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 albanian-laundromat 🇺🇸 779 74 1,086ms 3 Nov 2025 322nd Bmrl7 779 83 11ms 3 Oct 2024 323rd sean-niemann 🇺🇸 779 107 375ms 3 Oct 2024 324th m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 325th bizy-coder 778 74 469ms 1 Oct 2024 325th m-tkach 🇺🇦 778 74 456ms 3 Oct 2024 327th Shanethegamer 🇺🇸 778 120 364ms 24 Sep 2025 328th uttumuttu 🇫🇮 777 83 11ms 1 Oct 2024 328th KatieLG 🇬🇧 777 83 17ms 1 Oct 2024 328th Larento 777 83 13ms 4 Nov 2024 328th Andrey-Plotnikov 777 83 13ms 13 Jan 2025 328th nathanadams 🇳🇿 777 83 11ms 6 Oct 2025 333rd adriweb 🇫🇷 777 102 1ms 5 Oct 2024 334th sean-niemann 🇺🇸 777 105 461ms 1 Oct 2024 335th AlephSquirrel 776 124 7ms 21 Oct 2024 336th Natanaelel 🇸🇪 775 143 145ms 20 Apr 2025 337th sisyphus-ppcg 🇦🇺 773 62 36ms 3 Oct 2024 338th DialFrost 🇸🇬 773 90 2ms 18 Nov 2025 339th DialFrost 🇸🇬 772 121 369ms 24 Sep 2025 340th AlephSquirrel 770 84 22ms 1 Oct 2024 340th kops-cg 770 84 20ms 22 Feb 2025 340th xnor-gate 770 84 23ms 23 Feb 2025 343rd targrik 770 88 13ms 7 Feb 2025 344th Waffle3z 770 103 2ms 2 Oct 2024 345th xsot 🇸🇬 770 125 7ms 20 Oct 2024 346th retrohun 769 63 20ms 2 Oct 2024 347th ovs-code 🇩🇪 769 122 148ms 25 Apr 2025 348th lifthrasiir 🇰🇷 768 37 2ms 27 Nov 2024 349th dokutan 768 75 392ms 14 Mar 2026 350th didion0 🇺🇸 768 84 15ms 10 Jan 2025 351st retrohun 766 90 2ms 8 days ago 352nd MeWhenI 🇻🇦 765 109 372ms 2 Oct 2024 353rd emplv 🇱🇻 764 76 151ms 29 Oct 2024 354th albanian-laundromat 🇺🇸 763 118 90ms 13 Nov 2025 355th GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 356th inventshah 761 85 22ms 4 Oct 2024 356th Artemis21 🇬🇧 761 85 11ms 10 Jan 2025 356th keelimeguy 🇺🇸 761 85 20ms 14 Jun 2025 359th MeWhenI 🇻🇦 761 89 6ms 2 Oct 2024 360th emgordon154 760 63 35ms 18 Nov 2024 360th SirBogman 🇺🇸 760 63 35ms 19 Jul 2025 362nd DialFrost 🇸🇬 759 76 1,034ms 30 Aug 2025 363rd weliveinhell 🇭🇹 759 85 11ms 1 Oct 2024 363rd SteRoy 759 85 15ms 13 May 2025 365th AlephSquirrel 758 76 483ms 1 Oct 2024 366th albanian-laundromat 🇺🇸 758 161 27ms 10 Mar 2026 367th 0xjac 🇨🇭 754 158 321ms 17 Jun 2025 368th MeWhenI 🇻🇦 754 162 26ms 2 Oct 2024 369th GrayJoKing 🇦🇺 753 90 5ms 1 Oct 2024 370th kg583 🇺🇸 752 156 36ms 15 Mar 2026 371st stackofbears 750 52 34ms 14 Mar 2025 372nd DialFrost 🇸🇬 750 75 802ms 10 Oct 2024 373rd Maznek 750 86 10ms 4 Oct 2024 374th MeWhenI 🇻🇦 750 89 2,264ms 24 Oct 2024 375th luuumine 🇫🇷 749 92 1ms 5 Dec 2025 375th bzd7 749 92 2ms 7 Dec 2025 377th sean-niemann 🇺🇸 749 116 460ms 24 Oct 2024 377th luuumine 🇫🇷 749 116 438ms 15 Dec 2025 379th rak1507 🇬🇧 748 38 2ms 30 Dec 2024 380th Shanethegamer 🇺🇸 748 64 36ms 3 Oct 2024 380th Andriamanitra 🇫🇮 748 64 35ms 5 Oct 2024 382nd Babafaba 748 77 417ms 11 Nov 2025 383rd MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 384th sean-niemann 🇺🇸 747 93 114ms 24 Oct 2024 385th Natanaelel 🇸🇪 745 53 3ms 10 Jan 2026 386th Shanethegamer 🇺🇸 744 121 89ms 3 Oct 2024 387th JOrE20 743 87 20ms 21 Feb 2026 388th SirBogman 🇺🇸 741 63 267ms 23 Jul 2025 389th KrausRaus 🇺🇸 741 87 11ms 1 Oct 2024 389th GeorgeStechman 🇬🇧 741 87 14ms 24 Oct 2024 389th coreynash 741 87 11ms 13 Feb 2025 389th kirjavascript 741 87 10ms 22 Jul 2025 393rd Shanethegamer 🇺🇸 741 90 2,379ms 28 Oct 2024 393rd ScottHamper 741 90 2,357ms 11 Dec 2025 395th sean-niemann 🇺🇸 741 93 1ms 24 Oct 2024 396th HumanoidCPU 738 78 450ms 7 Mar 2025 397th stefangimmillaro 736 92 8ms 2 Oct 2024 397th Shanethegamer 🇺🇸 736 92 7ms 3 Oct 2024 399th MeWhenI 🇻🇦 736 111 127ms 2 Oct 2024 400th MeWhenI 🇻🇦 735 34 54ms 2 Oct 2024 First Prev 321–400 of 933 Next Last