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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 398th Bulmenisaurus 912 73 2 Mar 2025 398th souta-1326 912 73 1 Apr 2025 453rd JayXon 🇺🇸 912 74 14 Nov 2024 453rd pardouin 🇫🇷 912 74 14 Nov 2024 455th lynn 912 78 5 May 2022 456th Steffan153 🇫🇮 912 81 11 Dec 2023 457th andersk 🇺🇸 911 91 25 Oct 2022 457th Super-Pizza 🇨🇦 911 91 4 Dec 2022 457th klixel 🇨🇦 911 91 20 May 2023 457th lynn 911 91 6 Jul 2024 457th edsrzf 🇳🇿 911 91 29 Nov 2024 457th acotis 911 91 23 Mar 2025 457th DialFrost 🇸🇬 911 91 23 days ago 464th nai62 910 69 27 Aug 2022 465th Lydxn 🇨🇦 910 81 1 Apr 2023 466th primo-ppcg 🇹🇭 909 93 7 May 2022 466th AlephSquirrel 909 93 21 Jan 2023 466th tailorspy 909 93 27 May 2024 466th kg583 🇺🇸 909 93 26 Dec 2024 466th CLOStrophobic 🇮🇹 909 93 17 Jan 2025 471st cbrt-x 908 129 6 May 2022 471st piano-miles 908 129 8 Feb 2023 471st lukashert 908 129 7 Jun 2023 471st DialFrost 🇸🇬 908 129 29 Jan 2024 471st bac0id 908 129 29 Jun 2024 471st yoshykai 908 129 27 Mar 2025 477th Shanethegamer 🇺🇸 907 77 15 May 2023 478th Betuaredead 906 60 5 Jan 2023 478th Yewzir 🇧🇪 906 60 12 Feb 2023 478th Steffan153 🇫🇮 906 60 23 Feb 2023 478th DialFrost 🇸🇬 906 60 30 Jul 2024 478th GolfingSuccess 🇬🇷 906 60 16 Oct 2024 478th sean-niemann 🇺🇸 906 60 7 Mar 2025 484th GolfingSuccess 🇬🇷 906 64 14 Dec 2024 484th MeWhenI 🇻🇦 906 64 24 Dec 2024 486th GrayJoKing 🇦🇺 906 71 10 Aug 2023 487th krcs 🇵🇱 906 86 10 May 2022 488th KrausRaus 🇺🇸 905 59 4 May 2022 488th voytxt 🇨🇿 905 59 4 May 2022 488th KingSkyrock 🇺🇸 905 59 18 May 2022 488th ZakkkkAttackkkk 🇵🇭 905 59 14 Jul 2022 488th aksyristos 905 59 28 Oct 2022 488th nstearns96 🇬🇧 905 59 28 Nov 2022 488th janbehrens 🇩🇪 905 59 17 May 2023 488th Shanethegamer 🇺🇸 905 59 25 May 2023 488th Maznek 905 59 26 Jun 2023 488th SpiritAxolotl 🇺🇸 905 59 20 Mar 2024 488th Andrey-Plotnikov 905 59 19 May 2024 488th emgordon154 905 59 5 Aug 2024 488th duckyluuk 🇳🇱 905 59 3 Oct 2024 488th lifthrasiir 🇰🇷 905 59 23 Nov 2024 502nd MeWhenI 🇻🇦 905 63 5 May 2022 503rd ovs-code 🇩🇪 905 84 25 Sep 2022 503rd GrayJoKing 🇦🇺 905 84 11 Aug 2023 505th Lydxn 🇨🇦 904 64 1 Apr 2023 506th DialFrost 🇸🇬 904 77 27 Feb 2025 507th marshallward 🇺🇸 904 83 10 May 2022 508th MeWhenI 🇻🇦 904 110 9 Feb 2023 508th edsrzf 🇳🇿 904 110 28 Nov 2024 510th shinh 903 52 29 Jun 2022 510th pardouin 🇫🇷 903 52 18 days ago 512th Steffan153 🇫🇮 903 80 15 Nov 2022 512th error256 903 80 22 days ago 514th m-tkach 🇺🇦 903 90 7 Dec 2023 515th nipzu 902 48 8 Sep 2024 516th Shanethegamer 🇺🇸 902 72 4 May 2022 516th jared-hughes 902 72 4 May 2022 516th Waffle3z 902 72 5 May 2022 516th m-tkach 🇺🇦 902 72 16 Oct 2022 516th GrayJoKing 🇦🇺 902 72 22 Oct 2022 516th emplv 🇱🇻 902 72 27 Oct 2022 516th sean-niemann 🇺🇸 902 72 7 Mar 2025 516th Blendi-Goose 902 72 16 Mar 2025 516th edsrzf 🇳🇿 902 72 18 days ago 525th Lydxn 🇨🇦 901 70 7 May 2022 Prev 451–525 of 3,000 Next
