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 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 Topological Sort 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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 785th Clay-Goodling 888 75 8 Oct 2024 785th JunkIce 888 75 5 Mar 2025 785th jiji7879 888 75 24 days ago 785th faragocsaba 888 75 21 days ago 785th bknower 888 75 14 days ago 785th clayboll99 888 75 83 mins ago 832nd c0d3-4-F00d 🇩🇪 888 132 6 May 2022 832nd madeforlosers 888 132 26 Oct 2023 832nd Blockyheadman 888 132 1 Nov 2023 832nd SpiritAxolotl 🇺🇸 888 132 20 Mar 2024 836th canissimia 🇦🇶 888 204 25 Nov 2023 837th MeWhenI 🇻🇦 887 53 1 Jun 2022 837th stefangimmillaro 887 53 2 Oct 2022 837th Haksell 🇦🇶 887 53 22 Feb 2023 840th ovs-code 🇩🇪 887 151 9 Sep 2023 840th Yewzir 🇧🇪 887 151 21 May 2024 842nd GolfingSuccess 🇬🇷 885 71 5 May 2022 842nd emplv 🇱🇻 885 71 5 May 2022 842nd JayXon 🇺🇸 885 71 7 May 2022 842nd nwellnhof 🇩🇪 885 71 5 Jun 2022 842nd stefangimmillaro 885 71 2 Jun 2023 842nd 09cf 885 71 4 Oct 2023 842nd kkoenig 885 71 21 Dec 2023 842nd sean-niemann 🇺🇸 885 71 10 Jul 2024 842nd masinag 🇮🇹 885 71 6 Oct 2024 842nd KasperKivimaeki 🇫🇮 885 71 27 Mar 2025 852nd m-tkach 🇺🇦 885 117 7 May 2022 852nd Lydxn 🇨🇦 885 117 7 May 2022 854th Shanethegamer 🇺🇸 884 70 12 Dec 2022 854th Alessandro-Balconi 🇮🇹 884 70 26 Dec 2022 856th SiestaGuru 884 88 9 Jan 2023 856th rifatx 884 88 5 Jul 2024 858th janbehrens 🇩🇪 884 90 21 Apr 2023 858th Yewzir 🇧🇪 884 90 22 Apr 2023 858th DialFrost 🇸🇬 884 90 6 Nov 2023 858th Ripick 884 90 27 Nov 2024 862nd m-tkach 🇺🇦 884 112 22 days ago 863rd jared-hughes 884 130 15 Dec 2024 864th m-tkach 🇺🇦 883 59 21 Jan 2024 864th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 866th nipzu 883 94 17 May 2022 866th Natanaelel 🇸🇪 883 94 17 Jun 2022 866th nkoppel 883 94 19 Oct 2022 866th ovs-code 🇩🇪 883 94 21 Jun 2023 866th mousetail 🇳🇱 883 94 12 Jan 2024 871st Shanethegamer 🇺🇸 882 51 15 May 2023 872nd steffan-polygolf 882 74 14 Feb 2024 873rd primo-ppcg 🇹🇭 882 85 14 Jan 2025 873rd MeWhenI 🇻🇦 882 85 21 Apr 2025 875th Irratix 🇳🇱 882 96 4 May 2022 875th MeWhenI 🇻🇦 882 96 1 Jun 2022 875th janbehrens 🇩🇪 882 96 21 Apr 2023 875th Shanethegamer 🇺🇸 882 96 15 May 2023 875th Yewzir 🇧🇪 882 96 11 Nov 2023 875th MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 875th kkoenig 882 96 21 Dec 2023 875th BlankSpruce 882 96 20 Aug 2024 875th fuzzylojik-golf 🇺🇸 882 96 14 Jun 2025 884th GrayJoKing 🇦🇺 881 60 24 Oct 2024 885th ovs-code 🇩🇪 881 73 22 Jul 2023 886th ravnskjaer 🇩🇰 881 133 11 Sep 2024 887th Shanethegamer 🇺🇸 881 152 9 Sep 2023 887th emgordon154 881 152 2 Oct 2024 887th DialFrost 🇸🇬 881 152 27 Oct 2024 890th GrayJoKing 🇦🇺 879 84 19 Jun 2022 890th primo-ppcg 🇹🇭 879 84 29 Jun 2022 892nd Shanethegamer 🇺🇸 879 142 27 Mar 2025 892nd DialFrost 🇸🇬 879 142 28 Mar 2025 892nd emgordon154 879 142 10 Apr 2025 895th dokutan 878 62 28 Apr 2025 896th johnnythedoggie 878 72 13 May 2022 896th kaascevich 878 72 5 days ago 898th Shanethegamer 🇺🇸 878 73 8 May 2025 898th DialFrost 🇸🇬 878 73 3 Jun 2025 898th edsrzf 🇳🇿 878 73 10 days ago Prev 826–900 of 3,188 Next