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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 301st DialFrost 🇸🇬 771 121 349ms 24 Sep 2025 302nd sisyphus-ppcg 🇦🇺 770 62 34ms 3 Oct 2024 303rd Waffle3z 770 103 1ms 2 Oct 2024 304th retrohun 769 63 20ms 2 Oct 2024 305th AlephSquirrel 769 84 19ms 1 Oct 2024 305th kops-cg 769 84 19ms 22 Feb 2025 305th xnor-gate 769 84 19ms 23 Feb 2025 305th plcc0 769 84 17ms 6 Apr 2025 305th KatieLG 🇬🇧 769 84 25ms 25 May 2025 310th DialFrost 🇸🇬 769 90 2ms 19 days ago 311th targrik 768 88 8ms 7 Feb 2025 312th lifthrasiir 🇰🇷 767 37 2ms 27 Nov 2024 313th didion0 🇺🇸 766 84 9ms 10 Jan 2025 314th DialFrost 🇸🇬 766 131 7ms 11 Dec 2024 315th MeWhenI 🇻🇦 765 109 334ms 2 Oct 2024 315th edsrzf 🇳🇿 765 109 365ms 23 Jul 2025 317th ovs-code 🇩🇪 764 122 200ms 25 Apr 2025 318th emplv 🇱🇻 763 76 130ms 29 Oct 2024 319th albanian-laundromat 763 118 77ms 25 days ago 320th GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 321st GrayJoKing 🇦🇺 761 79 1,080ms 1 Oct 2024 322nd Shanethegamer 🇺🇸 761 132 7ms 2 Oct 2024 323rd inventshah 760 85 18ms 4 Oct 2024 323rd Artemis21 🇬🇧 760 85 10ms 10 Jan 2025 323rd keelimeguy 🇺🇸 760 85 15ms 14 Jun 2025 326th MeWhenI 🇻🇦 759 89 5ms 2 Oct 2024 327th emgordon154 758 63 37ms 18 Nov 2024 327th SirBogman 🇺🇸 758 63 32ms 19 Jul 2025 329th weliveinhell 🇭🇹 757 85 9ms 1 Oct 2024 329th SteRoy 757 85 10ms 13 May 2025 331st AlephSquirrel 756 76 447ms 1 Oct 2024 332nd 0xjac 🇨🇭 754 158 256ms 17 Jun 2025 333rd GrayJoKing 🇦🇺 751 90 4ms 1 Oct 2024 334th stackofbears 750 52 35ms 14 Mar 2025 335th DialFrost 🇸🇬 749 75 739ms 10 Oct 2024 336th MeWhenI 🇻🇦 749 162 26ms 2 Oct 2024 337th Maznek 748 86 10ms 4 Oct 2024 338th MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 339th rak1507 🇬🇧 747 38 2ms 30 Dec 2024 340th Babafaba 747 77 366ms 27 days ago 341st Shanethegamer 🇺🇸 746 64 32ms 3 Oct 2024 341st Andriamanitra 🇫🇮 746 64 32ms 5 Oct 2024 343rd MeWhenI 🇻🇦 746 89 2,716ms 24 Oct 2024 344th luuumine 🇫🇷 746 92 1ms 3 days ago 344th bzd7 746 92 2ms 47 hours ago 346th Shanethegamer 🇺🇸 744 121 83ms 3 Oct 2024 347th sean-niemann 🇺🇸 743 93 100ms 24 Oct 2024 348th sean-niemann 🇺🇸 742 116 374ms 24 Oct 2024 349th SirBogman 🇺🇸 741 63 275ms 23 Jul 2025 350th KrausRaus 🇺🇸 740 87 9ms 1 Oct 2024 350th GeorgeStechman 🇬🇧 740 87 9ms 24 Oct 2024 350th coreynash 740 87 9ms 13 Feb 2025 350th kirjavascript 740 87 9ms 22 Jul 2025 354th Shanethegamer 🇺🇸 738 90 3,004ms 28 Oct 2024 355th sean-niemann 🇺🇸 738 93 3ms 24 Oct 2024 356th HumanoidCPU 737 78 414ms 7 Mar 2025 357th MeWhenI 🇻🇦 736 111 118ms 2 Oct 2024 358th MeWhenI 🇻🇦 735 34 50ms 2 Oct 2024 358th emgordon154 735 34 61ms 11 Sep 2025 360th stefangimmillaro 735 92 9ms 2 Oct 2024 360th Shanethegamer 🇺🇸 735 92 5ms 3 Oct 2024 362nd Shanethegamer 🇺🇸 735 100 116ms 24 May 2025 363rd wh3n3v3r 🇨🇿 734 88 10ms 18 Nov 2024 364th Shanethegamer 🇺🇸 733 116 18ms 1 Oct 2024 365th Shanethegamer 🇺🇸 732 156 30ms 2 Oct 2024 366th Shanethegamer 🇺🇸 731 101 4ms 2 Oct 2024 367th error256 731 109 8ms 24 Jul 2025 368th stefangimmillaro 731 114 326ms 13 Oct 2024 369th stefangimmillaro 730 94 1ms 30 Oct 2024 370th anter69 🇭🇺 729 78 1,023ms 1 Oct 2024 371st Shanethegamer 🇺🇸 729 112 102ms 3 Oct 2024 372nd CLOStrophobic 🇮🇹 728 160 41ms 27 Feb 2025 373rd zacjl 724 110 6ms 10 Oct 2024 374th Shanethegamer 🇺🇸 724 126 1,278ms 2 Oct 2024 375th dtbao20 🇻🇳 723 89 10ms 1 Oct 2024 First Prev 301–375 of 839 Next Last