Collatz in Rust 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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 1st JayXon 🇺🇸 1,000 88 131ms 17 Oct 2022 1st acotis 1,000 88 150ms 9 Jun 2025 1st kumavale 1,000 88 145ms 7 Oct 2025 4th Lydxn 🇨🇦 978 90 124ms 6 May 2022 5th andersk 🇺🇸 967 91 136ms 25 Oct 2022 5th Super-Pizza 🇨🇦 967 91 124ms 4 Dec 2022 5th klixel 🇨🇦 967 91 134ms 20 May 2023 5th lynn 967 91 126ms 6 Jul 2024 5th edsrzf 🇳🇿 967 91 129ms 29 Nov 2024 5th DialFrost 🇸🇬 967 91 135ms 7 Apr 2025 5th elgan65536 🇺🇸 967 91 131ms 2 days ago 12th stefangimmillaro 957 92 132ms 24 Oct 2023 12th inverseLorentz 🇦🇺 957 92 128ms 27 May 2024 12th sean-niemann 🇺🇸 957 92 138ms 8 Jun 2025 12th ian-h-chamberlain 🇺🇸 957 92 131ms 23 Nov 2025 16th oeb25 946 93 119ms 16 May 2022 16th snobee 🇨🇦 946 93 116ms 8 Dec 2022 16th logvp 946 93 121ms 2 Jan 2024 16th smartiel 946 93 119ms 12 Aug 2024 16th trist224 🇫🇷 946 93 121ms 12 Aug 2024 16th nullie 946 93 127ms 19 Dec 2024 16th lolgeny 946 93 124ms 22 Feb 2025 23rd nipzu 936 94 120ms 17 May 2022 23rd Natanaelel 🇸🇪 936 94 145ms 17 Jun 2022 23rd nkoppel 936 94 123ms 19 Oct 2022 23rd ovs-code 🇩🇪 936 94 118ms 21 Jun 2023 23rd mousetail 🇳🇱 936 94 127ms 12 Jan 2024 28th TylerBloom 917 96 119ms 22 Mar 2024 29th henrydukepickle 907 97 128ms 8 Jul 2025 30th Shanethegamer 🇺🇸 898 98 121ms 26 Oct 2022 30th emgordon154 898 98 121ms 18 Feb 2025 32nd msbranicky 880 100 123ms 5 Oct 2023 32nd dokutan 880 100 130ms 3 Oct 2024 34th r-brinke 🇳🇱 871 101 123ms 24 Feb 2023 34th MeWhenI 🇻🇦 871 101 125ms 29 May 2023 34th HumanoidCPU 871 101 125ms 7 May 2024 34th luuumine 🇫🇷 871 101 124ms 11 Nov 2025 34th Heathcorp 🇦🇺 871 101 126ms 34 mins ago 39th Starwort 🇬🇧 863 102 119ms 11 Nov 2022 39th okaponta 863 102 125ms 11 Jan 2024 39th unfinishedprogram 863 102 139ms 27 Jun 2025 39th Mabeloid 🇳🇴 863 102 132ms 31 Oct 2025 39th Lv0Sys 🇵🇱 863 102 122ms 7 Dec 2025 44th JGDoerrer 854 103 140ms 29 Jun 2022 44th AlexanderFair 854 103 130ms 5 Jul 2023 44th yamhab 🇨🇦 854 103 117ms 14 Sep 2023 44th siltyy 854 103 121ms 20 Mar 2024 48th Z-snails 846 104 127ms 27 Feb 2023 48th undersquire 846 104 113ms 21 Jun 2023 48th StronkCheese 🇺🇸 846 104 124ms 7 Sep 2023 48th 77Tigers 846 104 124ms 9 Apr 2024 48th ndren 846 104 121ms 14 Jul 2025 48th o800 846 104 125ms 17 Nov 2025 54th hueblu 838 105 125ms 30 May 2022 54th StHagel 838 105 116ms 25 May 2023 54th rucin93 🇵🇱 838 105 121ms 2 May 2024 54th Arkadios200 838 105 123ms 21 Sep 2025 58th wuzekai518 830 106 117ms 8 Jul 2024 59th TheSmilingTurtle 822 107 122ms 5 Jun 2022 60th snoozingnewt 🇨🇦 815 108 132ms 23 Sep 2023 60th madex 🇩🇪 815 108 126ms 9 Jul 2024 60th madeforlosers 815 108 130ms 5 Sep 2024 60th FortuiteMan 🇫🇷 815 108 122ms 10 Oct 2024 60th LvLError 815 108 136ms 29 May 2025 65th Alex-Huggett 🇬🇧 807 109 126ms 14 Apr 2024 65th TannerJ07 🇺🇸 807 109 122ms 4 Apr 2025 67th Betuaredead 800 110 126ms 5 Jan 2023 67th Florian-Mt 800 110 125ms 22 Jul 2024 67th asterized 800 110 138ms 24 Aug 2024 67th ComputerKWasTaken 🇺🇸 800 110 118ms 20 Jan 2025 67th CosmicRaichu 800 110 148ms 25 Apr 2025 67th kmathis22 800 110 126ms 24 Sep 2025 73rd JohnSwiftC 793 111 173ms 13 days ago 74th aDwarfNamedUrist 786 112 126ms 13 Dec 2022 74th lambda-abstraction 786 112 122ms 21 Oct 2023 74th drabart 🇵🇱 786 112 124ms 15 Dec 2023 77th jhpaques 🇫🇷 772 114 133ms 30 Jul 2022 78th avila-gabriel 759 116 133ms 17 Oct 2024 79th TheMadRey 746 118 116ms 5 Mar 2024 79th addmai 746 118 122ms 25 Jul 2025 1–80 of 96 Next Last