Collatz in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Minesweeper 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 897th error256 856 55 36ms 4 May 2024 902nd JayXon 🇺🇸 856 56 998ms 9 May 2022 903rd mtirado1 856 74 83ms 24 Dec 2022 903rd Betuaredead 856 74 81ms 6 Jan 2023 903rd KatieLG 🇬🇧 856 74 81ms 15 Jan 2023 903rd bwat2 856 74 84ms 31 Mar 2023 903rd stackotter 856 74 82ms 29 May 2023 903rd ovs-code 🇩🇪 856 74 82ms 17 Apr 2024 903rd madeforlosers 856 74 80ms 21 Nov 2024 910th frosster 856 76 7ms 12 May 2023 910th kyleclaassen 856 76 7ms 20 May 2023 910th NickTheEASDude 🇺🇸 856 76 6ms 7 May 2024 910th koipondx86 856 76 7ms 8 Nov 2024 914th eshilo-draper 856 91 365ms 4 Sep 2022 914th ericlangedijk 🇸🇮 856 91 389ms 23 May 2023 914th KatieLG 🇬🇧 856 91 382ms 30 Apr 2024 914th Mikey-Beep 🇬🇧 856 91 341ms 3 Sep 2024 918th DialFrost 🇸🇬 855 61 418ms 21 Jan 2024 919th Shanethegamer 🇺🇸 855 99 24ms 27 Apr 2023 920th ovs-code 🇩🇪 853 62 131ms 3 Aug 2024 920th MeWhenI 🇻🇦 853 62 134ms 25 Oct 2024 920th Shanethegamer 🇺🇸 853 62 141ms 19 Dec 2024 923rd Shanethegamer 🇺🇸 853 85 411ms 18 May 2022 923rd GrayJoKing 🇦🇺 853 85 404ms 20 May 2022 925th albanian-laundromat 853 113 254ms 12 days ago 926th JRaspass 🇬🇧 852 46 351ms 4 May 2022 926th Natanaelel 🇸🇪 852 46 542ms 4 May 2022 928th retrohun 852 64 6ms 6 Nov 2022 928th Re-Adventures 🇮🇳 852 64 5ms 7 Nov 2022 928th stellartux 852 64 5ms 26 Dec 2023 928th bac0id 852 64 5ms 29 Jun 2024 928th snoozingnewt 🇨🇦 852 64 5ms 1 Sep 2024 928th albanian-laundromat 852 64 5ms 22 Sep 2025 934th the-zammers 852 68 172ms 2 Oct 2023 935th DialFrost 🇸🇬 852 87 42ms 18 hours ago 936th lynn 851 96 29ms 11 Jul 2023 937th Schmitt-Very-Cool 851 98 435ms 26 Sep 2025 938th inventshah 850 74 2ms 4 May 2022 938th undersquire 850 74 2ms 24 Jun 2023 938th rdmsr 850 74 2ms 24 Jun 2023 938th Bmrl7 850 74 2ms 9 Jul 2023 938th Vinterion 850 74 4ms 6 Nov 2023 938th Herbert00709 🇵🇱 850 74 2ms 22 Dec 2023 944th janAkali 🇷🇺 850 77 123ms 12 Feb 2025 945th krcs 🇵🇱 849 53 282ms 9 May 2022 945th ryanlanegit 849 53 301ms 19 Jun 2022 945th sisyphus-ppcg 🇦🇺 849 53 456ms 15 Aug 2022 948th randolchance 849 63 11ms 8 Jan 2023 948th CatsAreFluffy 849 63 10ms 18 Feb 2023 948th amiralitaheri 849 63 10ms 23 Feb 2023 948th RuyiLi 849 63 9ms 1 Apr 2023 948th TaserTheFox 🇺🇸 849 63 10ms 25 May 2023 948th pfysches-boop 849 63 9ms 6 Aug 2023 948th mhgockel 849 63 10ms 19 Aug 2023 948th NickTheEASDude 🇺🇸 849 63 10ms 18 Jan 2024 948th 823126 849 63 14ms 14 Nov 2024 948th Palladium02 849 63 9ms 12 May 2025 948th 4very 849 63 10ms 10 Jun 2025 948th Ultra814 849 63 9ms 21 Aug 2025 960th DialFrost 🇸🇬 848 66 189ms 7 Apr 2025 961st SirBogman 🇺🇸 848 89 38ms 4 May 2022 962nd Shanethegamer 🇺🇸 848 98 119ms 26 Oct 2022 962nd emgordon154 848 98 121ms 18 Feb 2025 964th jared-hughes 848 100 56ms 20 Jul 2022 964th ZakkkkAttackkkk 🇵🇭 848 100 52ms 10 Aug 2022 964th Walter225 848 100 54ms 25 Jul 2023 967th AdamHe17 847 73 20ms 31 May 2022 967th AliceFord 847 73 19ms 2 Jun 2022 967th Natanaelel 🇸🇪 847 73 16ms 16 Jun 2022 967th btjones0 847 73 24ms 21 Jun 2022 967th marcin7Cd 847 73 19ms 27 Jun 2022 967th tri1212 🇻🇳 847 73 27ms 18 Jul 2022 967th vhoulbreque 🇫🇷 847 73 19ms 18 Aug 2022 967th KatieLG 🇬🇧 847 73 20ms 29 Aug 2022 967th tkr-sh 🇰🇵 847 73 20ms 8 Sep 2022 First Prev 901–975 of 3,522 Next Last
