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 901st Grrisly 873 114 25 Mar 2024 902nd MeWhenI 🇻🇦 873 207 12 days ago 903rd Irratix 🇳🇱 872 72 4 May 2022 903rd m-tkach 🇺🇦 872 72 4 May 2022 903rd jared-hughes 872 72 6 Jul 2022 903rd michael-pruglo 🇺🇦 872 72 13 Jul 2022 903rd Steffan153 🇫🇮 872 72 3 Jan 2023 903rd MeWhenI 🇻🇦 872 72 7 May 2023 903rd ListeriaM 872 72 22 Aug 2023 903rd JohandeRuiter 🇳🇱 872 72 14 Sep 2024 903rd larcherMTT 872 72 5 Oct 2024 903rd snyderek 🇺🇸 872 72 19 Feb 2025 913th DialFrost 🇸🇬 872 86 24 Oct 2024 913th stefangimmillaro 872 86 14 Jan 2025 915th inventshah 872 97 6 May 2022 915th roupiq 🇵🇱 872 97 22 Nov 2023 917th dieggsy 871 97 8 Oct 2024 917th edsrzf 🇳🇿 871 97 8 Dec 2024 919th ulucs 870 35 8 May 2022 919th GrayJoKing 🇦🇺 870 35 9 May 2022 919th bstrat 870 35 6 Jun 2024 919th wh3n3v3r 🇨🇿 870 35 18 Nov 2024 923rd Andriamanitra 🇫🇮 870 54 21 Jul 2022 923rd jared-hughes 870 54 12 Sep 2022 923rd OhmNomNom 870 54 7 Oct 2022 923rd olleicua 🇺🇸 870 54 21 Jan 2024 923rd LostSyntax21 🇬🇧 870 54 12 Mar 2025 928th DialFrost 🇸🇬 870 64 10 Jul 2024 929th MeWhenI 🇻🇦 870 71 13 Dec 2022 930th Steffan153 🇫🇮 870 83 9 Apr 2023 930th ovs-code 🇩🇪 870 83 1 Jul 2024 932nd scpchicken 🇵🇼 869 45 4 May 2022 932nd SirBogman 🇺🇸 869 45 5 May 2022 934th ovs-code 🇩🇪 869 85 11 Dec 2023 935th jacobly0 🇺🇸 869 154 26 Sep 2023 935th MeWhenI 🇻🇦 869 154 10 Oct 2023 937th Steffan153 🇫🇮 868 82 23 Feb 2023 938th MeWhenI 🇻🇦 868 85 27 Jun 2022 938th Shanethegamer 🇺🇸 868 85 15 May 2023 940th lukehewittvandy 868 135 18 Jul 2022 940th OriEy 868 135 27 Apr 2023 940th Maximizer02 868 135 8 Jun 2024 940th 0dyse 868 135 10 days ago 944th pardouin 🇫🇷 866 61 7 Aug 2024 945th mtirado1 866 75 13 Aug 2022 946th deadp4nda 🇩🇪 866 90 26 Apr 2024 947th Frowny 865 38 5 May 2022 947th stackofbears 865 38 14 Mar 2025 949th GrayJoKing 🇦🇺 865 67 8 Feb 2025 950th cooljoseph1 865 77 6 May 2022 950th krcs 🇵🇱 865 77 11 May 2022 950th kenballus 865 77 13 Jul 2022 950th 104210 865 77 29 Jul 2022 950th andre-de-lorde 865 77 1 Sep 2022 950th zstephe 865 77 2 Dec 2022 950th badboj40 865 77 27 Dec 2022 950th henrytranter 865 77 11 Jan 2023 950th DragonaireM 865 77 6 Feb 2023 950th steffan-polygolf 865 77 19 Feb 2023 950th kellantech 865 77 21 May 2023 950th Ty-Cyr 865 77 14 Jul 2023 950th camieac 🇬🇧 865 77 14 Jul 2023 950th nathsou 🇫🇷 865 77 2 Sep 2023 950th MisterrLuck 865 77 7 Sep 2023 950th alexjurkiewicz 🇦🇺 865 77 7 Nov 2023 950th askipio 865 77 22 Nov 2023 950th trinityy-7 865 77 17 Dec 2023 950th zwxzwxzwx21 865 77 30 Jan 2024 950th PyryL 🇫🇮 865 77 23 Aug 2024 950th CyberTapir 865 77 27 Aug 2024 950th Emutis 🇱🇹 865 77 9 Oct 2024 950th junten1 865 77 20 Oct 2024 950th croc54 865 77 24 Dec 2024 974th KatieLG 🇬🇧 865 115 25 Sep 2022 974th emgordon154 865 115 17 Jan 2025 Prev 901–975 of 3,009 Next