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 601st b-paul 1 510 49 25 Dec 2020 602nd Krtecik 1 510 51 9 Feb 2024 603rd juntuu 1 508 65 24 Mar 2019 604th neihousaigaai 1 505 93 13 Feb 2024 605th lightgeb 2 498 474 27 Oct 2023 606th artem-aramma 1 494 83 18 Jun 2025 607th AntoineBlondon 1 490 51 10 Jul 2024 607th Mikey-Beep 🇬🇧 1 490 51 25 Dec 2024 609th BuoyantPigeon 1 489 92 10 Aug 2019 610th felixli1998 2 485 1,280 22 Aug 2024 611th gpolumbo-broad 1 481 52 14 Mar 2019 612th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 613th PotatoSaladOverlord 1 474 95 18 Jan 2024 614th DNNX 1 473 55 3 Jan 2020 615th Drew-j-Smith 1 467 75 11 Jan 2023 616th serene 1 464 97 12 May 2023 617th kenakingkong 1 460 63 4 May 2021 618th hyvyys 1 458 59 22 Sep 2020 619th Smetalo 1 458 72 25 Aug 2022 620th evanbattaglia 1 452 168 23 Apr 2021 621st wjessop 1 451 237 16 Apr 2020 622nd ktheory 1 446 240 14 Jan 2020 623rd hiracky16 1 443 61 15 Dec 2019 624th axpepper 1 441 93 29 Sep 2018 625th Dominoscompute 1 441 102 18 Jul 2022 626th llwwns 1 441 143 1 May 2023 627th textninja 1 441 429 26 Sep 2020 628th markturner 1 440 75 30 Nov 2020 629th sm1lko 1 439 57 14 Dec 2022 630th namelessiw 1 437 103 28 Jul 2023 631st ArturLukianov 1 433 104 17 Dec 2020 631st abbasmoosajee07 1 433 104 25 May 2025 633rd Msleizak 🇫🇷 3 433 2,187 14 Dec 2023 634th GWStuart 2 430 1,124 15 Sep 2023 635th ze-h 🇺🇸 1 429 63 18 May 2022 636th j-Ewan 1 429 105 15 Feb 2022 637th SubsTheTechnomancer 1 428 442 3 Mar 2023 638th oneWaveAdrian 🇩🇪 1 426 251 17 Jan 2024 639th pengu1n-master 1 425 106 11 Dec 2021 639th copoer 1 425 106 28 Feb 2023 639th keelimeguy 🇺🇸 1 425 106 24 Oct 2023 642nd comp0zr 1 421 449 27 Sep 2023 643rd SpareManiKatti 3 421 2,163 19 Apr 2022 644th kkittlive 1 417 108 5 Oct 2020 645th Ripick 1 415 65 17 Mar 2024 646th twocatsinatrenchcoat 1 413 109 25 Apr 2022 647th takafan 🇨🇳 1 413 155 13 Sep 2023 648th vincecoss 1 413 458 15 May 2022 649th etzrxd 1 412 153 25 Aug 2023 650th ferblape 1 405 116 26 Dec 2020 651st MaxElf999 1 403 67 14 Dec 2022 652nd Lucca-mito 1 402 112 18 Apr 2018 653rd ryo-ha-gi 1 398 475 22 Jul 2024 654th dev-Thae 1 393 481 6 Nov 2023 655th bobbysq 1 390 100 30 May 2023 656th kittrz9 5 390 4,212 7 Dec 2017 657th hrubymar10 1 385 117 18 Feb 2024 658th YinglunQ 1 383 493 18 Jul 2024 659th SB-945 3 381 2,858 8 Oct 2023 660th jtaxen 1 379 66 18 Mar 2022 661st gessgallardo 1 379 499 21 Jun 2022 662nd jthorup84 1 376 109 22 Nov 2017 663rd DanielDz21 🇧🇷 1 373 67 31 Oct 2023 664th Nekall 1 373 126 2 Jun 2022 665th eraserqueen 1 372 508 9 Nov 2020 666th Phil-Bergeman 1 369 122 27 Mar 2018 666th MarkStockwellZA 1 369 122 7 Jan 2022 668th hankhng 1 366 123 7 Oct 2020 669th joshuaballoch 1 366 292 15 Jan 2020 670th uncertaain 1 360 89 4 Dec 2024 671st KyanJeuring 1 360 125 7 Sep 2022 672nd gotbadger 1 359 231 21 Nov 2024 673rd apbassi89 1 358 528 2 Jun 2025 674th Sticky-Bits 1 354 127 19 Apr 2019 674th SniperSmiley 🇺🇸 1 354 127 3 Aug 2022 Prev 601–675 of 776 Next