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 374th Lydxn 🇨🇦 919 76 22 May 2023 374th GrayJoKing 🇦🇺 919 76 24 Aug 2023 378th tomtheisen 🇺🇸 918 85 10 Apr 2025 379th primo-ppcg 🇹🇭 917 61 6 May 2022 379th sisyphus-ppcg 🇦🇺 917 61 14 Jul 2022 381st Lydxn 🇨🇦 915 70 7 May 2022 381st JayXon 🇺🇸 915 70 7 May 2022 383rd Steffan153 🇫🇮 915 71 14 Oct 2022 383rd Shanethegamer 🇺🇸 915 71 15 Oct 2022 383rd stefangimmillaro 915 71 16 Oct 2022 383rd MeWhenI 🇻🇦 915 71 16 Oct 2022 383rd Steffan153 🇫🇮 915 71 10 Dec 2022 388th annaproxy 915 79 24 Aug 2022 388th GrayJoKing 🇦🇺 915 79 28 Aug 2022 388th IanUtley 915 79 3 Nov 2023 388th Kacarott 🇦🇺 915 79 13 Jun 2024 392nd Natanaelel 🇸🇪 914 57 17 Jan 2024 392nd Kacarott 🇦🇺 914 57 10 Sep 2024 394th JayXon 🇺🇸 914 79 5 Apr 2023 394th Lydxn 🇨🇦 914 79 9 Apr 2023 396th Shanethegamer 🇺🇸 914 87 15 May 2023 396th JayXon 🇺🇸 914 87 15 May 2023 396th Steffan153 🇫🇮 914 87 16 May 2023 396th Lydxn 🇨🇦 914 87 16 May 2023 396th GrayJoKing 🇦🇺 914 87 11 Aug 2023 396th sean-niemann 🇺🇸 914 87 11 Jul 2024 402nd Shanethegamer 🇺🇸 913 61 9 Oct 2023 403rd pardouin 🇫🇷 913 72 18 days ago 404th ovs-code 🇩🇪 913 75 12 Sep 2024 404th Kacarott 🇦🇺 913 75 13 Sep 2024 406th sean-niemann 🇺🇸 913 109 25 May 2024 406th CaedenHarper 🇨🇦 913 109 28 Jan 2025 408th AdamHe17 912 73 31 May 2022 408th AliceFord 912 73 2 Jun 2022 408th Natanaelel 🇸🇪 912 73 16 Jun 2022 408th btjones0 912 73 21 Jun 2022 408th marcin7Cd 912 73 27 Jun 2022 408th tri1212 🇻🇳 912 73 18 Jul 2022 408th vhoulbreque 🇫🇷 912 73 18 Aug 2022 408th KatieLG 🇬🇧 912 73 29 Aug 2022 408th tkr-sh 🇫🇷 912 73 8 Sep 2022 408th jroscoe5 912 73 15 Sep 2022 408th fredrik-bakke 🇳🇴 912 73 18 Sep 2022 408th firegene 🇮🇪 912 73 27 Sep 2022 408th OhmNomNom 912 73 7 Oct 2022 408th 0-4849 912 73 1 Nov 2022 408th M0PKOBKA 912 73 19 Dec 2022 408th calumacutt 912 73 19 Dec 2022 408th thehylian 912 73 2 Jan 2023 408th fynnkroeger 912 73 6 Jan 2023 408th shellbertt 🇨🇦 912 73 13 Jan 2023 408th hunt-g 912 73 4 Feb 2023 408th packkill 912 73 13 Feb 2023 408th jmerle 🇳🇱 912 73 16 Feb 2023 408th TaserTheFox 🇺🇸 912 73 14 Mar 2023 408th pinguicula 912 73 6 Apr 2023 408th TheoKeller1 912 73 11 Jun 2023 408th fkantelberg 912 73 16 Jul 2023 408th Mikey-Beep 🇬🇧 912 73 31 Aug 2023 408th eiburns 912 73 9 Oct 2023 408th htareque 912 73 13 Oct 2023 408th wearsunscreen 912 73 18 Oct 2023 408th bzijlema 🇳🇱 912 73 25 Oct 2023 408th Grrisly 912 73 10 Nov 2023 408th m42km 912 73 11 Nov 2023 408th GeneralPoxter 912 73 7 Dec 2023 408th logvp 912 73 12 Jan 2024 408th JoaoFelipe3 912 73 13 Jan 2024 408th ehulinsky 🇺🇸 912 73 16 Feb 2024 408th Lewenhaupt 912 73 23 Feb 2024 408th Yewzir 🇧🇪 912 73 5 Apr 2024 408th HETHAT 🇩🇿 912 73 12 Apr 2024 408th stertooy 🇧🇪 912 73 9 Jun 2024 408th cuboids 912 73 11 Jul 2024 408th jipsong 🇩🇪 912 73 23 Jul 2024 Prev 376–450 of 3,081 Next
