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 739th Yewzir 🇧🇪 891 60 12 Feb 2023 739th shellbertt 🇨🇦 891 60 26 Feb 2023 739th zakariamouhid 891 60 20 May 2023 739th raphaelimahorn 891 60 23 Aug 2023 739th jbt 891 60 25 Dec 2023 739th olleicua 🇺🇸 891 60 15 Feb 2024 739th HumanoidCPU 891 60 3 May 2024 739th dokutan 891 60 13 Aug 2024 739th LostSyntax21 🇬🇧 891 60 10 Sep 2024 739th xyangst 891 60 28 Sep 2024 739th a6166231 🇨🇳 891 60 15 May 2025 739th Protothor 891 60 8 Jul 2025 739th SebassNoob 891 60 5 Aug 2025 739th Yax42 🇫🇷 891 60 19 days ago 765th lynn 891 65 5 May 2022 765th GrayJoKing 🇦🇺 891 65 5 May 2022 765th Sakisan 🇧🇪 891 65 6 May 2022 765th JayXon 🇺🇸 891 65 17 Oct 2022 765th Steffan153 🇫🇮 891 65 12 Nov 2022 765th tobeannouncd 891 65 25 Apr 2025 765th sean-niemann 🇺🇸 891 65 9 Jun 2025 772nd sean-niemann 🇺🇸 891 73 12 Jul 2024 773rd canissimia 🇦🇶 891 110 20 Feb 2023 774th stefangimmillaro 891 112 26 Sep 2023 774th kkoenig 891 112 4 Jan 2024 776th m-tkach 🇺🇦 891 117 7 May 2022 776th Lydxn 🇨🇦 891 117 7 May 2022 778th primo-ppcg 🇹🇭 890 52 5 May 2022 778th dvargas46 🇺🇸 890 52 22 Dec 2022 780th JayXon 🇺🇸 890 74 14 Nov 2024 781st DialFrost 🇸🇬 890 95 10 Dec 2024 782nd martinnorling 🇸🇪 889 75 5 May 2022 782nd Trunksistor 🇫🇷 889 75 9 May 2022 782nd bbakersmith 889 75 28 Jun 2022 782nd bsoyka 🇺🇸 889 75 16 Jul 2022 782nd P-Quentin 🇫🇷 889 75 3 Aug 2022 782nd julienlamoureux78 889 75 12 Aug 2022 782nd dzshn 889 75 16 Aug 2022 782nd NerdyMcNerd42 889 75 20 Aug 2022 782nd destofr 889 75 25 Aug 2022 782nd vishwathg 889 75 10 Oct 2022 782nd nkoppel 889 75 19 Oct 2022 782nd AZ9tumas 889 75 23 Oct 2022 782nd EthanGrant1 889 75 7 Nov 2022 782nd Omega65536 🇩🇪 889 75 24 Nov 2022 782nd b10011 🇫🇮 889 75 3 Jan 2023 782nd 4ndyJ 🇬🇧 889 75 3 Jan 2023 782nd randolchance 889 75 8 Jan 2023 782nd LeeCamp 889 75 12 Jan 2023 782nd hellwue 889 75 15 Feb 2023 782nd nandanjp 889 75 29 Mar 2023 782nd kaptsanovb 889 75 20 Apr 2023 782nd galloj 🇨🇿 889 75 20 May 2023 782nd jhu04 889 75 23 Jun 2023 782nd HelloYuiYui 889 75 1 Nov 2023 782nd tobyLovick 889 75 10 Nov 2023 782nd VictorStenvers 🇳🇱 889 75 13 Nov 2023 782nd RZ781 889 75 19 Nov 2023 782nd mikehanus 889 75 21 Nov 2023 782nd 1231234md5 🇨🇳 889 75 14 Dec 2023 782nd Hebelub 889 75 6 Jan 2024 782nd minhtrancccp 889 75 11 Jan 2024 782nd 123mjb 889 75 25 Jan 2024 782nd jbjd 889 75 25 Feb 2024 782nd gabe-gallegos 889 75 2 May 2024 782nd kejcao 🇨🇦 889 75 11 May 2024 782nd f-tucker 889 75 24 May 2024 782nd Florian-Mt 889 75 22 Jul 2024 782nd codingisgreatbutiamnot 889 75 9 Aug 2024 782nd Terobero 889 75 23 Aug 2024 782nd abhishekg999 889 75 17 Sep 2024 782nd RedzGoose 🇦🇺 889 75 7 Oct 2024 782nd Clay-Goodling 889 75 8 Oct 2024 782nd JunkIce 889 75 5 Mar 2025 782nd jiji7879 889 75 20 Jun 2025 Prev 751–825 of 3,339 Next
