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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 534th drochom 900 74 18 Jun 2024 534th hiichbindermax 900 74 22 Jun 2024 534th wuzekai518 900 74 9 Jul 2024 534th madex 🇩🇪 900 74 9 Jul 2024 534th cykim8811 900 74 11 Jul 2024 534th imelxr 🇮🇱 900 74 17 Aug 2024 534th EnTerr 900 74 25 Aug 2024 534th Mabeloid 🇳🇴 900 74 1 Sep 2024 534th madeforlosers 900 74 5 Sep 2024 534th LostSyntax21 🇬🇧 900 74 10 Sep 2024 534th Deedogg 900 74 11 Sep 2024 534th MassimoParisi 900 74 18 Sep 2024 534th cdesodt 900 74 10 Oct 2024 534th lifthrasiir 🇰🇷 900 74 13 Nov 2024 534th agreegious 900 74 17 Nov 2024 534th Stockoh 🇫🇷 900 74 17 Nov 2024 534th Andrey135296 900 74 24 Nov 2024 534th TralfamadorianComedian 900 74 6 Dec 2024 534th bltnppcnt 900 74 3 Jan 2025 534th ZorblaxV 900 74 12 Jan 2025 534th yokasuretsu 900 74 13 Jan 2025 534th Artemis21 🇬🇧 900 74 17 Jan 2025 534th gdpr777 900 74 10 Feb 2025 534th Pyroan 900 74 27 Mar 2025 534th FEZfan 🇦🇺 900 74 12 days ago 534th Squimbletin 900 74 12 days ago 534th Kowalskiexe 🇵🇱 900 74 11 days ago 534th Dandandooo 900 74 8 days ago 629th edsrzf 🇳🇿 900 83 14 Jan 2025 629th kg583 🇺🇸 900 83 14 Feb 2025 631st michael-pruglo 🇺🇦 900 94 5 Jul 2022 631st zygoloid 900 94 5 Aug 2024 633rd SirBogman 🇺🇸 899 50 5 May 2022 633rd nwellnhof 🇩🇪 899 50 3 Jun 2022 633rd Lydxn 🇨🇦 899 50 15 Aug 2022 633rd bitsandbeyond 🇳🇱 899 50 9 Aug 2024 633rd Steffan153 🇫🇮 899 50 9 Aug 2024 633rd DialFrost 🇸🇬 899 50 24 days ago 639th Lydxn 🇨🇦 899 69 12 Sep 2022 639th GrayJoKing 🇦🇺 899 69 12 Sep 2022 639th btnlq 899 69 24 Sep 2022 642nd Steffan153 🇫🇮 899 82 1 Apr 2023 642nd sean-niemann 🇺🇸 899 82 12 Jul 2024 644th DialFrost 🇸🇬 897 29 15 Mar 2025 645th Lydxn 🇨🇦 897 48 5 May 2022 645th pabloferz 897 48 6 Mar 2024 647th GrayJoKing 🇦🇺 897 70 6 May 2022 647th saito-ta 🇯🇵 897 70 21 Dec 2023 647th ovs-code 🇩🇪 897 70 17 Feb 2024 650th zacjl 896 34 11 Dec 2024 651st Steffan153 🇫🇮 896 59 10 Aug 2024 651st rucin93 🇵🇱 896 59 13 Oct 2024 651st sean-niemann 🇺🇸 896 59 13 Oct 2024 651st lukegustafson 🇺🇸 896 59 24 Oct 2024 655th MichalMarsalek 🇨🇿 896 87 5 May 2022 655th Kloppermand 🇩🇰 896 87 7 Oct 2022 657th nwellnhof 🇩🇪 896 111 4 May 2022 657th emplv 🇱🇻 896 111 5 May 2022 657th Shanethegamer 🇺🇸 896 111 21 Nov 2023 660th DialFrost 🇸🇬 895 69 15 Jul 2024 661st edsrzf 🇳🇿 895 78 26 Oct 2024 662nd Ripick 894 73 8 May 2023 663rd SiestaGuru 894 131 9 Jan 2023 663rd HumanoidCPU 894 131 7 May 2024 665th Lydxn 🇨🇦 893 72 16 Jul 2023 666th ovs-code 🇩🇪 893 89 24 Jul 2024 666th jipsong 🇩🇪 893 89 24 days ago 668th GrayJoKing 🇦🇺 893 91 19 Jan 2023 669th JayXon 🇺🇸 893 150 8 Sep 2023 670th oeb25 892 93 16 May 2022 670th snobee 🇨🇦 892 93 8 Dec 2022 670th logvp 892 93 2 Jan 2024 670th elgan65536 892 93 5 Mar 2024 670th smartiel 892 93 12 Aug 2024 670th trist224 🇫🇷 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