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 Hilbert Curve 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 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 Groovy 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 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 Groovy 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 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 Hilbert Curve 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 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 749th bwat2 895 87 6 Apr 2023 752nd SiestaGuru 895 131 9 Jan 2023 752nd HumanoidCPU 895 131 7 May 2024 754th JayXon 🇺🇸 895 150 8 Sep 2023 755th ovs-code 🇩🇪 894 89 24 Jul 2024 755th jipsong 🇩🇪 894 89 7 Apr 2025 757th oeb25 893 93 16 May 2022 757th snobee 🇨🇦 893 93 8 Dec 2022 757th logvp 893 93 2 Jan 2024 757th elgan65536 893 93 5 Mar 2024 757th smartiel 893 93 12 Aug 2024 757th trist224 🇫🇷 893 93 12 Aug 2024 757th nullie 893 93 19 Dec 2024 757th lolgeny 893 93 22 Feb 2025 765th Steffan153 🇫🇮 892 52 31 Dec 2022 766th Shanethegamer 🇺🇸 892 61 31 Oct 2022 766th MeWhenI 🇻🇦 892 61 4 Nov 2022 768th stefangimmillaro 892 71 2 Oct 2022 768th Steffan153 🇫🇮 892 71 23 Feb 2023 768th Shanethegamer 🇺🇸 892 71 16 May 2023 768th sean-niemann 🇺🇸 892 71 12 Jul 2024 772nd GolfingSuccess 🇬🇷 892 95 5 May 2022 772nd Alex-x90 🇺🇸 892 95 4 Dec 2022 772nd Mandrzejy 🇵🇱 892 95 22 Mar 2024 775th KatieLG 🇬🇧 891 60 4 May 2022 775th ScottHamper 891 60 5 May 2022 775th Re-Adventures 🇮🇳 891 60 5 May 2022 775th 0x24a537r9 891 60 29 Jul 2022 775th stefangabos 🇷🇴 891 60 19 Aug 2022 775th eranws 891 60 10 Sep 2022 775th GeorgeStechman 🇬🇧 891 60 26 Sep 2022 775th BloodStormKnight 891 60 15 Oct 2022 775th dzshn 891 60 3 Dec 2022 775th biocommando 🇫🇮 891 60 20 Dec 2022 775th Betuaredead 891 60 5 Jan 2023 775th piano-miles 891 60 16 Jan 2023 775th Yewzir 🇧🇪 891 60 12 Feb 2023 775th shellbertt 🇨🇦 891 60 26 Feb 2023 775th zakariamouhid 891 60 20 May 2023 775th raphaelimahorn 891 60 23 Aug 2023 775th jbt 891 60 25 Dec 2023 775th olleicua 🇺🇸 891 60 15 Feb 2024 775th HumanoidCPU 891 60 3 May 2024 775th dokutan 891 60 13 Aug 2024 775th LostSyntax21 🇬🇧 891 60 10 Sep 2024 775th xyangst 891 60 28 Sep 2024 775th a6166231 🇨🇳 891 60 15 May 2025 775th Protothor 891 60 8 Jul 2025 775th SebassNoob 891 60 5 Aug 2025 775th Yax42 🇫🇷 891 60 7 days ago 801st lynn 891 65 5 May 2022 801st GrayJoKing 🇦🇺 891 65 5 May 2022 801st Sakisan 🇧🇪 891 65 6 May 2022 801st JayXon 🇺🇸 891 65 17 Oct 2022 801st Steffan153 🇫🇮 891 65 12 Nov 2022 801st tobeannouncd 891 65 25 Apr 2025 801st sean-niemann 🇺🇸 891 65 9 Jun 2025 808th sean-niemann 🇺🇸 891 73 12 Jul 2024 809th canissimia 🇦🇶 891 110 20 Feb 2023 810th stefangimmillaro 891 112 26 Sep 2023 810th kkoenig 891 112 4 Jan 2024 812th JayXon 🇺🇸 890 74 14 Nov 2024 813th DialFrost 🇸🇬 890 95 10 Dec 2024 814th primo-ppcg 🇹🇭 889 52 5 May 2022 814th dvargas46 🇺🇸 889 52 22 Dec 2022 816th GrayJoKing 🇦🇺 889 77 13 Sep 2024 817th m-tkach 🇺🇦 889 117 7 May 2022 817th Lydxn 🇨🇦 889 117 7 May 2022 819th c0d3-4-F00d 🇩🇪 889 132 6 May 2022 819th madeforlosers 889 132 26 Oct 2023 819th Blockyheadman 889 132 1 Nov 2023 819th SpiritAxolotl 🇺🇸 889 132 20 Mar 2024 823rd ovs-code 🇩🇪 889 151 9 Sep 2023 823rd Yewzir 🇧🇪 889 151 21 May 2024 825th mousetail 🇳🇱 888 41 15 days ago Prev 751–825 of 3,332 Next
