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 Hilbert Curve 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 738th shellbertt 🇨🇦 891 60 26 Feb 2023 738th zakariamouhid 891 60 20 May 2023 738th raphaelimahorn 891 60 23 Aug 2023 738th jbt 891 60 25 Dec 2023 738th olleicua 🇺🇸 891 60 15 Feb 2024 738th HumanoidCPU 891 60 3 May 2024 738th dokutan 891 60 13 Aug 2024 738th LostSyntax21 🇬🇧 891 60 10 Sep 2024 738th xyangst 891 60 28 Sep 2024 738th a6166231 🇨🇳 891 60 15 May 2025 738th Protothor 891 60 8 Jul 2025 738th SebassNoob 891 60 5 Aug 2025 738th Yax42 🇫🇷 891 60 19 days ago 764th lynn 891 65 5 May 2022 764th GrayJoKing 🇦🇺 891 65 5 May 2022 764th Sakisan 🇧🇪 891 65 6 May 2022 764th JayXon 🇺🇸 891 65 17 Oct 2022 764th Steffan153 🇫🇮 891 65 12 Nov 2022 764th tobeannouncd 891 65 25 Apr 2025 764th sean-niemann 🇺🇸 891 65 9 Jun 2025 771st sean-niemann 🇺🇸 891 73 12 Jul 2024 772nd canissimia 🇦🇶 891 110 20 Feb 2023 773rd stefangimmillaro 891 112 26 Sep 2023 773rd kkoenig 891 112 4 Jan 2024 775th m-tkach 🇺🇦 891 117 7 May 2022 775th Lydxn 🇨🇦 891 117 7 May 2022 777th primo-ppcg 🇹🇭 890 52 5 May 2022 777th dvargas46 🇺🇸 890 52 22 Dec 2022 779th JayXon 🇺🇸 890 74 14 Nov 2024 780th DialFrost 🇸🇬 890 95 10 Dec 2024 781st martinnorling 🇸🇪 889 75 5 May 2022 781st Trunksistor 🇫🇷 889 75 9 May 2022 781st bbakersmith 889 75 28 Jun 2022 781st bsoyka 🇺🇸 889 75 16 Jul 2022 781st P-Quentin 🇫🇷 889 75 3 Aug 2022 781st julienlamoureux78 889 75 12 Aug 2022 781st dzshn 889 75 16 Aug 2022 781st NerdyMcNerd42 889 75 20 Aug 2022 781st destofr 889 75 25 Aug 2022 781st vishwathg 889 75 10 Oct 2022 781st nkoppel 889 75 19 Oct 2022 781st AZ9tumas 889 75 23 Oct 2022 781st EthanGrant1 889 75 7 Nov 2022 781st Omega65536 🇩🇪 889 75 24 Nov 2022 781st b10011 🇫🇮 889 75 3 Jan 2023 781st 4ndyJ 🇬🇧 889 75 3 Jan 2023 781st randolchance 889 75 8 Jan 2023 781st LeeCamp 889 75 12 Jan 2023 781st hellwue 889 75 15 Feb 2023 781st nandanjp 889 75 29 Mar 2023 781st kaptsanovb 889 75 20 Apr 2023 781st galloj 🇨🇿 889 75 20 May 2023 781st jhu04 889 75 23 Jun 2023 781st HelloYuiYui 889 75 1 Nov 2023 781st tobyLovick 889 75 10 Nov 2023 781st VictorStenvers 🇳🇱 889 75 13 Nov 2023 781st RZ781 889 75 19 Nov 2023 781st mikehanus 889 75 21 Nov 2023 781st 1231234md5 🇨🇳 889 75 14 Dec 2023 781st Hebelub 889 75 6 Jan 2024 781st minhtrancccp 889 75 11 Jan 2024 781st 123mjb 889 75 25 Jan 2024 781st jbjd 889 75 25 Feb 2024 781st gabe-gallegos 889 75 2 May 2024 781st kejcao 🇨🇦 889 75 11 May 2024 781st f-tucker 889 75 24 May 2024 781st Florian-Mt 889 75 22 Jul 2024 781st codingisgreatbutiamnot 889 75 9 Aug 2024 781st Terobero 889 75 23 Aug 2024 781st abhishekg999 889 75 17 Sep 2024 781st RedzGoose 🇦🇺 889 75 7 Oct 2024 781st Clay-Goodling 889 75 8 Oct 2024 781st JunkIce 889 75 5 Mar 2025 781st jiji7879 889 75 20 Jun 2025 781st faragocsaba 889 75 22 Jun 2025 Prev 751–825 of 3,339 Next
