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 409th jipsong 🇩🇪 912 73 23 Jul 2024 409th mattyhempstead 912 73 6 Oct 2024 409th wh3n3v3r 🇨🇿 912 73 18 Nov 2024 409th klixel 🇨🇦 912 73 18 Nov 2024 409th tjwrenn 912 73 10 Dec 2024 409th nullie 912 73 19 Dec 2024 409th ryyyn 🇺🇸 912 73 7 Jan 2025 409th maxgodfrey2004 🇨🇦 912 73 13 Feb 2025 409th lolgeny 912 73 22 Feb 2025 409th andrewjc2000 912 73 23 Feb 2025 409th Languag3 912 73 27 Feb 2025 409th Bulmenisaurus 912 73 2 Mar 2025 409th souta-1326 912 73 1 Apr 2025 409th BenjaminHGong 912 73 19 days ago 465th lynn 912 78 5 May 2022 466th Steffan153 🇫🇮 912 81 11 Dec 2023 467th andersk 🇺🇸 912 91 25 Oct 2022 467th Super-Pizza 🇨🇦 912 91 4 Dec 2022 467th klixel 🇨🇦 912 91 20 May 2023 467th lynn 912 91 6 Jul 2024 467th edsrzf 🇳🇿 912 91 29 Nov 2024 467th DialFrost 🇸🇬 912 91 7 Apr 2025 473rd tailorspy 911 93 27 May 2024 473rd sean-niemann 🇺🇸 911 93 5 days ago 475th nai62 910 69 27 Aug 2022 476th Lydxn 🇨🇦 910 81 1 Apr 2023 477th primo-ppcg 🇹🇭 909 93 7 May 2022 477th AlephSquirrel 909 93 21 Jan 2023 477th kg583 🇺🇸 909 93 26 Dec 2024 477th CLOStrophobic 🇮🇹 909 93 17 Jan 2025 481st cbrt-x 909 129 6 May 2022 481st piano-miles 909 129 8 Feb 2023 481st lukashert 909 129 7 Jun 2023 481st DialFrost 🇸🇬 909 129 29 Jan 2024 481st bac0id 909 129 29 Jun 2024 481st yoshykai 909 129 27 Mar 2025 487th Shanethegamer 🇺🇸 907 77 15 May 2023 488th krcs 🇵🇱 907 86 10 May 2022 489th KrausRaus 🇺🇸 906 59 4 May 2022 489th voytxt 🇨🇿 906 59 4 May 2022 489th KingSkyrock 🇺🇸 906 59 18 May 2022 489th ZakkkkAttackkkk 🇵🇭 906 59 14 Jul 2022 489th aksyristos 906 59 28 Oct 2022 489th nstearns96 🇬🇧 906 59 28 Nov 2022 489th janbehrens 🇩🇪 906 59 17 May 2023 489th Shanethegamer 🇺🇸 906 59 25 May 2023 489th Maznek 906 59 26 Jun 2023 489th SpiritAxolotl 🇺🇸 906 59 20 Mar 2024 489th Andrey-Plotnikov 906 59 19 May 2024 489th emgordon154 906 59 5 Aug 2024 489th duckyluuk 🇳🇱 906 59 3 Oct 2024 489th lifthrasiir 🇰🇷 906 59 23 Nov 2024 489th fuzzylojik-golf 🇺🇸 906 59 13 days ago 504th Betuaredead 906 60 5 Jan 2023 504th Yewzir 🇧🇪 906 60 12 Feb 2023 504th Steffan153 🇫🇮 906 60 23 Feb 2023 504th DialFrost 🇸🇬 906 60 30 Jul 2024 504th GolfingSuccess 🇬🇷 906 60 16 Oct 2024 504th sean-niemann 🇺🇸 906 60 7 Mar 2025 510th GolfingSuccess 🇬🇷 906 64 14 Dec 2024 510th MeWhenI 🇻🇦 906 64 24 Dec 2024 512th GrayJoKing 🇦🇺 906 71 10 Aug 2023 513th ovs-code 🇩🇪 906 84 25 Sep 2022 513th GrayJoKing 🇦🇺 906 84 11 Aug 2023 515th MeWhenI 🇻🇦 905 63 5 May 2022 516th MeWhenI 🇻🇦 905 110 9 Feb 2023 516th edsrzf 🇳🇿 905 110 28 Nov 2024 518th shinh 904 52 29 Jun 2022 518th pardouin 🇫🇷 904 52 12 Apr 2025 520th Lydxn 🇨🇦 904 64 1 Apr 2023 521st DialFrost 🇸🇬 904 77 27 Feb 2025 522nd Steffan153 🇫🇮 904 80 15 Nov 2022 522nd error256 904 80 8 Apr 2025 524th marshallward 🇺🇸 904 83 10 May 2022 525th nipzu 903 48 8 Sep 2024 Prev 451–525 of 3,090 Next
