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 241st ovs-code 🇩🇪 821 106 437ms 1 Oct 2024 241st inventshah 821 106 456ms 1 Oct 2024 243rd MeWhenI 🇻🇦 820 85 108ms 4 Oct 2024 244th MeWhenI 🇻🇦 820 114 470ms 7 Nov 2025 245th frosster 🇨🇦 819 97 2ms 11 Feb 2026 246th sisyphus-ppcg 🇦🇺 818 83 10ms 2 Oct 2024 247th MeWhenI 🇻🇦 818 183 15ms 2 Oct 2024 248th canissimia 🇦🇶 817 130 3ms 4 Oct 2024 249th JayXon 🇺🇸 817 186 1,687ms 27 hours ago 250th lifthrasiir 🇰🇷 815 197 9ms 19 Dec 2024 251st Shanethegamer 🇺🇸 814 70 1,296ms 9 Apr 2025 252nd sean-niemann 🇺🇸 813 115 361ms 24 Sep 2025 252nd stefangimmillaro 813 115 671ms 6 Oct 2025 254th albanian-laundromat 🇺🇸 813 118 4ms 11 Dec 2025 255th stefangimmillaro 813 126 2ms 3 Oct 2024 256th stefangimmillaro 813 134 41ms 3 Oct 2024 257th emgordon154 813 205 1,428ms 7 Mar 2025 258th jusaka 812 35 3ms 3 days ago 259th Natanaelel 🇸🇪 812 59 35ms 7 Feb 2025 260th lifthrasiir 🇰🇷 812 71 476ms 2 Dec 2024 261st saito-ta 🇯🇵 811 85 1ms 1 Oct 2024 262nd CLOStrophobic 🇮🇹 811 119 6ms 24 Feb 2025 263rd emgordon154 809 72 137ms 2 Oct 2024 263rd rucin93 🇵🇱 809 72 131ms 28 Feb 2026 265th DialFrost 🇸🇬 808 106 24ms 23 Mar 2025 266th albanian-laundromat 🇺🇸 808 120 42ms 3 Nov 2025 267th MeWhenI 🇻🇦 807 127 2ms 5 Oct 2024 267th albanian-laundromat 🇺🇸 807 127 3ms 3 Nov 2025 269th albanian-laundromat 🇺🇸 807 148 352ms 3 Dec 2025 270th GolfingSuccess 🇬🇷 806 31 69ms 5 Oct 2024 271st trinityy-7 806 80 11ms 23 Jul 2025 272nd error256 806 116 494ms 24 Sep 2025 273rd Shanethegamer 🇺🇸 805 102 451ms 4 Oct 2024 274th stefangimmillaro 804 89 479ms 4 Oct 2024 275th edsrzf 🇳🇿 804 104 405ms 21 Feb 2026 276th GrayJoKing 🇦🇺 803 58 6ms 24 Oct 2024 277th anter69 🇭🇺 803 71 1,213ms 25 Feb 2026 278th sean-niemann 🇺🇸 803 92 158ms 1 Oct 2025 279th m-tkach 🇺🇦 803 138 29ms 3 Oct 2024 279th Shanethegamer 🇺🇸 803 138 142ms 3 Oct 2024 281st stefangimmillaro 802 87 108ms 4 Oct 2024 282nd ovs-code 🇩🇪 802 119 15ms 1 Oct 2024 283rd Shanethegamer 🇺🇸 801 208 1,427ms 14 Apr 2025 283rd DialFrost 🇸🇬 801 208 1,464ms 18 Apr 2025 285th snoozingnewt 🇨🇦 800 72 409ms 6 Dec 2025 286th Shanethegamer 🇺🇸 800 128 2ms 3 Oct 2024 287th 2bular 798 49 31ms 8 Nov 2025 288th Babafaba 798 81 18ms 11 Nov 2025 289th DialFrost 🇸🇬 798 85 7ms 1 Oct 2024 289th xsot 🇸🇬 798 85 5ms 7 Oct 2024 291st MeWhenI 🇻🇦 798 109 444ms 2 Oct 2024 292nd tayloia 🇬🇧 796 81 11ms 3 Oct 2024 292nd targrik 796 81 11ms 8 Feb 2025 294th DialFrost 🇸🇬 796 84 2,495ms 26 Oct 2024 295th Natanaelel 🇸🇪 795 48 136ms 1 Oct 2024 296th MeWhenI 🇻🇦 795 90 488ms 2 Oct 2024 297th vang1ong7ang 795 118 151ms 11 days ago 298th MeWhenI 🇻🇦 795 122 39ms 5 Oct 2024 299th Shanethegamer 🇺🇸 792 88 114ms 4 Oct 2024 300th emgordon154 791 151 340ms 17 Jan 2025 301st jared-hughes 791 203 88ms 20 Dec 2024 302nd saito-ta 🇯🇵 790 74 7ms 1 Oct 2024 303rd SB-945 789 82 18ms 1 Oct 2024 303rd HumanoidCPU 789 82 63ms 7 Mar 2025 303rd fkantelberg 789 82 11ms 11 Jul 2025 303rd BrunoVisnadi 🇧🇷 789 82 10ms 21 Sep 2025 307th edsrzf 🇳🇿 789 119 155ms 23 Jul 2025 308th SirBogman 🇺🇸 789 138 39ms 11 Jul 2025 309th KingSkyrock 🇺🇸 787 82 11ms 14 Oct 2024 310th stefangimmillaro 786 61 35ms 1 Oct 2024 311th Shanethegamer 🇺🇸 786 91 459ms 3 Oct 2024 312th namelessiw 786 119 467ms 9 Oct 2025 313th Shanethegamer 🇺🇸 786 152 337ms 3 Oct 2024 313th targrik 786 152 342ms 7 Jul 2025 315th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 316th SirBogman 🇺🇸 782 50 32ms 8 Jul 2025 317th sean-niemann 🇺🇸 782 105 461ms 1 Oct 2024 318th sean-niemann 🇺🇸 782 107 375ms 3 Oct 2024 319th m-tkach 🇺🇦 782 131 2ms 4 Oct 2024 320th albanian-laundromat 🇺🇸 781 74 1,086ms 3 Nov 2025 First Prev 241–320 of 990 Next Last