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 670th nullie 892 93 19 Dec 2024 670th lolgeny 892 93 22 Feb 2025 678th Steffan153 🇫🇮 891 52 31 Dec 2022 679th Shanethegamer 🇺🇸 891 61 31 Oct 2022 679th MeWhenI 🇻🇦 891 61 4 Nov 2022 681st KatieLG 🇬🇧 890 60 4 May 2022 681st ScottHamper 890 60 5 May 2022 681st Re-Adventures 🇮🇳 890 60 5 May 2022 681st 0x24a537r9 890 60 29 Jul 2022 681st stefangabos 🇷🇴 890 60 19 Aug 2022 681st eranws 890 60 10 Sep 2022 681st GeorgeStechman 🇬🇧 890 60 26 Sep 2022 681st BloodStormKnight 890 60 15 Oct 2022 681st dzshn 890 60 3 Dec 2022 681st biocommando 🇫🇮 890 60 20 Dec 2022 681st Betuaredead 890 60 5 Jan 2023 681st piano-miles 890 60 16 Jan 2023 681st Yewzir 🇧🇪 890 60 12 Feb 2023 681st shellbertt 🇨🇦 890 60 26 Feb 2023 681st zakariamouhid 890 60 20 May 2023 681st raphaelimahorn 890 60 23 Aug 2023 681st jbt 890 60 25 Dec 2023 681st olleicua 🇺🇸 890 60 15 Feb 2024 681st HumanoidCPU 890 60 3 May 2024 681st dokutan 890 60 13 Aug 2024 681st LostSyntax21 🇬🇧 890 60 10 Sep 2024 681st xyangst 890 60 28 Sep 2024 703rd lynn 890 65 5 May 2022 703rd GrayJoKing 🇦🇺 890 65 5 May 2022 703rd Sakisan 🇧🇪 890 65 6 May 2022 703rd JayXon 🇺🇸 890 65 17 Oct 2022 703rd Steffan153 🇫🇮 890 65 12 Nov 2022 703rd tobeannouncd 890 65 6 days ago 709th sean-niemann 🇺🇸 890 73 12 Jul 2024 710th GolfingSuccess 🇬🇷 890 95 5 May 2022 710th Alex-x90 🇺🇸 890 95 4 Dec 2022 710th Mandrzejy 🇵🇱 890 95 22 Mar 2024 710th DialFrost 🇸🇬 890 95 10 Dec 2024 714th primo-ppcg 🇹🇭 889 52 5 May 2022 714th dvargas46 🇺🇸 889 52 22 Dec 2022 716th stefangimmillaro 889 71 2 Oct 2022 716th Steffan153 🇫🇮 889 71 23 Feb 2023 716th Shanethegamer 🇺🇸 889 71 16 May 2023 716th sean-niemann 🇺🇸 889 71 12 Jul 2024 720th GrayJoKing 🇦🇺 889 77 13 Sep 2024 721st canissimia 🇦🇶 889 110 20 Feb 2023 722nd martinnorling 🇸🇪 888 75 5 May 2022 722nd Trunksistor 🇫🇷 888 75 9 May 2022 722nd bbakersmith 888 75 28 Jun 2022 722nd bsoyka 888 75 16 Jul 2022 722nd P-Quentin 🇫🇷 888 75 3 Aug 2022 722nd julienlamoureux78 888 75 12 Aug 2022 722nd dzshn 888 75 16 Aug 2022 722nd NerdyMcNerd42 888 75 20 Aug 2022 722nd destofr 888 75 25 Aug 2022 722nd vishwathg 888 75 10 Oct 2022 722nd nkoppel 888 75 19 Oct 2022 722nd AZ9tumas 888 75 23 Oct 2022 722nd EthanGrant1 888 75 7 Nov 2022 722nd Omega65536 🇩🇪 888 75 24 Nov 2022 722nd b10011 🇫🇮 888 75 3 Jan 2023 722nd 4ndyJ 🇬🇧 888 75 3 Jan 2023 722nd randolchance 888 75 8 Jan 2023 722nd LeeCamp 888 75 12 Jan 2023 722nd hellwue 888 75 15 Feb 2023 722nd nandanjp 888 75 29 Mar 2023 722nd kaptsanovb 888 75 20 Apr 2023 722nd galloj 🇨🇿 888 75 20 May 2023 722nd jhu04 888 75 23 Jun 2023 722nd HelloYuiYui 888 75 1 Nov 2023 722nd keelimeguy 🇺🇸 888 75 6 Nov 2023 722nd tobyLovick 888 75 10 Nov 2023 722nd VictorStenvers 🇳🇱 888 75 13 Nov 2023 722nd RZ781 888 75 19 Nov 2023 722nd mikehanus 888 75 21 Nov 2023 Prev 676–750 of 3,001 Next