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 807th nandanjp 888 75 29 Mar 2023 807th kaptsanovb 888 75 20 Apr 2023 807th galloj 🇨🇿 888 75 20 May 2023 807th jhu04 888 75 23 Jun 2023 807th HelloYuiYui 888 75 1 Nov 2023 807th tobyLovick 888 75 10 Nov 2023 807th VictorStenvers 🇳🇱 888 75 13 Nov 2023 807th RZ781 888 75 19 Nov 2023 807th mikehanus 888 75 21 Nov 2023 807th 1231234md5 🇨🇳 888 75 14 Dec 2023 807th Hebelub 888 75 6 Jan 2024 807th minhtrancccp 888 75 11 Jan 2024 807th 123mjb 888 75 25 Jan 2024 807th jbjd 888 75 25 Feb 2024 807th gabe-gallegos 888 75 2 May 2024 807th kejcao 🇨🇦 888 75 11 May 2024 807th f-tucker 888 75 24 May 2024 807th Florian-Mt 888 75 22 Jul 2024 807th codingisgreatbutiamnot 888 75 9 Aug 2024 807th Terobero 888 75 23 Aug 2024 807th abhishekg999 888 75 17 Sep 2024 807th RedzGoose 🇦🇺 888 75 7 Oct 2024 807th Clay-Goodling 888 75 8 Oct 2024 807th JunkIce 888 75 5 Mar 2025 807th jiji7879 888 75 20 Jun 2025 807th faragocsaba 888 75 22 Jun 2025 807th bknower 888 75 30 Jun 2025 807th clayboll99 888 75 14 Jul 2025 807th edsrzf 🇳🇿 888 75 27 days ago 855th c0d3-4-F00d 🇩🇪 888 132 6 May 2022 855th madeforlosers 888 132 26 Oct 2023 855th Blockyheadman 888 132 1 Nov 2023 855th SpiritAxolotl 🇺🇸 888 132 20 Mar 2024 859th canissimia 🇦🇶 888 204 25 Nov 2023 860th MeWhenI 🇻🇦 887 53 1 Jun 2022 860th stefangimmillaro 887 53 2 Oct 2022 860th Haksell 🇦🇶 887 53 22 Feb 2023 863rd primo-ppcg 🇹🇭 887 85 14 Jan 2025 863rd MeWhenI 🇻🇦 887 85 21 Apr 2025 865th m-tkach 🇺🇦 887 117 7 May 2022 865th Lydxn 🇨🇦 887 117 7 May 2022 867th m-tkach 🇺🇦 886 112 22 Jun 2025 868th jared-hughes 886 130 15 Dec 2024 869th Shanethegamer 🇺🇸 885 70 12 Dec 2022 869th Alessandro-Balconi 🇮🇹 885 70 26 Dec 2022 871st GolfingSuccess 🇬🇷 885 71 5 May 2022 871st emplv 🇱🇻 885 71 5 May 2022 871st JayXon 🇺🇸 885 71 7 May 2022 871st nwellnhof 🇩🇪 885 71 5 Jun 2022 871st stefangimmillaro 885 71 2 Jun 2023 871st 09cf 885 71 4 Oct 2023 871st kkoenig 885 71 21 Dec 2023 871st sean-niemann 🇺🇸 885 71 10 Jul 2024 871st masinag 🇮🇹 885 71 6 Oct 2024 880th SiestaGuru 884 88 9 Jan 2023 880th rifatx 884 88 5 Jul 2024 882nd janbehrens 🇩🇪 884 90 21 Apr 2023 882nd Yewzir 🇧🇪 884 90 22 Apr 2023 882nd DialFrost 🇸🇬 884 90 6 Nov 2023 882nd Ripick 884 90 27 Nov 2024 886th Shanethegamer 🇺🇸 884 152 9 Sep 2023 886th emgordon154 884 152 2 Oct 2024 886th DialFrost 🇸🇬 884 152 27 Oct 2024 889th m-tkach 🇺🇦 883 59 21 Jan 2024 889th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 891st ovs-code 🇩🇪 883 73 22 Jul 2023 892nd steffan-polygolf 883 74 14 Feb 2024 893rd nipzu 883 94 17 May 2022 893rd Natanaelel 🇸🇪 883 94 17 Jun 2022 893rd nkoppel 883 94 19 Oct 2022 893rd ovs-code 🇩🇪 883 94 21 Jun 2023 893rd mousetail 🇳🇱 883 94 12 Jan 2024 898th Shanethegamer 🇺🇸 882 51 15 May 2023 899th Irratix 🇳🇱 882 96 4 May 2022 899th MeWhenI 🇻🇦 882 96 1 Jun 2022 Prev 826–900 of 3,281 Next
