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 m-tkach 🇺🇦 855 87 7ms 6 Oct 2024 162nd sean-niemann 🇺🇸 854 68 139ms 1 Oct 2024 163rd edsrzf 🇳🇿 854 143 29ms 4 days ago 164th marshallward 🇺🇸 853 127 45ms 25 hours ago 165th sean-niemann 🇺🇸 852 51 2ms 2 Oct 2024 166th lifthrasiir 🇰🇷 851 76 10ms 16 Nov 2024 166th snoozingnewt 🇨🇦 851 76 10ms 6 Dec 2025 166th dokutan 851 76 17ms 22 days ago 169th kg583 🇺🇸 851 134 43ms 20 Feb 2026 169th edsrzf 🇳🇿 851 134 43ms 15 days ago 171st MostParsingVex 850 100 1,024ms 1 Oct 2024 172nd error256 849 106 94ms 8 Oct 2024 173rd emgordon154 848 67 1,283ms 18 Nov 2024 174th Lv0Sys 🇵🇱 848 76 9ms 22 Feb 2026 175th m-tkach 🇺🇦 848 144 79ms 8 Oct 2024 176th duckyluuk 🇳🇱 847 68 357ms 4 Oct 2024 177th edsrzf 🇳🇿 847 107 1,321ms 4 days ago 178th primo-ppcg 🇹🇭 846 128 41ms 27 Apr 2025 179th lynn 846 131 138ms 8 Jan 2025 179th edsrzf 🇳🇿 846 131 175ms 10 days ago 181st KasperKivimaeki 🇫🇮 845 141 290ms 9 Oct 2025 182nd error256 844 94 2ms 7 Oct 2024 183rd KasperKivimaeki 🇫🇮 844 103 453ms 8 Dec 2025 184th IanUtley 844 113 19ms 2 Oct 2024 185th sean-niemann 🇺🇸 844 114 41ms 2 Oct 2024 186th sean-niemann 🇺🇸 844 121 2ms 30 Nov 2024 186th edsrzf 🇳🇿 844 121 3ms 21 Feb 2026 188th edsrzf 🇳🇿 843 98 7ms 25 Feb 2026 189th emplv 🇱🇻 842 145 25ms 24 Oct 2024 190th xsot 🇸🇬 841 82 2ms 6 May 2025 191st GrayJoKing 🇦🇺 840 47 6ms 1 Oct 2024 191st Steffan153 🇫🇮 840 47 6ms 16 Feb 2026 193rd xsot 🇸🇬 840 57 35ms 6 May 2025 194th Shanethegamer 🇺🇸 840 67 258ms 3 Oct 2024 194th antimon2 🇯🇵 840 67 469ms 9 Oct 2024 196th jatloe 840 77 11ms 1 Oct 2024 197th kg583 🇺🇸 840 84 5ms 10 days ago 198th emplv 🇱🇻 839 142 287ms 2 Oct 2024 198th sean-niemann 🇺🇸 839 142 275ms 2 Oct 2024 200th stefangimmillaro 838 112 139ms 4 Oct 2024 201st edsrzf 🇳🇿 838 131 28ms 10 Feb 2026 202nd Shanethegamer 🇺🇸 837 77 11ms 1 Oct 2024 202nd biocommando 🇫🇮 837 77 10ms 13 Jun 2025 204th edsrzf 🇳🇿 837 83 103ms 21 Feb 2026 205th snoozingnewt 🇨🇦 837 92 112ms 18 Dec 2025 206th stefangimmillaro 836 68 1,290ms 2 Oct 2024 207th sean-niemann 🇺🇸 836 81 10ms 20 Dec 2024 207th Steffan153 🇫🇮 836 81 11ms 11 Feb 2026 209th emgordon154 835 69 467ms 18 Nov 2024 210th edsrzf 🇳🇿 835 115 3ms 19 Dec 2025 211th stefangimmillaro 834 80 2,549ms 12 Nov 2024 212th edsrzf 🇳🇿 833 108 88ms 26 Jul 2025 213th MeWhenI 🇻🇦 833 130 40ms 3 Oct 2024 214th MeWhenI 🇻🇦 833 143 304ms 2 Oct 2024 215th ovs-code 🇩🇪 833 200 1,405ms 19 Apr 2025 216th JayXon 🇺🇸 832 155 1,904ms 3 Oct 2024 217th JayXon 🇺🇸 831 109 1,332ms 5 Oct 2024 218th qpwoeirut 829 78 10ms 1 Oct 2025 218th Flekay 🇩🇪 829 78 17ms 15 Feb 2026 218th KatieLG 🇬🇧 829 78 17ms 28 Feb 2026 218th jusaka 829 78 18ms 3 days ago 222nd nwellnhof 🇩🇪 828 105 448ms 22 Jan 2026 223rd dcgjb 826 78 10ms 6 May 2025 224th edsrzf 🇳🇿 826 142 33ms 14 days ago 225th m-tkach 🇺🇦 825 58 38ms 8 Oct 2024 225th anter69 🇭🇺 825 58 68ms 25 Feb 2026 227th stefangimmillaro 825 99 129ms 3 Oct 2024 228th retrohun 824 71 9ms 10 Jan 2025 229th albanian-laundromat 823 70 375ms 3 Nov 2025 230th ovs-code 🇩🇪 823 78 112ms 2 Oct 2024 231st sean-niemann 🇺🇸 822 48 5ms 9 Aug 2025 232nd MeWhenI 🇻🇦 822 92 11ms 24 Dec 2024 233rd primo-ppcg 🇹🇭 822 232 525ms 13 Aug 2025 234th nwellnhof 🇩🇪 821 84 2ms 2 Oct 2024 234th ovs-code 🇩🇪 821 84 1ms 2 Nov 2024 234th inventshah 821 84 2ms 31 Mar 2025 237th ovs-code 🇩🇪 820 65 5ms 30 Oct 2024 238th ovs-code 🇩🇪 820 106 431ms 1 Oct 2024 238th inventshah 820 106 448ms 1 Oct 2024 240th MeWhenI 🇻🇦 820 114 470ms 7 Nov 2025 First Prev 161–240 of 930 Next Last