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 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 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 222nd Salutations45 938 58 18 Dec 2024 227th TFeld00 🇩🇰 938 71 17 May 2022 227th DialFrost 🇸🇬 938 71 15 Nov 2022 227th StefanHabel 🇨🇦 938 71 29 Nov 2022 227th nstearns96 🇬🇧 938 71 11 Jan 2023 227th hallvabo 🇳🇴 938 71 7 Feb 2023 227th anter69 🇭🇺 938 71 21 May 2024 227th rucin93 🇵🇱 938 71 10 Jul 2024 234th Lydxn 🇨🇦 938 125 6 May 2022 234th JayXon 🇺🇸 938 125 9 May 2022 236th grey0ut 937 48 8 Apr 2025 237th GolfingSuccess 🇬🇷 937 49 12 Aug 2024 237th Shanethegamer 🇺🇸 937 49 12 Aug 2024 237th Steffan153 🇫🇮 937 49 12 Aug 2024 237th MeWhenI 🇻🇦 937 49 13 Aug 2024 237th DialFrost 🇸🇬 937 49 13 Aug 2024 237th GrayJoKing 🇦🇺 937 49 15 Aug 2024 237th btnlq 937 49 16 Aug 2024 237th emgordon154 937 49 19 Aug 2024 237th ovs-code 🇩🇪 937 49 19 Aug 2024 237th mousetail 🇳🇱 937 49 13 Sep 2024 237th lynn 937 49 20 Dec 2024 237th weeble 937 49 20 Dec 2024 237th sean-niemann 🇺🇸 937 49 11 Jan 2025 250th emplv 🇱🇻 932 60 5 May 2022 250th GrayJoKing 🇦🇺 932 60 6 May 2022 250th targrik 932 60 24 Dec 2024 250th xsot 🇸🇬 932 60 1 May 2025 254th nwellnhof 🇩🇪 931 42 4 May 2022 254th Lydxn 🇨🇦 931 42 4 May 2022 254th GrayJoKing 🇦🇺 931 42 4 May 2022 254th Steffan153 🇫🇮 931 42 16 Dec 2022 254th sisyphus-ppcg 🇦🇺 931 42 31 Jan 2023 254th ovs-code 🇩🇪 931 42 30 Dec 2023 254th sean-niemann 🇺🇸 931 42 8 Mar 2025 261st GrayJoKing 🇦🇺 930 56 15 Jan 2024 261st AlephSquirrel 930 56 21 Jan 2024 263rd m-tkach 🇺🇦 930 91 5 May 2022 263rd catfish000 930 91 4 Oct 2023 265th stefangimmillaro 930 126 4 May 2022 265th Irratix 🇳🇱 930 126 4 May 2022 265th MeWhenI 🇻🇦 930 126 4 May 2022 265th janbehrens 🇩🇪 930 126 4 May 2022 265th shellbertt 🇨🇦 930 126 4 May 2022 265th inventshah 930 126 4 May 2022 265th m-tkach 🇺🇦 930 126 4 May 2022 265th sean-niemann 🇺🇸 930 126 4 May 2022 265th nwellnhof 🇩🇪 930 126 4 May 2022 265th Shanethegamer 🇺🇸 930 126 4 May 2022 265th ScottHamper 930 126 5 May 2022 265th ovs-code 🇩🇪 930 126 5 May 2022 265th 5quiwyrm 930 126 4 Sep 2022 265th KrausRaus 🇺🇸 930 126 9 Sep 2022 265th Betuaredead 930 126 5 Jan 2023 265th annaproxy 930 126 7 Jan 2023 265th Yewzir 🇧🇪 930 126 12 Feb 2023 265th Jacob385 930 126 4 Mar 2024 265th dokutan 930 126 17 Mar 2024 265th eMGeeneer 930 126 15 Jun 2024 265th mrondon8 930 126 2 Dec 2024 286th Natanaelel 🇸🇪 929 28 22 Jul 2022 286th SirBogman 🇺🇸 929 28 17 Sep 2022 288th Shanethegamer 🇺🇸 929 84 9 Apr 2025 288th HumanoidCPU 929 84 10 Apr 2025 288th stefangimmillaro 929 84 10 Apr 2025 288th sean-niemann 🇺🇸 929 84 10 Apr 2025 288th annaproxy 929 84 11 Apr 2025 288th Re-Adventures 🇮🇳 929 84 15 Apr 2025 288th janbehrens 🇩🇪 929 84 17 Apr 2025 288th fuzzylojik-golf 🇺🇸 929 84 12 days ago 296th ovs-code 🇩🇪 928 60 9 Oct 2023 296th GrayJoKing 🇦🇺 928 60 11 Oct 2023 296th Lydxn 🇨🇦 928 60 11 Oct 2023 296th GolfingSuccess 🇬🇷 928 60 16 Nov 2023 296th Steffan153 🇫🇮 928 60 28 Jan 2024 Prev 226–300 of 3,081 Next
