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 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 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 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 ><> 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 ArkScript 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 ArkScript 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 Calendar 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 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 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 641st BuoyantPigeon 1 489 92 10 Aug 2019 642nd felixli1998 2 485 1,280 22 Aug 2024 643rd oneWaveAdrian 🇩🇪 1 482 251 17 Jan 2024 644th gpolumbo-broad 1 481 52 14 Mar 2019 645th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 646th PotatoSaladOverlord 1 474 95 18 Jan 2024 647th DNNX 1 473 55 3 Jan 2020 648th Mefred 1 471 87 25 Nov 2025 649th serene 1 464 97 12 May 2023 650th kenakingkong 1 460 63 4 May 2021 651st hyvyys 1 458 59 22 Sep 2020 652nd Smetalo 1 458 72 25 Aug 2022 653rd evanbattaglia 1 452 168 23 Apr 2021 654th hiracky16 1 443 61 15 Dec 2019 655th axpepper 1 441 93 29 Sep 2018 656th Dominoscompute 1 441 102 18 Jul 2022 657th llwwns 1 441 143 1 May 2023 658th textninja 1 441 429 26 Sep 2020 659th markturner 1 440 75 30 Nov 2020 660th sm1lko 1 439 57 14 Dec 2022 661st namelessiw 1 437 103 28 Jul 2023 662nd ArturLukianov 1 433 104 17 Dec 2020 662nd abbasmoosajee07 1 433 104 25 May 2025 664th Msleizak 🇫🇷 3 433 2,187 14 Dec 2023 665th GWStuart 2 430 1,124 15 Sep 2023 666th ze-h 🇺🇸 1 429 63 18 May 2022 667th j-Ewan 1 429 105 15 Feb 2022 668th SubsTheTechnomancer 1 428 442 3 Mar 2023 669th pengu1n-master 1 425 106 11 Dec 2021 669th copoer 1 425 106 28 Feb 2023 669th keelimeguy 🇺🇸 1 425 106 24 Oct 2023 672nd comp0zr 1 421 449 27 Sep 2023 673rd SpareManiKatti 3 421 2,163 19 Apr 2022 674th kkittlive 1 417 108 5 Oct 2020 675th Ripick 1 415 65 17 Mar 2024 676th joshuaballoch 1 414 292 15 Jan 2020 677th twocatsinatrenchcoat 1 413 109 25 Apr 2022 678th takafan 🇨🇳 1 413 155 13 Sep 2023 679th vincecoss 1 413 458 15 May 2022 680th etzrxd 1 412 153 25 Aug 2023 681st ferblape 1 405 116 26 Dec 2020 682nd MaxElf999 1 403 67 14 Dec 2022 683rd Lucca-mito 1 402 112 18 Apr 2018 684th ryo-ha-gi 1 398 475 22 Jul 2024 685th dev-Thae 1 393 481 6 Nov 2023 686th kurkale6ka 5 393 3,939 15 Dec 2025 687th bobbysq 1 390 100 30 May 2023 688th kittrz9 5 390 4,212 7 Dec 2017 689th hrubymar10 1 385 117 18 Feb 2024 690th YinglunQ 1 383 493 18 Jul 2024 691st SB-945 3 381 2,858 8 Oct 2023 692nd jtaxen 1 379 66 18 Mar 2022 693rd gessgallardo 1 379 499 21 Jun 2022 694th jthorup84 1 376 109 22 Nov 2017 695th DanielDz21 🇧🇷 1 373 67 31 Oct 2023 696th Nekall 1 373 126 2 Jun 2022 697th eraserqueen 1 372 508 9 Nov 2020 698th Phil-Bergeman 1 369 122 27 Mar 2018 698th MarkStockwellZA 1 369 122 7 Jan 2022 700th hankhng 1 366 123 7 Oct 2020 701st uncertaain 1 360 89 4 Dec 2024 702nd KyanJeuring 1 360 125 7 Sep 2022 703rd gotbadger 1 359 231 21 Nov 2024 704th apbassi89 1 358 528 2 Jun 2025 705th Languag3 1 356 132 24 Sep 2025 706th Sticky-Bits 1 354 127 19 Apr 2019 706th SniperSmiley 🇺🇸 1 354 127 3 Aug 2022 708th RoscoeDaWah 🇬🇧 1 352 128 22 Mar 2023 709th RyanRogan 1 351 77 15 Apr 2020 710th JackieAlacrity2373 1 344 131 11 Jun 2024 711th xkacer 🇨🇿 1 342 76 22 Nov 2020 712th BharadwajSridharan 🇮🇳 2 342 413 17 Nov 2020 713th RedzGoose 🇦🇺 1 341 132 10 Jun 2024 714th tomh1012 1 338 80 13 Oct 2020 715th mosegontar 1 338 139 6 Jul 2022 716th andymac-2 1 338 195 7 Jul 2024 717th OCNeve 1 333 171 3 Jul 2024 718th Onitech 1 329 82 14 Nov 2018 719th BryanH 2 328 833 22 Sep 2021 720th Noah-Fox 1 325 77 1 Jun 2022 First Prev 641–720 of 806 Next Last