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 223rd MeWhenI 🇻🇦 937 49 13 Aug 2024 223rd DialFrost 🇸🇬 937 49 13 Aug 2024 223rd GrayJoKing 🇦🇺 937 49 15 Aug 2024 223rd btnlq 937 49 16 Aug 2024 223rd emgordon154 937 49 19 Aug 2024 223rd ovs-code 🇩🇪 937 49 19 Aug 2024 223rd mousetail 🇳🇱 937 49 13 Sep 2024 223rd lynn 937 49 20 Dec 2024 223rd weeble 937 49 20 Dec 2024 223rd sean-niemann 🇺🇸 937 49 11 Jan 2025 236th inventshah 937 57 4 May 2022 236th itsh01 937 57 17 May 2022 236th Natanaelel 🇸🇪 937 57 16 Jun 2022 236th Attero 🇸🇪 937 57 3 Aug 2022 236th SirFireball3521 937 57 26 Jan 2023 236th Kacarott 🇦🇺 937 57 24 Mar 2023 236th nathanadams 🇳🇿 937 57 24 Apr 2023 236th hacker112 🇸🇪 937 57 20 Jun 2024 236th thisishowmymindworks 🇳🇴 937 57 28 Jun 2024 236th Salutations45 937 57 18 Nov 2024 246th emplv 🇱🇻 932 60 5 May 2022 246th GrayJoKing 🇦🇺 932 60 6 May 2022 246th targrik 932 60 24 Dec 2024 246th xsot 🇸🇬 932 60 1 May 2025 250th nwellnhof 🇩🇪 931 42 4 May 2022 250th Lydxn 🇨🇦 931 42 4 May 2022 250th GrayJoKing 🇦🇺 931 42 4 May 2022 250th Steffan153 🇫🇮 931 42 16 Dec 2022 250th sisyphus-ppcg 🇦🇺 931 42 31 Jan 2023 250th ovs-code 🇩🇪 931 42 30 Dec 2023 250th sean-niemann 🇺🇸 931 42 8 Mar 2025 257th GrayJoKing 🇦🇺 930 56 15 Jan 2024 257th AlephSquirrel 930 56 21 Jan 2024 259th m-tkach 🇺🇦 930 91 5 May 2022 259th catfish000 930 91 4 Oct 2023 261st stefangimmillaro 930 126 4 May 2022 261st Irratix 🇳🇱 930 126 4 May 2022 261st MeWhenI 🇻🇦 930 126 4 May 2022 261st janbehrens 🇩🇪 930 126 4 May 2022 261st shellbertt 🇨🇦 930 126 4 May 2022 261st inventshah 930 126 4 May 2022 261st m-tkach 🇺🇦 930 126 4 May 2022 261st sean-niemann 🇺🇸 930 126 4 May 2022 261st nwellnhof 🇩🇪 930 126 4 May 2022 261st Shanethegamer 🇺🇸 930 126 4 May 2022 261st ScottHamper 930 126 5 May 2022 261st ovs-code 🇩🇪 930 126 5 May 2022 261st 5quiwyrm 930 126 4 Sep 2022 261st KrausRaus 🇺🇸 930 126 9 Sep 2022 261st Betuaredead 930 126 5 Jan 2023 261st annaproxy 930 126 7 Jan 2023 261st Yewzir 🇧🇪 930 126 12 Feb 2023 261st Jacob385 930 126 4 Mar 2024 261st dokutan 930 126 17 Mar 2024 261st eMGeeneer 930 126 15 Jun 2024 261st mrondon8 930 126 2 Dec 2024 282nd Natanaelel 🇸🇪 929 28 22 Jul 2022 282nd SirBogman 🇺🇸 929 28 17 Sep 2022 284th Shanethegamer 🇺🇸 929 84 9 Apr 2025 284th HumanoidCPU 929 84 10 Apr 2025 284th stefangimmillaro 929 84 10 Apr 2025 284th sean-niemann 🇺🇸 929 84 10 Apr 2025 284th annaproxy 929 84 11 Apr 2025 284th Re-Adventures 🇮🇳 929 84 15 Apr 2025 284th janbehrens 🇩🇪 929 84 17 Apr 2025 284th fuzzylojik-golf 🇺🇸 929 84 6 days ago 292nd ovs-code 🇩🇪 928 60 9 Oct 2023 292nd GrayJoKing 🇦🇺 928 60 11 Oct 2023 292nd Lydxn 🇨🇦 928 60 11 Oct 2023 292nd GolfingSuccess 🇬🇷 928 60 16 Nov 2023 292nd Steffan153 🇫🇮 928 60 28 Jan 2024 292nd JayXon 🇺🇸 928 60 29 Jan 2024 292nd rucin93 🇵🇱 928 60 10 Jul 2024 292nd sean-niemann 🇺🇸 928 60 10 Jul 2024 300th MeWhenI 🇻🇦 928 68 23 Feb 2023 Prev 226–300 of 3,075 Next
