Card Number Validation in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th cbrt-x 701 157 1 Oct 2024 377th Shanethegamer 🇺🇸 700 92 3 Oct 2024 377th error256 700 92 7 Oct 2024 377th thatbirdguythatuknownot 700 92 14 Oct 2024 380th Alex-x90 🇺🇸 700 100 1 Oct 2024 381st mousetail 🇳🇱 699 133 3 Oct 2024 382nd LukeBridges 🇬🇧 698 92 3 Oct 2024 383rd sean-niemann 🇺🇸 697 82 23 Dec 2024 384th BlankSpruce 697 123 1 Oct 2024 385th Shanethegamer 🇺🇸 696 172 2 Oct 2024 386th Shanethegamer 🇺🇸 693 41 4 Oct 2024 387th Bulmenisaurus 693 93 6 Oct 2024 387th lynn 693 93 8 Jan 2025 387th RaBa21 🇭🇺 693 93 7 days ago 390th emgordon154 693 101 25 Nov 2024 391st emgordon154 693 134 25 Feb 2025 392nd albanian-laundromat 692 147 26 days ago 393rd tobeannouncd 692 159 13 Dec 2024 394th Alex-x90 🇺🇸 691 124 1 Oct 2024 394th Herbert00709 🇵🇱 691 124 14 Jun 2025 396th xyangst 690 93 1 Oct 2024 396th Salutations45 690 93 17 Nov 2024 396th strattonwhisler 690 93 26 Mar 2025 399th Shanethegamer 🇺🇸 689 83 5 Oct 2024 400th MeWhenI 🇻🇦 688 174 13 Feb 2025 401st pardouin 🇫🇷 687 57 3 Oct 2024 402nd MeWhenI 🇻🇦 686 68 2 Oct 2024 403rd NickTheEASDude 🇺🇸 686 115 17 Dec 2024 404th DialFrost 🇸🇬 685 94 1 Oct 2024 405th Lv0Sys 🇵🇱 683 94 15 Jun 2025 405th XenThe 🇬🇧 683 94 19 days ago 407th ovs-code 🇩🇪 681 84 3 Oct 2024 408th error256 681 104 14 Oct 2024 409th madex 🇩🇪 679 103 2 Oct 2024 410th plcc0 676 37 6 Apr 2025 411th Shanethegamer 🇺🇸 676 65 1 Oct 2024 412th the-zammers 675 163 1 Dec 2024 413th BlankSpruce 673 104 1 Oct 2024 414th MeWhenI 🇻🇦 673 108 2 Oct 2024 415th snoozingnewt 🇺🇸 671 96 31 Mar 2025 415th KasperKivimaeki 🇫🇮 671 96 26 days ago 417th edsrzf 🇳🇿 671 99 22 days ago 418th aDwarfNamedUrist 671 164 16 Oct 2024 419th HumanoidCPU 669 96 7 Mar 2025 420th tailorspy 669 128 4 Oct 2024 421st error256 668 101 24 Oct 2024 422nd Herbert00709 🇵🇱 667 105 14 Jun 2025 423rd jwhear 🇺🇸 666 197 1 Oct 2024 424th AlephSquirrel 664 146 14 May 2025 425th two-bad 🇬🇧 662 97 2 Oct 2024 426th rniii 660 106 2 Oct 2024 426th gastropner 660 106 11 Feb 2025 428th dbut2 🇦🇺 660 179 31 Oct 2024 429th 4hg 🇺🇸 659 59 5 Oct 2024 430th MeWhenI 🇻🇦 659 88 2 Oct 2024 430th Shanethegamer 🇺🇸 659 88 5 Oct 2024 432nd emgordon154 659 111 12 Jan 2025 433rd MeWhenI 🇻🇦 657 98 1 Oct 2024 433rd GolfingSuccess 🇬🇷 657 98 5 Oct 2024 433rd firegene 🇮🇪 657 98 21 Oct 2024 433rd JunkIce 657 98 3 Dec 2024 437th DialFrost 🇸🇬 656 67 22 Dec 2024 438th BambooleanLogic 🇸🇪 655 98 21 Oct 2024 439th error256 654 142 31 May 2025 440th RyanMHsiao 652 201 1 Oct 2024 441st voytxt 🇨🇿 651 89 17 Apr 2025 441st dokutan 651 89 28 Jun 2025 443rd SirBogman 🇺🇸 651 99 8 Oct 2024 444th MeWhenI 🇻🇦 650 88 2 Oct 2024 445th dokutan 648 99 28 Jun 2025 446th bac0id 646 180 9 Jan 2025 447th w911 646 183 7 Oct 2024 448th rucin93 🇵🇱 645 144 28 Oct 2024 449th FlorianCassayre 🇫🇷 644 100 1 Oct 2024 449th bzijlema 🇳🇱 644 100 10 Oct 2024 Prev 376–450 of 720 Next