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 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 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 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 Holes Points Chars Submitted 526th Shirish111 1 563 80 12 Sep 2019 526th torokmark 1 563 80 17 Nov 2019 526th javmorin 1 563 80 17 May 2020 526th CodeF53 1 563 80 6 Mar 2025 530th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 530th hacker112 🇸🇪 1 556 45 1 Jul 2024 532nd anna328p 1 556 81 22 Feb 2019 532nd elisherer 🇮🇱 1 556 81 3 Apr 2019 534th Mikaeel66 1 553 47 10 Nov 2019 534th Edjyzod 1 553 47 3 Oct 2022 536th th1rt3en 1 551 49 13 May 2018 537th ngocbd 🇻🇳 1 549 71 31 Aug 2021 538th jacobmichaelis 1 549 82 27 May 2022 538th TEdFlow18 1 549 82 2 Jan 2023 540th Marcel-Brouette 1 542 48 26 Aug 2018 541st rtmacaibay 1 542 83 28 Mar 2020 542nd genius257 1 536 84 29 Mar 2018 542nd joesenova 1 536 84 26 Apr 2018 544th JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 544th Mikey-Beep 🇬🇧 1 532 47 20 Aug 2025 546th alexkurowski 1 531 49 8 Nov 2017 547th domgetter 1 529 51 10 Jun 2020 548th youchan 1 529 85 16 Dec 2018 549th alexandre-lavoie 1 523 86 30 Jul 2020 549th kjeldahl 1 523 86 4 Nov 2020 549th ratPoopert 1 523 86 31 Jan 2023 552nd vcxl-l 1 522 67 21 Aug 2024 553rd sech1p 🇵🇱 1 521 48 30 Dec 2020 553rd martinnorling 🇸🇪 1 521 48 6 Feb 2022 553rd eiburns 1 521 48 7 Sep 2023 553rd SwordF-Official 1 521 48 2 Jun 2025 557th sstadick 1 520 50 24 Jan 2018 558th Schmitt-Very-Cool 3 519 1,434 18 Jul 2024 559th nico-bachner 2 519 2,434 28 Dec 2020 560th julioolvr 1 517 87 1 Aug 2020 560th 5si 1 517 87 2 Nov 2020 562nd DragonaireM 1 516 62 6 Feb 2023 562nd arctouch-cristiannevianna 1 516 62 20 Oct 2023 564th jansekulowicz 1 512 82 8 May 2022 565th wjessop 1 511 237 16 Apr 2020 566th b-paul 1 510 49 25 Dec 2020 567th Krtecik 1 510 51 9 Feb 2024 568th juntuu 1 508 65 24 Mar 2019 569th Import-Meow 2 508 330 31 May 2022 570th neihousaigaai 1 505 93 13 Feb 2024 571st ktheory 1 504 240 14 Jan 2020 572nd vonKrafft 2 500 106 26 Mar 2020 573rd lightgeb 2 498 474 27 Oct 2023 574th artem-aramma 1 494 83 18 Jun 2025 575th azure-blondon 1 490 51 10 Jul 2024 576th BuoyantPigeon 1 489 92 10 Aug 2019 577th felixli1998 2 485 1,280 22 Aug 2024 578th oneWaveAdrian 🇩🇪 1 482 251 17 Jan 2024 579th gpolumbo-broad 1 481 52 14 Mar 2019 580th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 581st PotatoSaladOverlord 1 474 95 18 Jan 2024 582nd DNNX 1 473 55 3 Jan 2020 583rd Mefred 1 471 87 7 days ago 584th Drew-j-Smith 1 467 75 11 Jan 2023 585th serene 1 464 97 12 May 2023 586th kenakingkong 1 460 63 4 May 2021 587th hyvyys 1 458 59 22 Sep 2020 588th Smetalo 1 458 72 25 Aug 2022 589th evanbattaglia 1 452 168 23 Apr 2021 590th hiracky16 1 443 61 15 Dec 2019 591st axpepper 1 441 93 29 Sep 2018 592nd Dominoscompute 1 441 102 18 Jul 2022 593rd llwwns 1 441 143 1 May 2023 594th textninja 1 441 429 26 Sep 2020 595th markturner 1 440 75 30 Nov 2020 596th sm1lko 1 439 57 14 Dec 2022 597th ArturLukianov 1 433 104 17 Dec 2020 597th abbasmoosajee07 1 433 104 25 May 2025 599th GWStuart 2 430 1,124 15 Sep 2023 600th ze-h 🇺🇸 1 429 63 18 May 2022 First Prev 526–600 of 802 Next Last