All holes in Ruby 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Holes Points Chars Submitted 560th No-Jons 1 643 70 27 Oct 2020 560th Xyberista 1 643 70 29 Mar 2021 560th dylanarmstrong 1 643 70 18 Dec 2023 560th TheDrawingCoder-Gamer 1 643 70 2 Jul 2025 565th angetheo 1 641 39 19 Jan 2018 565th okkun-oreo 1 641 39 2 Nov 2020 565th TheRealOhead 🇺🇸 1 641 39 24 Nov 2022 565th Maximizer02 1 641 39 17 Sep 2025 569th germania 1 634 71 4 Jan 2020 569th c99zealot 1 634 71 1 Aug 2020 569th SpeedyNinja 1 634 71 20 Oct 2020 569th techeverri 1 634 71 21 Apr 2022 569th DxSper 1 634 71 16 Feb 2024 574th ted 1 631 65 17 Apr 2018 575th dymowski 2 628 1,078 15 Jul 2019 576th Heathcorp 🇦🇺 1 625 40 26 Nov 2022 577th amazingalek 🇳🇴 1 625 72 18 Dec 2025 578th rachelambda 1 616 73 7 Jun 2020 578th mwarvik 🇳🇴 1 616 73 16 Dec 2025 580th Dingus357 🇦🇺 1 614 197 14 Oct 2023 581st bstrautin 1 610 77 12 Jun 2020 582nd aglahir1 1 608 74 5 Nov 2021 583rd TheAristos 5 606 4,142 11 Dec 2019 584th dunghopper 1 604 106 26 Oct 2023 585th Zach1031 2 604 354 15 Nov 2025 586th p-vf 🇨🇭 1 600 55 25 Oct 2021 587th DmitryArtyomov 1 600 75 25 Apr 2020 588th Ogeima 1 593 54 13 Apr 2023 589th MichaelWarnecke 1 592 76 27 Apr 2020 589th Cobrabb 1 592 76 7 Oct 2021 591st tomh1012 2 588 268 24 days ago 592nd gfund 1 587 46 5 Oct 2022 593rd dCSeven 1 586 70 21 Mar 2019 594th dvargas46 🇺🇸 1 583 115 26 Mar 2022 595th ptarjan 1 577 71 25 Mar 2018 595th alabhyajindal 1 577 71 3 Apr 2025 597th martynas-sm 1 577 78 13 Apr 2021 598th lowie1803 1 571 56 22 Jun 2023 599th awei82 2 571 790 30 Jun 2022 600th volpi-m 🇫🇷 2 569 2,466 19 Mar 2024 601st martica 1 568 44 20 May 2018 602nd basuneko 1 565 46 8 Nov 2017 603rd Shirish111 1 563 80 12 Sep 2019 603rd torokmark 1 563 80 17 Nov 2019 603rd javmorin 1 563 80 17 May 2020 603rd CodeF53 1 563 80 6 Mar 2025 607th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 607th hacker112 🇸🇪 1 556 45 1 Jul 2024 609th anna328p 1 556 81 22 Feb 2019 609th elisherer 🇮🇱 1 556 81 3 Apr 2019 611th Mikaeel66 1 553 47 10 Nov 2019 611th Edjyzod 1 553 47 3 Oct 2022 613th th1rt3en 1 551 49 13 May 2018 614th ngocbd 🇻🇳 1 549 71 31 Aug 2021 615th jacobmichaelis 1 549 82 27 May 2022 615th TEdFlow18 1 549 82 2 Jan 2023 617th Marcel-Brouette 1 542 48 26 Aug 2018 618th pg98 1 542 72 14 Mar 2018 619th rtmacaibay 1 542 83 28 Mar 2020 620th declank 1 538 117 3 days ago 621st genius257 1 536 84 29 Mar 2018 621st joesenova 1 536 84 26 Apr 2018 623rd JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 623rd Mikey-Beep 🇬🇧 1 532 47 20 Aug 2025 625th alexkurowski 1 531 49 8 Nov 2017 626th domgetter 1 529 51 10 Jun 2020 627th youchan 1 529 85 16 Dec 2018 628th Schmitt-Very-Cool 3 529 1,434 18 Jul 2024 629th alexandre-lavoie 1 523 86 30 Jul 2020 629th kjeldahl 1 523 86 4 Nov 2020 629th ratPoopert 1 523 86 31 Jan 2023 629th mateusz-sterczewski 1 523 86 15 Jan 2026 633rd sech1p 🇵🇱 1 521 48 30 Dec 2020 633rd martinnorling 🇸🇪 1 521 48 6 Feb 2022 633rd eiburns 1 521 48 7 Sep 2023 633rd SwordF-Official 🇺🇸 1 521 48 2 Jun 2025 637th sstadick 1 520 50 24 Jan 2018 638th nico-bachner 2 519 2,434 28 Dec 2020 639th julioolvr 1 517 87 1 Aug 2020 639th 5si 1 517 87 2 Nov 2020 First Prev 561–640 of 821 Next Last