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 Mandelbrot 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 Topological Sort 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 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Mandelbrot 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 Topological Sort 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 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 896th MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 896th kkoenig 882 96 21 Dec 2023 896th BlankSpruce 882 96 20 Aug 2024 896th fuzzylojik-golf 🇺🇸 882 96 14 Jun 2025 905th ravnskjaer 🇩🇰 882 133 11 Sep 2024 906th GrayJoKing 🇦🇺 881 60 24 Oct 2024 907th kg583 🇺🇸 881 84 24 days ago 908th Shanethegamer 🇺🇸 879 73 8 May 2025 908th DialFrost 🇸🇬 879 73 3 Jun 2025 908th edsrzf 🇳🇿 879 73 4 Jul 2025 911th Grrisly 879 74 25 Mar 2024 912th GrayJoKing 🇦🇺 879 84 19 Jun 2022 912th primo-ppcg 🇹🇭 879 84 29 Jun 2022 914th Shanethegamer 🇺🇸 879 142 27 Mar 2025 914th DialFrost 🇸🇬 879 142 28 Mar 2025 914th emgordon154 879 142 10 Apr 2025 917th primo-ppcg 🇹🇭 879 193 9 days ago 918th dokutan 878 62 28 Apr 2025 919th johnnythedoggie 878 72 13 May 2022 919th kaascevich 878 72 8 Jul 2025 921st Shanethegamer 🇺🇸 877 66 4 May 2022 921st scpchicken 🇵🇼 877 66 5 May 2022 921st sisyphus-ppcg 🇦🇺 877 66 6 May 2022 921st Natanaelel 🇸🇪 877 66 15 Jun 2022 921st Z-snails 877 66 27 Feb 2023 921st Jeremy-Stafford 877 66 27 Feb 2023 921st alomiF 877 66 1 Sep 2023 921st btnlq 877 66 17 Oct 2023 929th guilhem-roy 🇫🇷 877 76 5 May 2022 929th NewDefectus 🇮🇱 877 76 6 May 2022 929th CuboidRaptor 🇨🇦 877 76 25 May 2022 929th TheSmilingTurtle 877 76 5 Jun 2022 929th Romain-1 🇫🇷 877 76 8 Jun 2022 929th jhpaques 🇫🇷 877 76 30 Jul 2022 929th chriscianfarani 877 76 10 Aug 2022 929th eshilo-draper 877 76 13 Sep 2022 929th suwat513 877 76 22 Sep 2022 929th Jaydosu 877 76 14 Nov 2022 929th tails618 877 76 2 Dec 2022 929th KevinLyvers 877 76 17 Dec 2022 929th nayakrujul 877 76 3 Jan 2023 929th CheeseCake628 🇳🇴 877 76 8 Jan 2023 929th CatsAreFluffy 877 76 18 Feb 2023 929th adamnielson42 🇺🇸 877 76 1 Mar 2023 929th Schreipfelerer 877 76 9 Apr 2023 929th hm5822 877 76 22 Apr 2023 929th celiendonze 🇨🇭 877 76 5 Jul 2023 929th brochmann 🇸🇪 877 76 13 Aug 2023 929th Command-Master 877 76 2 Oct 2023 929th chartung17 877 76 17 Dec 2023 929th smokestacklightnin 🇺🇸 877 76 10 Jan 2024 929th NickTheEASDude 🇺🇸 877 76 26 Jan 2024 929th yuchuehw 877 76 2 Feb 2024 929th Azearia 877 76 26 Feb 2024 929th tpasfieldERAU 877 76 18 May 2024 929th khavik 877 76 29 May 2024 929th Ythaenagor 877 76 5 Aug 2024 929th martion2007 877 76 9 Aug 2024 929th sjrct 877 76 10 Aug 2024 929th Mathrew2012 877 76 9 Nov 2024 929th kawrei 877 76 4 May 2025 929th RaBa21 🇭🇺 877 76 19 Jul 2025 963rd c0d3-4-F00d 🇩🇪 876 61 6 May 2022 963rd jackkav 876 61 26 Jun 2022 963rd TechNolaByte 876 61 6 Jul 2022 963rd Heathcorp 🇦🇺 876 61 17 Jul 2022 963rd C0de5mith 🇺🇸 876 61 3 Aug 2022 963rd sebipopa 🇷🇴 876 61 18 Aug 2022 963rd moikaturns 🇬🇧 876 61 25 Sep 2022 963rd FlorianCassayre 🇫🇷 876 61 27 Sep 2022 963rd Mazn3k 876 61 1 Feb 2023 963rd tvcv901 876 61 22 Mar 2023 963rd unfinishedprogram 876 61 19 Jul 2023 963rd snoozingnewt 🇺🇸 876 61 23 Sep 2023 963rd funnyboy-roks 876 61 9 May 2024 Prev 901–975 of 3,280 Next
