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 597th FortuiteMan 900 74 10 Oct 2024 597th lifthrasiir 🇰🇷 900 74 13 Nov 2024 597th agreegious 900 74 17 Nov 2024 597th Stockoh 🇫🇷 900 74 17 Nov 2024 597th Andrey135296 900 74 24 Nov 2024 597th TralfamadorianComedian 900 74 6 Dec 2024 597th bltnppcnt 900 74 3 Jan 2025 597th ZorblaxV 900 74 12 Jan 2025 597th yokasuretsu 900 74 13 Jan 2025 597th Artemis21 🇬🇧 900 74 17 Jan 2025 597th gdpr777 900 74 10 Feb 2025 597th Pyroan 900 74 27 Mar 2025 597th Squimbletin 900 74 19 Apr 2025 597th Kowalskiexe 🇵🇱 900 74 19 Apr 2025 597th Dandandooo 900 74 23 Apr 2025 597th khangtm123 900 74 4 May 2025 597th 40fied4t 900 74 6 May 2025 597th keelimeguy 🇺🇸 900 74 13 May 2025 597th TheZwierzLF 🇵🇱 900 74 21 May 2025 597th kbeat 🇰🇿 900 74 21 May 2025 597th LvLError 900 74 29 May 2025 597th Lv0Sys 🇵🇱 900 74 30 May 2025 597th ffelixm 900 74 3 Jun 2025 597th Flekay 🇩🇪 900 74 19 Jun 2025 597th DoubleUynn 900 74 25 Jun 2025 597th osNiko 🇧🇷 900 74 18 days ago 597th wobblybits 900 74 7 hours ago 703rd edsrzf 🇳🇿 900 83 14 Jan 2025 703rd kg583 🇺🇸 900 83 14 Feb 2025 705th SirBogman 🇺🇸 899 50 5 May 2022 705th nwellnhof 🇩🇪 899 50 3 Jun 2022 705th Lydxn 🇨🇦 899 50 15 Aug 2022 705th Steffan153 🇫🇮 899 50 9 Aug 2024 709th GrayJoKing 🇦🇺 898 70 6 May 2022 709th saito-ta 🇯🇵 898 70 21 Dec 2023 709th ovs-code 🇩🇪 898 70 17 Feb 2024 709th trinityy-7 898 70 6 days ago 709th KasperKivimaeki 🇫🇮 898 70 5 days ago 714th DialFrost 🇸🇬 897 29 15 Mar 2025 715th Lydxn 🇨🇦 897 48 5 May 2022 715th pabloferz 897 48 6 Mar 2024 717th DialFrost 🇸🇬 897 69 15 Jul 2024 718th nwellnhof 🇩🇪 897 111 4 May 2022 718th emplv 🇱🇻 897 111 5 May 2022 718th Shanethegamer 🇺🇸 897 111 21 Nov 2023 721st Steffan153 🇫🇮 896 59 10 Aug 2024 721st rucin93 🇵🇱 896 59 13 Oct 2024 721st sean-niemann 🇺🇸 896 59 13 Oct 2024 721st lukegustafson 🇺🇸 896 59 24 Oct 2024 725th Lydxn 🇨🇦 895 72 16 Jul 2023 726th Ripick 895 73 8 May 2023 727th edsrzf 🇳🇿 895 78 26 Oct 2024 728th GrayJoKing 🇦🇺 895 91 19 Jan 2023 729th SiestaGuru 895 131 9 Jan 2023 729th HumanoidCPU 895 131 7 May 2024 731st MichalMarsalek 🇨🇿 894 87 5 May 2022 731st Kloppermand 🇩🇰 894 87 7 Oct 2022 731st bwat2 894 87 6 Apr 2023 734th ovs-code 🇩🇪 894 89 24 Jul 2024 734th jipsong 🇩🇪 894 89 7 Apr 2025 736th JayXon 🇺🇸 894 150 8 Sep 2023 737th oeb25 893 93 16 May 2022 737th snobee 🇨🇦 893 93 8 Dec 2022 737th logvp 893 93 2 Jan 2024 737th elgan65536 893 93 5 Mar 2024 737th smartiel 893 93 12 Aug 2024 737th trist224 🇫🇷 893 93 12 Aug 2024 737th nullie 893 93 19 Dec 2024 737th lolgeny 893 93 22 Feb 2025 745th Shanethegamer 🇺🇸 892 61 31 Oct 2022 745th MeWhenI 🇻🇦 892 61 4 Nov 2022 747th GolfingSuccess 🇬🇷 892 95 5 May 2022 747th Alex-x90 🇺🇸 892 95 4 Dec 2022 747th Mandrzejy 🇵🇱 892 95 22 Mar 2024 750th Steffan153 🇫🇮 891 52 31 Dec 2022 Prev 676–750 of 3,240 Next
