The Mandelbrot hole will go live in approximately 15 hours. Why not try and solve it ahead of time?
Collatz in all languages in bytes. 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 Bytes Time 826th canissimia 🇦🇶 888 204 25 Nov 2023 827th MeWhenI 🇻🇦 887 53 1 Jun 2022 827th stefangimmillaro 887 53 2 Oct 2022 827th Haksell 🇦🇶 887 53 22 Feb 2023 830th ovs-code 🇩🇪 887 151 9 Sep 2023 830th Yewzir 🇧🇪 887 151 21 May 2024 832nd GolfingSuccess 🇬🇷 885 71 5 May 2022 832nd emplv 🇱🇻 885 71 5 May 2022 832nd JayXon 🇺🇸 885 71 7 May 2022 832nd nwellnhof 🇩🇪 885 71 5 Jun 2022 832nd stefangimmillaro 885 71 2 Jun 2023 832nd 09cf 885 71 4 Oct 2023 832nd kkoenig 885 71 21 Dec 2023 832nd sean-niemann 🇺🇸 885 71 10 Jul 2024 832nd masinag 🇮🇹 885 71 6 Oct 2024 832nd KasperKivimaeki 🇫🇮 885 71 27 Mar 2025 842nd m-tkach 🇺🇦 885 117 7 May 2022 842nd Lydxn 🇨🇦 885 117 7 May 2022 844th Shanethegamer 🇺🇸 884 70 12 Dec 2022 844th Alessandro-Balconi 🇮🇹 884 70 26 Dec 2022 846th SiestaGuru 884 88 9 Jan 2023 846th rifatx 884 88 5 Jul 2024 848th janbehrens 🇩🇪 884 90 21 Apr 2023 848th Yewzir 🇧🇪 884 90 22 Apr 2023 848th DialFrost 🇸🇬 884 90 6 Nov 2023 848th Ripick 884 90 27 Nov 2024 852nd m-tkach 🇺🇦 884 112 7 days ago 853rd jared-hughes 884 130 15 Dec 2024 854th m-tkach 🇺🇦 883 59 21 Jan 2024 854th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 856th nipzu 883 94 17 May 2022 856th Natanaelel 🇸🇪 883 94 17 Jun 2022 856th nkoppel 883 94 19 Oct 2022 856th ovs-code 🇩🇪 883 94 21 Jun 2023 856th mousetail 🇳🇱 883 94 12 Jan 2024 861st Shanethegamer 🇺🇸 882 51 15 May 2023 862nd primo-ppcg 🇹🇭 882 85 14 Jan 2025 862nd MeWhenI 🇻🇦 882 85 21 Apr 2025 864th Irratix 🇳🇱 882 96 4 May 2022 864th MeWhenI 🇻🇦 882 96 1 Jun 2022 864th janbehrens 🇩🇪 882 96 21 Apr 2023 864th Shanethegamer 🇺🇸 882 96 15 May 2023 864th Yewzir 🇧🇪 882 96 11 Nov 2023 864th MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 864th kkoenig 882 96 21 Dec 2023 864th BlankSpruce 882 96 20 Aug 2024 864th fuzzylojik-golf 🇺🇸 882 96 16 days ago 873rd GrayJoKing 🇦🇺 881 60 24 Oct 2024 874th ovs-code 🇩🇪 881 73 22 Jul 2023 875th steffan-polygolf 881 74 14 Feb 2024 876th ravnskjaer 🇩🇰 881 133 11 Sep 2024 877th Shanethegamer 🇺🇸 881 152 9 Sep 2023 877th emgordon154 881 152 2 Oct 2024 877th DialFrost 🇸🇬 881 152 27 Oct 2024 880th Shanethegamer 🇺🇸 879 142 27 Mar 2025 880th DialFrost 🇸🇬 879 142 28 Mar 2025 880th emgordon154 879 142 10 Apr 2025 883rd dokutan 878 62 28 Apr 2025 884th Grrisly 878 74 25 Mar 2024 885th GrayJoKing 🇦🇺 878 84 19 Jun 2022 885th primo-ppcg 🇹🇭 878 84 29 Jun 2022 887th Shanethegamer 🇺🇸 877 66 4 May 2022 887th scpchicken 🇵🇼 877 66 5 May 2022 887th sisyphus-ppcg 🇦🇺 877 66 6 May 2022 887th Natanaelel 🇸🇪 877 66 15 Jun 2022 887th Z-snails 877 66 27 Feb 2023 887th Jeremy-Stafford 877 66 27 Feb 2023 887th alomiF 877 66 1 Sep 2023 887th btnlq 877 66 17 Oct 2023 895th Shanethegamer 🇺🇸 877 73 8 May 2025 895th DialFrost 🇸🇬 877 73 26 days ago 897th c0d3-4-F00d 🇩🇪 876 61 6 May 2022 897th jackkav 876 61 26 Jun 2022 897th TechNolaByte 876 61 6 Jul 2022 897th Heathcorp 🇦🇺 876 61 17 Jul 2022 Prev 826–900 of 3,157 Next
