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 321st sean-niemann 🇺🇸 779 107 375ms 3 Oct 2024 322nd Shanethegamer 🇺🇸 779 120 364ms 24 Sep 2025 323rd m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 324th bizy-coder 778 74 424ms 1 Oct 2024 324th m-tkach 🇺🇦 778 74 481ms 3 Oct 2024 326th uttumuttu 🇫🇮 777 83 10ms 1 Oct 2024 326th KatieLG 🇬🇧 777 83 11ms 1 Oct 2024 326th Larento 777 83 11ms 4 Nov 2024 326th Andrey-Plotnikov 777 83 10ms 13 Jan 2025 326th nathanadams 🇳🇿 777 83 11ms 6 Oct 2025 331st adriweb 🇫🇷 777 102 1ms 5 Oct 2024 332nd sean-niemann 🇺🇸 777 105 461ms 1 Oct 2024 333rd AlephSquirrel 776 124 7ms 21 Oct 2024 334th Natanaelel 🇸🇪 775 143 145ms 20 Apr 2025 335th sisyphus-ppcg 🇦🇺 773 62 38ms 3 Oct 2024 336th DialFrost 🇸🇬 773 121 369ms 24 Sep 2025 337th DialFrost 🇸🇬 771 90 2ms 18 Nov 2025 338th AlephSquirrel 770 84 20ms 1 Oct 2024 338th kops-cg 770 84 20ms 22 Feb 2025 338th xnor-gate 770 84 21ms 23 Feb 2025 341st targrik 770 88 9ms 7 Feb 2025 342nd Waffle3z 770 103 2ms 2 Oct 2024 343rd xsot 🇸🇬 770 125 7ms 20 Oct 2024 344th retrohun 769 63 20ms 2 Oct 2024 345th ovs-code 🇩🇪 769 122 148ms 25 Apr 2025 346th dokutan 768 75 390ms 24 days ago 347th lifthrasiir 🇰🇷 767 37 2ms 27 Nov 2024 348th didion0 🇺🇸 767 84 11ms 10 Jan 2025 349th retrohun 766 90 2ms 3 days ago 350th MeWhenI 🇻🇦 765 109 372ms 2 Oct 2024 351st emplv 🇱🇻 764 76 140ms 29 Oct 2024 352nd albanian-laundromat 🇺🇸 763 118 90ms 13 Nov 2025 353rd GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 354th inventshah 761 85 22ms 4 Oct 2024 354th Artemis21 🇬🇧 761 85 11ms 10 Jan 2025 354th keelimeguy 🇺🇸 761 85 19ms 14 Jun 2025 357th MeWhenI 🇻🇦 761 89 5ms 2 Oct 2024 358th emgordon154 760 63 35ms 18 Nov 2024 358th SirBogman 🇺🇸 760 63 35ms 19 Jul 2025 360th DialFrost 🇸🇬 759 76 1,034ms 30 Aug 2025 361st AlephSquirrel 758 76 438ms 1 Oct 2024 362nd weliveinhell 🇭🇹 758 85 10ms 1 Oct 2024 362nd SteRoy 758 85 10ms 13 May 2025 364th albanian-laundromat 🇺🇸 758 161 27ms 10 Mar 2026 365th 0xjac 🇨🇭 754 158 266ms 17 Jun 2025 366th MeWhenI 🇻🇦 754 162 26ms 2 Oct 2024 367th GrayJoKing 🇦🇺 753 90 5ms 1 Oct 2024 368th kg583 🇺🇸 752 156 36ms 22 days ago 369th stackofbears 750 52 34ms 14 Mar 2025 370th DialFrost 🇸🇬 750 75 806ms 10 Oct 2024 371st Maznek 750 86 11ms 4 Oct 2024 372nd MeWhenI 🇻🇦 750 89 2,264ms 24 Oct 2024 373rd luuumine 🇫🇷 749 92 1ms 5 Dec 2025 373rd bzd7 749 92 2ms 7 Dec 2025 375th sean-niemann 🇺🇸 749 116 459ms 24 Oct 2024 375th luuumine 🇫🇷 749 116 448ms 15 Dec 2025 377th Shanethegamer 🇺🇸 748 64 36ms 3 Oct 2024 377th Andriamanitra 🇫🇮 748 64 35ms 5 Oct 2024 379th Babafaba 748 77 402ms 11 Nov 2025 380th MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 381st rak1507 🇬🇧 747 38 2ms 30 Dec 2024 382nd sean-niemann 🇺🇸 747 93 114ms 24 Oct 2024 383rd Natanaelel 🇸🇪 745 53 3ms 10 Jan 2026 384th Shanethegamer 🇺🇸 744 121 89ms 3 Oct 2024 385th JOrE20 743 87 17ms 21 Feb 2026 386th SirBogman 🇺🇸 741 63 312ms 23 Jul 2025 387th KrausRaus 🇺🇸 741 87 10ms 1 Oct 2024 387th GeorgeStechman 🇬🇧 741 87 13ms 24 Oct 2024 387th coreynash 741 87 10ms 13 Feb 2025 387th kirjavascript 741 87 11ms 22 Jul 2025 391st Shanethegamer 🇺🇸 741 90 2,577ms 28 Oct 2024 391st ScottHamper 741 90 2,357ms 11 Dec 2025 393rd sean-niemann 🇺🇸 741 93 1ms 24 Oct 2024 394th HumanoidCPU 738 78 428ms 7 Mar 2025 395th stefangimmillaro 736 92 8ms 2 Oct 2024 395th Shanethegamer 🇺🇸 736 92 5ms 3 Oct 2024 397th MeWhenI 🇻🇦 736 111 127ms 2 Oct 2024 398th MeWhenI 🇻🇦 735 34 54ms 2 Oct 2024 398th emgordon154 735 34 62ms 11 Sep 2025 398th plcc0 735 34 69ms 31 Jan 2026 First Prev 321–400 of 931 Next Last