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 MeWhenI 🇻🇦 818 183 16ms 2 Oct 2024 242nd MeWhenI 🇻🇦 817 85 114ms 4 Oct 2024 243rd MeWhenI 🇻🇦 817 104 1,025ms 2 Oct 2024 244th canissimia 🇦🇶 817 130 3ms 4 Oct 2024 245th sisyphus-ppcg 🇦🇺 816 83 8ms 2 Oct 2024 246th MeWhenI 🇻🇦 816 85 2ms 5 Oct 2024 247th lifthrasiir 🇰🇷 815 197 9ms 19 Dec 2024 248th sean-niemann 🇺🇸 813 115 361ms 24 Sep 2025 248th stefangimmillaro 813 115 671ms 6 Oct 2025 250th albanian-laundromat 813 118 4ms 11 Dec 2025 251st emgordon154 813 205 1,419ms 7 Mar 2025 252nd Shanethegamer 🇺🇸 812 70 1,296ms 9 Apr 2025 253rd Natanaelel 🇸🇪 811 59 35ms 7 Feb 2025 254th lifthrasiir 🇰🇷 811 71 419ms 2 Dec 2024 255th saito-ta 🇯🇵 811 85 1ms 1 Oct 2024 256th stefangimmillaro 810 126 2ms 3 Oct 2024 257th CLOStrophobic 🇮🇹 808 119 6ms 24 Feb 2025 258th stefangimmillaro 808 134 41ms 3 Oct 2024 259th emgordon154 807 72 128ms 2 Oct 2024 259th rucin93 🇵🇱 807 72 153ms 28 Feb 2026 261st GolfingSuccess 🇬🇷 806 31 69ms 5 Oct 2024 262nd trinityy-7 806 80 10ms 23 Jul 2025 263rd error256 806 116 494ms 24 Sep 2025 264th albanian-laundromat 805 148 279ms 3 Dec 2025 265th MeWhenI 🇻🇦 804 127 2ms 5 Oct 2024 265th albanian-laundromat 804 127 3ms 3 Nov 2025 267th GrayJoKing 🇦🇺 803 58 6ms 24 Oct 2024 268th Shanethegamer 🇺🇸 803 138 142ms 3 Oct 2024 269th stefangimmillaro 802 89 418ms 4 Oct 2024 270th DialFrost 🇸🇬 802 106 24ms 23 Mar 2025 271st ovs-code 🇩🇪 802 119 15ms 1 Oct 2024 272nd albanian-laundromat 802 120 42ms 3 Nov 2025 273rd edsrzf 🇳🇿 801 104 437ms 21 Feb 2026 274th Shanethegamer 🇺🇸 801 208 1,478ms 14 Apr 2025 274th DialFrost 🇸🇬 801 208 1,440ms 18 Apr 2025 276th anter69 🇭🇺 800 71 1,213ms 25 Feb 2026 277th snoozingnewt 🇨🇦 800 72 442ms 6 Dec 2025 278th Shanethegamer 🇺🇸 800 102 451ms 4 Oct 2024 279th sean-niemann 🇺🇸 799 92 161ms 1 Oct 2025 280th Babafaba 798 81 17ms 11 Nov 2025 281st stefangimmillaro 798 87 111ms 4 Oct 2024 282nd DialFrost 🇸🇬 797 85 8ms 1 Oct 2024 282nd xsot 🇸🇬 797 85 5ms 7 Oct 2024 284th MeWhenI 🇻🇦 797 109 445ms 2 Oct 2024 285th Shanethegamer 🇺🇸 797 128 2ms 3 Oct 2024 286th 2bular 796 49 31ms 8 Nov 2025 287th tayloia 🇬🇧 796 81 10ms 3 Oct 2024 287th targrik 796 81 10ms 8 Feb 2025 289th m-tkach 🇺🇦 796 138 29ms 3 Oct 2024 290th DialFrost 🇸🇬 794 84 2,655ms 26 Oct 2024 291st MeWhenI 🇻🇦 793 90 421ms 2 Oct 2024 292nd Natanaelel 🇸🇪 791 48 136ms 1 Oct 2024 293rd jared-hughes 791 203 88ms 20 Dec 2024 294th saito-ta 🇯🇵 790 74 7ms 1 Oct 2024 295th Shanethegamer 🇺🇸 789 88 122ms 4 Oct 2024 296th MeWhenI 🇻🇦 789 122 39ms 5 Oct 2024 297th emgordon154 789 151 288ms 17 Jan 2025 298th SB-945 788 82 17ms 1 Oct 2024 298th HumanoidCPU 788 82 65ms 7 Mar 2025 298th fkantelberg 788 82 11ms 11 Jul 2025 298th BrunoVisnadi 🇧🇷 788 82 10ms 21 Sep 2025 302nd edsrzf 🇳🇿 788 119 155ms 23 Jul 2025 303rd emgordon154 787 164 1,815ms 22 Dec 2025 304th KingSkyrock 🇺🇸 786 82 10ms 14 Oct 2024 305th namelessiw 786 119 565ms 9 Oct 2025 306th stefangimmillaro 785 61 35ms 1 Oct 2024 307th SirBogman 🇺🇸 785 138 39ms 11 Jul 2025 308th Shanethegamer 🇺🇸 784 91 442ms 3 Oct 2024 309th Shanethegamer 🇺🇸 784 152 278ms 3 Oct 2024 309th targrik 784 152 304ms 7 Jul 2025 311th MeWhenI 🇻🇦 783 88 1ms 2 Oct 2024 312th SirBogman 🇺🇸 780 50 32ms 8 Jul 2025 313th duckyluuk 🇳🇱 780 97 10ms 25 Nov 2025 314th albanian-laundromat 779 74 1,086ms 3 Nov 2025 315th Bmrl7 779 83 10ms 3 Oct 2024 316th sean-niemann 🇺🇸 779 107 375ms 3 Oct 2024 317th Shanethegamer 🇺🇸 779 120 364ms 24 Sep 2025 318th m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 319th bizy-coder 778 74 477ms 1 Oct 2024 319th m-tkach 🇺🇦 778 74 508ms 3 Oct 2024 First Prev 241–320 of 925 Next Last