2024 187th lynn 846 131 138ms 8 Jan 2025 187th edsrzf 🇳🇿 846 131 168ms 21 days ago 189th error256 845 94 2ms 7 Oct 2024 190th KasperKivimaeki 🇫🇮 845 103 450ms 8 Dec 2025 191st edsrzf 🇳🇿 845 131 28ms 10 Feb 2026 192nd IanUtley 844 113 19ms 2 Oct 2024 193rd Shanethegamer 🇺🇸 842 67 276ms 3 Oct 2024 193rd antimon2 🇯🇵 842 67 493ms 9 Oct 2024 195th GrayJoKing 🇦🇺 841 47 5ms 1 Oct 2024 195th Steffan153 🇫🇮 841 47 4ms 16 Feb 2026 197th xsot 🇸🇬 841 57 35ms 6 May 2025 198th xsot 🇸🇬 841 82 2ms 6 May 2025 199th emplv 🇱🇻 841 142 324ms 2 Oct 2024 199th sean-niemann 🇺🇸 841 142 332ms 2 Oct 2024 201st jatloe 840 77 11ms 1 Oct 2024 202nd edsrzf 🇳🇿 840 83 107ms 21 Feb 2026 203rd stefangimmillaro 838 68 1,290ms 2 Oct 2024 204th Shanethegamer 🇺🇸 838 77 10ms 1 Oct 2024 204th biocommando 🇫🇮 838 77 10ms 13 Jun 2025 206th sean-niemann 🇺🇸 838 81 10ms 20 Dec 2024 206th Steffan153 🇫🇮 838 81 11ms 11 Feb 2026 208th edsrzf 🇳🇿 838 108 1,488ms 19 hours ago 209th stefangimmillaro 838 112 139ms 4 Oct 2024 210th MeWhenI 🇻🇦 838 130 40ms 3 Oct 2024 211th edsrzf 🇳🇿 837 108 88ms 26 Jul 2025 212th stefangimmillaro 836 80 2,328ms 12 Nov 2024 213th edsrzf 🇳🇿 836 139 37ms 37 hours ago 214th emgordon154 835 69 406ms 18 Nov 2024 215th edsrzf 🇳🇿 835 115 3ms 19 Dec 2025 216th MeWhenI 🇻🇦 835 143 340ms 2 Oct 2024 217th ovs-code 🇩🇪 833 200 1,451ms 19 Apr 2025 218th ovs-code 🇩🇪 829 78 109ms 2 Oct 2024 218th qpwoeirut 829 78 10ms 1 Oct 2025 218th Flekay 🇩🇪 829 78 20ms 15 Feb 2026 218th KatieLG 🇬🇧 829 78 18ms 28 Feb 2026 218th jusaka 829 78 18ms 14 days ago 223rd nwellnhof 🇩🇪 829 105 455ms 22 Jan 2026 224th stefangimmillaro 828 99 129ms 3 Oct 2024 225th dcgjb 827 78 12ms 6 May 2025 226th m-tkach 🇺🇦 826 58 38ms 8 Oct 2024 226th anter69 🇭🇺 826 58 68ms 25 Feb 2026 228th GrayJoKing 🇦🇺 826 101 7ms 27 Feb 2026 229th ovs-code 🇩🇪 824 65 5ms 30 Oct 2024 230th retrohun 824 71 9ms 10 Jan 2025 231st MeWhenI 🇻🇦 824 104 1,025ms 2 Oct 2024 232nd sean-niemann 🇺🇸 823 48 4ms 9 Aug 2025 233rd albanian-laundromat 🇺🇸 823 70 461ms 3 Nov 2025 234th MeWhenI 🇻🇦 822 92 12ms 24 Dec 2024 235th primo-ppcg 🇹🇭 822 232 525ms 13 Aug 2025 236th nwellnhof 🇩🇪 821 84 2ms 2 Oct 2024 236th ovs-code 🇩🇪 821 84 1ms 2 Nov 2024 236th inventshah 821 84 2ms 31 Mar 2025 239th MeWhenI 🇻🇦 821 85 2ms 5 Oct 2024 239th albanian-laundromat 🇺🇸 821 85 2ms 4 days ago First Prev 161–240 of 990 Next Last