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 408th mattyhempstead 912 73 6 Oct 2024 408th wh3n3v3r 🇨🇿 912 73 18 Nov 2024 408th klixel 🇨🇦 912 73 18 Nov 2024 408th tjwrenn 912 73 10 Dec 2024 408th nullie 912 73 19 Dec 2024 408th ryyyn 🇺🇸 912 73 7 Jan 2025 408th maxgodfrey2004 🇨🇦 912 73 13 Feb 2025 408th lolgeny 912 73 22 Feb 2025 408th andrewjc2000 912 73 23 Feb 2025 408th Languag3 912 73 27 Feb 2025 408th Bulmenisaurus 912 73 2 Mar 2025 408th souta-1326 912 73 1 Apr 2025 408th BenjaminHGong 912 73 13 days ago 464th lynn 912 78 5 May 2022 465th Steffan153 🇫🇮 912 81 11 Dec 2023 466th andersk 🇺🇸 912 91 25 Oct 2022 466th Super-Pizza 🇨🇦 912 91 4 Dec 2022 466th klixel 🇨🇦 912 91 20 May 2023 466th lynn 912 91 6 Jul 2024 466th edsrzf 🇳🇿 912 91 29 Nov 2024 466th DialFrost 🇸🇬 912 91 7 Apr 2025 472nd nai62 910 69 27 Aug 2022 473rd Lydxn 🇨🇦 910 81 1 Apr 2023 474th tailorspy 910 93 27 May 2024 474th sean-niemann 🇺🇸 910 93 13 hours ago 476th primo-ppcg 🇹🇭 909 93 7 May 2022 476th AlephSquirrel 909 93 21 Jan 2023 476th kg583 🇺🇸 909 93 26 Dec 2024 476th CLOStrophobic 🇮🇹 909 93 17 Jan 2025 480th cbrt-x 909 129 6 May 2022 480th piano-miles 909 129 8 Feb 2023 480th lukashert 909 129 7 Jun 2023 480th DialFrost 🇸🇬 909 129 29 Jan 2024 480th bac0id 909 129 29 Jun 2024 480th yoshykai 909 129 27 Mar 2025 486th Shanethegamer 🇺🇸 907 77 15 May 2023 487th krcs 🇵🇱 907 86 10 May 2022 488th KrausRaus 🇺🇸 906 59 4 May 2022 488th voytxt 🇨🇿 906 59 4 May 2022 488th KingSkyrock 🇺🇸 906 59 18 May 2022 488th ZakkkkAttackkkk 🇵🇭 906 59 14 Jul 2022 488th aksyristos 906 59 28 Oct 2022 488th nstearns96 🇬🇧 906 59 28 Nov 2022 488th janbehrens 🇩🇪 906 59 17 May 2023 488th Shanethegamer 🇺🇸 906 59 25 May 2023 488th Maznek 906 59 26 Jun 2023 488th SpiritAxolotl 🇺🇸 906 59 20 Mar 2024 488th Andrey-Plotnikov 906 59 19 May 2024 488th emgordon154 906 59 5 Aug 2024 488th duckyluuk 🇳🇱 906 59 3 Oct 2024 488th lifthrasiir 🇰🇷 906 59 23 Nov 2024 488th fuzzylojik-golf 🇺🇸 906 59 8 days ago 503rd Betuaredead 906 60 5 Jan 2023 503rd Yewzir 🇧🇪 906 60 12 Feb 2023 503rd Steffan153 🇫🇮 906 60 23 Feb 2023 503rd DialFrost 🇸🇬 906 60 30 Jul 2024 503rd GolfingSuccess 🇬🇷 906 60 16 Oct 2024 503rd sean-niemann 🇺🇸 906 60 7 Mar 2025 509th GolfingSuccess 🇬🇷 906 64 14 Dec 2024 509th MeWhenI 🇻🇦 906 64 24 Dec 2024 511th GrayJoKing 🇦🇺 906 71 10 Aug 2023 512th ovs-code 🇩🇪 906 84 25 Sep 2022 512th GrayJoKing 🇦🇺 906 84 11 Aug 2023 514th MeWhenI 🇻🇦 905 63 5 May 2022 515th MeWhenI 🇻🇦 905 110 9 Feb 2023 515th edsrzf 🇳🇿 905 110 28 Nov 2024 517th Lydxn 🇨🇦 904 64 1 Apr 2023 518th DialFrost 🇸🇬 904 77 27 Feb 2025 519th Steffan153 🇫🇮 904 80 15 Nov 2022 519th error256 904 80 8 Apr 2025 521st marshallward 🇺🇸 904 83 10 May 2022 522nd nipzu 903 48 8 Sep 2024 523rd shinh 903 52 29 Jun 2022 523rd pardouin 🇫🇷 903 52 12 Apr 2025 525th m-tkach 🇺🇦 903 90 7 Dec 2023 Prev 451–525 of 3,081 Next
