The Mandelbrot hole will go live in approximately 7 hours. Why not try and solve it ahead of time?
Collatz in all languages 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 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 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 Mandelbrot 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Mandelbrot 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 599th TechNolaByte 873 61 6 Jul 2022 599th Heathcorp 🇦🇺 873 61 17 Jul 2022 599th C0de5mith 🇺🇸 873 61 3 Aug 2022 599th sebipopa 🇷🇴 873 61 18 Aug 2022 599th moikaturns 🇬🇧 873 61 25 Sep 2022 599th FlorianCassayre 🇫🇷 873 61 27 Sep 2022 599th Mazn3k 873 61 1 Feb 2023 599th tvcv901 873 61 22 Mar 2023 599th unfinishedprogram 873 61 19 Jul 2023 599th snoozingnewt 🇺🇸 873 61 23 Sep 2023 599th funnyboy-roks 873 61 9 May 2024 599th bac0id 873 61 29 Jun 2024 599th madex 🇩🇪 873 61 9 Jul 2024 599th cdesodt 873 61 10 Oct 2024 599th RobertHoeh 873 61 5 Apr 2025 599th kirjavascript 873 61 4 May 2025 599th LvLError 873 61 29 May 2025 599th Lv0Sys 🇵🇱 873 61 30 May 2025 599th Protothor 873 61 30 May 2025 620th NerdyMcNerd42 873 64 26 Oct 2022 620th tpasfieldERAU 873 64 14 Nov 2022 620th CheeseCake628 🇳🇴 873 64 6 Jan 2023 620th adamnielson42 🇺🇸 873 64 25 Apr 2023 620th nathsou 🇫🇷 873 64 2 Sep 2023 620th zwxzwxzwx21 873 64 30 Jan 2024 620th steffan-polygolf 873 64 8 Mar 2024 620th Jacob385 873 64 4 Apr 2024 620th gallium-gonzollium 873 64 26 Aug 2024 629th ovs-code 🇩🇪 873 73 22 Jul 2023 630th Grrisly 873 74 25 Mar 2024 631st GrayJoKing 🇦🇺 872 84 19 Jun 2022 631st primo-ppcg 🇹🇭 872 84 29 Jun 2022 633rd althryenix 872 134 25 Jul 2022 633rd MrGagnonHPS 872 134 1 Nov 2023 633rd noescareno 872 134 31 May 2025 633rd Schmitt-Very-Cool 872 134 13 days ago 637th Shanethegamer 🇺🇸 872 152 9 Sep 2023 637th emgordon154 872 152 2 Oct 2024 637th DialFrost 🇸🇬 872 152 27 Oct 2024 640th HPWiz 🇳🇿 871 49 4 May 2022 640th JayXon 🇺🇸 871 49 5 May 2022 640th Steffan153 🇫🇮 871 49 10 Dec 2022 640th ovs-code 🇩🇪 871 49 24 Oct 2023 640th sean-niemann 🇺🇸 871 49 12 Jul 2024 645th Shanethegamer 🇺🇸 871 66 4 May 2022 645th scpchicken 🇵🇼 871 66 5 May 2022 645th sisyphus-ppcg 🇦🇺 871 66 6 May 2022 645th Natanaelel 🇸🇪 871 66 15 Jun 2022 645th Z-snails 871 66 27 Feb 2023 645th Jeremy-Stafford 871 66 27 Feb 2023 645th alomiF 871 66 1 Sep 2023 645th btnlq 871 66 17 Oct 2023 653rd c0d3-4-F00d 🇩🇪 871 89 5 May 2022 653rd fkantelberg 871 89 15 Jul 2023 653rd bac0id 871 89 26 Sep 2023 653rd TRexOnGit 871 89 16 Feb 2024 653rd arcpolaris 871 89 18 Nov 2024 658th dokutan 870 62 28 Apr 2025 659th johnnythedoggie 870 72 13 May 2022 660th DialFrost 🇸🇬 870 73 27 days ago 661st inventshah 870 97 6 May 2022 661st roupiq 🇵🇱 870 97 22 Nov 2023 663rd MeWhenI 🇻🇦 870 207 21 Apr 2025 664th janbehrens 🇩🇪 869 90 21 Apr 2023 664th Yewzir 🇧🇪 869 90 22 Apr 2023 664th DialFrost 🇸🇬 869 90 6 Nov 2023 664th Ripick 869 90 27 Nov 2024 668th GolfingSuccess 🇬🇷 868 71 5 May 2022 668th emplv 🇱🇻 868 71 5 May 2022 668th JayXon 🇺🇸 868 71 7 May 2022 668th m-tkach 🇺🇦 868 71 15 May 2022 668th nwellnhof 🇩🇪 868 71 5 Jun 2022 668th Irratix 🇳🇱 868 71 13 Jun 2022 668th michael-pruglo 🇺🇦 868 71 13 Jul 2022 668th stefangimmillaro 868 71 2 Jun 2023 Prev 601–675 of 3,139 Next
