Evil Numbers 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 Points Chars Time 76th n1LS 667 39 2 Oct 2019 76th ajc2 667 39 18 Oct 2019 76th AlephSquirrel 667 39 7 Mar 2023 76th vluyzvg 667 39 30 Mar 2023 76th LostSyntax21 🇬🇧 667 39 23 Aug 2024 76th Lv0Sys 🇵🇱 667 39 26 May 2025 82nd aydamak 650 40 15 May 2024 83rd robymus 634 41 17 Sep 2018 84th biinari 619 42 27 Mar 2018 84th adoxography 619 42 22 Jul 2018 84th jstanley0 619 42 12 Dec 2020 84th rucin93 🇵🇱 619 42 14 May 2025 88th ConorOBrien-Foxx 605 43 10 Apr 2018 88th nlc 605 43 11 Apr 2018 88th reireias 605 43 30 Jul 2019 88th handisb 605 43 14 Sep 2019 88th mogron 605 43 13 Dec 2019 88th dwayneparton 605 43 8 May 2020 88th Michaelncallahan 605 43 8 May 2020 88th aksyristos 605 43 31 Jan 2023 96th snltd 591 44 14 Aug 2019 96th sapphyrus 591 44 18 Feb 2020 96th meenie 591 44 1 Jan 2021 96th Pluviolithic 591 44 17 Oct 2023 100th tom-lord 578 45 8 Nov 2017 100th clupasq 578 45 3 Feb 2018 100th biji1 578 45 26 Apr 2018 100th atsushiootani 578 45 7 Aug 2018 100th 0xddom 578 45 18 Dec 2019 100th tadd 578 45 16 Apr 2020 100th Secozzi 578 45 21 Oct 2020 100th Luj8n 578 45 12 Nov 2021 100th badboj40 578 45 14 Feb 2023 109th rlue 565 46 8 Nov 2017 109th basuneko 565 46 8 Nov 2017 109th JeremyC-za 565 46 10 Nov 2017 109th Yytsi 565 46 14 Mar 2019 109th TFeld00 🇩🇰 565 46 6 Jun 2019 109th th0rex 565 46 10 Jun 2019 109th Mir0ff944 565 46 23 Oct 2019 109th fynnkroeger 565 46 17 Oct 2022 117th kobaltz 553 47 8 Nov 2017 117th stevehodges 553 47 8 Nov 2017 117th iamsolarpowered 553 47 15 Dec 2017 117th babcockd 553 47 19 Dec 2017 117th Mikaeel66 553 47 10 Nov 2019 117th branch14 553 47 3 Aug 2020 117th maths22 🇺🇸 553 47 9 Dec 2020 117th HallMatthew314 553 47 10 Dec 2021 117th Edjyzod 553 47 3 Oct 2022 126th jacobsmith 542 48 15 Feb 2018 126th yokasuretsu 542 48 18 Apr 2018 126th Marcel-Brouette 542 48 26 Aug 2018 126th jamespeilunli 542 48 1 May 2022 130th alexkurowski 531 49 8 Nov 2017 130th Boostik 531 49 7 Jan 2018 130th chris-arsenault 531 49 2 Feb 2018 130th caerbannogwhite 531 49 13 Apr 2018 130th jetpks 531 49 27 Jun 2019 130th boxjelly 531 49 12 Feb 2021 130th RustemB 🇷🇺 531 49 4 May 2021 130th schachmattmatt 531 49 11 Aug 2021 138th sstadick 520 50 24 Jan 2018 138th sacthedev 520 50 3 Apr 2018 138th tsundokul 520 50 6 Nov 2018 138th atayarani 520 50 17 Jan 2019 138th Noxilex 520 50 20 Mar 2019 138th op-ecoprintq 520 50 31 Jul 2020 138th eggplants 🇯🇵 520 50 26 Nov 2020 145th san-nat 510 51 12 Dec 2020 145th frnco 510 51 2 Jun 2022 145th Krtecik 510 51 9 Feb 2024 145th Ralac07 🇦🇺 510 51 4 Jul 2024 149th flavono123 500 52 15 Jul 2019 149th pandapawskat 500 52 7 Oct 2021 Prev 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