All holes in Ruby 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 Topological Sort 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 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 Knight 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 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 Knight 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 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 Topological Sort 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 Trinomial Triangle Turtle Tutorial # Golfer Holes Points Chars Time 522nd TheDrawingCoder-Gamer 1 643 70 2 Jul 2025 527th angetheo 1 641 39 19 Jan 2018 527th okkun-oreo 1 641 39 2 Nov 2020 527th TheRealOhead 🇺🇸 1 641 39 24 Nov 2022 530th germania 1 634 71 4 Jan 2020 530th c99zealot 1 634 71 1 Aug 2020 530th SpeedyNinja 1 634 71 20 Oct 2020 530th techeverri 1 634 71 21 Apr 2022 530th DxSper 1 634 71 16 Feb 2024 535th ted 1 631 65 17 Apr 2018 536th dymowski 2 628 1,078 15 Jul 2019 537th Heathcorp 🇦🇺 1 625 40 26 Nov 2022 538th rachelambda 1 616 73 7 Jun 2020 539th bstrautin 1 610 77 12 Jun 2020 540th aglahir1 1 608 74 5 Nov 2021 541st TheAristos 5 606 4,142 11 Dec 2019 542nd dunghopper 1 604 106 26 Oct 2023 543rd p-vf 🇨🇭 1 600 55 25 Oct 2021 544th DmitryArtyomov 1 600 75 25 Apr 2020 545th Ogeima 1 593 54 13 Apr 2023 546th MichaelWarnecke 1 592 76 27 Apr 2020 546th Cobrabb 1 592 76 7 Oct 2021 548th gfund 1 587 46 5 Oct 2022 549th dCSeven 1 586 70 21 Mar 2019 550th dvargas46 🇺🇸 1 583 115 26 Mar 2022 551st ptarjan 1 577 71 25 Mar 2018 551st alabhyajindal 1 577 71 3 Apr 2025 553rd martynas-sm 1 577 78 13 Apr 2021 554th lowie1803 1 571 56 22 Jun 2023 555th awei82 2 571 790 30 Jun 2022 556th volpi-m 🇫🇷 2 569 2,466 19 Mar 2024 557th martica 1 568 44 20 May 2018 557th Maximizer02 1 568 44 1 Oct 2023 559th basuneko 1 565 46 8 Nov 2017 560th Shirish111 1 563 80 12 Sep 2019 560th torokmark 1 563 80 17 Nov 2019 560th javmorin 1 563 80 17 May 2020 560th CodeF53 1 563 80 6 Mar 2025 564th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 564th hacker112 🇸🇪 1 556 45 1 Jul 2024 566th anna328p 1 556 81 22 Feb 2019 566th elisherer 🇮🇱 1 556 81 3 Apr 2019 568th Mikaeel66 1 553 47 10 Nov 2019 568th Edjyzod 1 553 47 3 Oct 2022 570th th1rt3en 1 551 49 13 May 2018 571st ngocbd 🇻🇳 1 549 71 31 Aug 2021 572nd jacobmichaelis 1 549 82 27 May 2022 572nd TEdFlow18 1 549 82 2 Jan 2023 574th Dingus357 🇦🇺 1 543 197 14 Oct 2023 575th Marcel-Brouette 1 542 48 26 Aug 2018 576th rtmacaibay 1 542 83 28 Mar 2020 577th genius257 1 536 84 29 Mar 2018 577th joesenova 1 536 84 26 Apr 2018 579th JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 580th alexkurowski 1 531 49 8 Nov 2017 581st domgetter 1 529 51 10 Jun 2020 582nd youchan 1 529 85 16 Dec 2018 583rd Schmitt-Very-Cool 3 529 1,434 18 Jul 2024 584th alexandre-lavoie 1 523 86 30 Jul 2020 584th kjeldahl 1 523 86 4 Nov 2020 584th ratPoopert 1 523 86 31 Jan 2023 587th vcxl-l 1 522 67 21 Aug 2024 588th sech1p 🇵🇱 1 521 48 30 Dec 2020 588th martinnorling 🇸🇪 1 521 48 6 Feb 2022 588th eiburns 1 521 48 7 Sep 2023 588th SwordF-Official 1 521 48 2 Jun 2025 592nd sstadick 1 520 50 24 Jan 2018 593rd nico-bachner 2 519 2,434 28 Dec 2020 594th julioolvr 1 517 87 1 Aug 2020 594th 5si 1 517 87 2 Nov 2020 596th DragonaireM 1 516 62 6 Feb 2023 596th arctouch-cristiannevianna 1 516 62 20 Oct 2023 598th jansekulowicz 1 512 82 8 May 2022 599th Import-Meow 2 512 330 31 May 2022 600th b-paul 1 510 49 25 Dec 2020 Prev 526–600 of 775 Next