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 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 Mandelbrot 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 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 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 Mandelbrot 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 887th CatsAreFluffy 876 76 18 Feb 2023 887th adamnielson42 🇺🇸 876 76 1 Mar 2023 887th Schreipfelerer 876 76 9 Apr 2023 887th hm5822 876 76 22 Apr 2023 887th celiendonze 🇨🇭 876 76 5 Jul 2023 887th brochmann 🇸🇪 876 76 13 Aug 2023 887th Command-Master 876 76 2 Oct 2023 887th chartung17 876 76 17 Dec 2023 887th smokestacklightnin 🇺🇸 876 76 10 Jan 2024 887th NickTheEASDude 🇺🇸 876 76 26 Jan 2024 887th yuchuehw 876 76 2 Feb 2024 887th Azearia 876 76 26 Feb 2024 887th tpasfieldERAU 876 76 18 May 2024 887th khavik 876 76 29 May 2024 887th Ythaenagor 876 76 5 Aug 2024 887th martion2007 876 76 9 Aug 2024 887th sjrct 876 76 10 Aug 2024 887th Mathrew2012 876 76 9 Nov 2024 887th kawrei 876 76 4 May 2025 920th althryenix 875 134 25 Jul 2022 920th MrGagnonHPS 875 134 1 Nov 2023 920th noescareno 875 134 19 days ago 923rd nwellnhof 🇩🇪 874 53 4 May 2022 923rd GrayJoKing 🇦🇺 874 53 6 May 2022 925th AlephSquirrel 873 80 20 Apr 2023 925th ashtraypettingzoo 🇺🇸 873 80 1 Apr 2024 927th inventshah 873 97 6 May 2022 927th roupiq 🇵🇱 873 97 22 Nov 2023 929th Grrisly 873 114 25 Mar 2024 930th MeWhenI 🇻🇦 873 207 21 Apr 2025 931st Irratix 🇳🇱 872 72 4 May 2022 931st m-tkach 🇺🇦 872 72 4 May 2022 931st jared-hughes 872 72 6 Jul 2022 931st michael-pruglo 🇺🇦 872 72 13 Jul 2022 931st Steffan153 🇫🇮 872 72 3 Jan 2023 931st MeWhenI 🇻🇦 872 72 7 May 2023 931st ListeriaM 872 72 22 Aug 2023 931st JohandeRuiter 🇳🇱 872 72 14 Sep 2024 931st larcherMTT 872 72 5 Oct 2024 931st snyderek 🇺🇸 872 72 19 Feb 2025 941st DialFrost 🇸🇬 872 86 24 Oct 2024 941st stefangimmillaro 872 86 14 Jan 2025 943rd ovs-code 🇩🇪 871 83 1 Jul 2024 944th dieggsy 871 97 8 Oct 2024 944th edsrzf 🇳🇿 871 97 8 Dec 2024 946th ulucs 870 35 8 May 2022 946th bstrat 870 35 6 Jun 2024 946th wh3n3v3r 🇨🇿 870 35 18 Nov 2024 949th Andriamanitra 🇫🇮 870 54 21 Jul 2022 949th jared-hughes 870 54 12 Sep 2022 949th OhmNomNom 870 54 7 Oct 2022 949th olleicua 🇺🇸 870 54 21 Jan 2024 949th LostSyntax21 🇬🇧 870 54 12 Mar 2025 949th AbrahamJLR 870 54 15 days ago 955th DialFrost 🇸🇬 870 64 10 Jul 2024 956th MeWhenI 🇻🇦 870 71 13 Dec 2022 957th Steffan153 🇫🇮 870 83 9 Apr 2023 958th scpchicken 🇵🇼 869 45 4 May 2022 958th SirBogman 🇺🇸 869 45 5 May 2022 960th ovs-code 🇩🇪 869 85 11 Dec 2023 961st jacobly0 🇺🇸 869 154 26 Sep 2023 961st MeWhenI 🇻🇦 869 154 10 Oct 2023 963rd Steffan153 🇫🇮 868 82 23 Feb 2023 964th MeWhenI 🇻🇦 868 85 27 Jun 2022 964th Shanethegamer 🇺🇸 868 85 15 May 2023 966th lukehewittvandy 868 135 18 Jul 2022 966th OriEy 868 135 27 Apr 2023 966th Maximizer02 868 135 8 Jun 2024 966th 0dyse 868 135 23 Apr 2025 966th Schmitt-Very-Cool 868 135 2 days ago 971st deadp4nda 🇩🇪 867 90 26 Apr 2024 972nd pardouin 🇫🇷 866 61 7 Aug 2024 973rd mtirado1 866 75 13 Aug 2022 974th KatieLG 🇬🇧 866 115 25 Sep 2022 974th emgordon154 866 115 17 Jan 2025 Prev 901–975 of 3,094 Next
