Collatz in Go in chars. 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 Chars Time Submitted 1st KasperKivimaeki 🇫🇮 1,000 103 237ms 35 hours ago 2nd JayXon 🇺🇸 981 105 246ms 4 Oct 2025 3rd Lydxn 🇨🇦 963 107 263ms 6 May 2022 3rd CaedenHarper 🇨🇦 963 107 308ms 5 Oct 2025 5th sean-niemann 🇺🇸 954 108 274ms 25 May 2024 5th GolfingSuccess 🇬🇷 954 108 273ms 6 Sep 2025 7th MeWhenI 🇻🇦 945 109 278ms 9 Feb 2023 8th emplv 🇱🇻 936 110 296ms 5 May 2022 8th Shanethegamer 🇺🇸 936 110 261ms 21 Nov 2023 8th edsrzf 🇳🇿 936 110 258ms 28 Nov 2024 8th targrik 936 110 267ms 30 Jun 2025 12th nwellnhof 🇩🇪 928 111 271ms 4 May 2022 12th stefangimmillaro 928 111 268ms 26 Sep 2023 12th kkoenig 928 111 287ms 4 Jan 2024 15th albanian-laundromat 920 112 254ms 9 days ago 16th Grrisly 904 114 287ms 25 Mar 2024 17th KatieLG 🇬🇧 896 115 290ms 25 Sep 2022 17th emgordon154 896 115 273ms 17 Jan 2025 19th Re-Adventures 🇮🇳 888 116 268ms 16 Jul 2023 19th Yewzir 🇧🇪 888 116 273ms 7 Feb 2024 21st cduerm 873 118 263ms 19 Sep 2025 22nd kimbo 🇺🇸 866 119 271ms 28 Dec 2022 23rd ibeucaly 858 120 278ms 20 Sep 2022 23rd ComputerKWasTaken 🇺🇸 858 120 255ms 20 Jan 2025 25th j-Ewan 851 121 291ms 13 May 2022 25th jerrandolph 851 121 290ms 21 Oct 2023 25th arctouch-cristiannevianna 851 121 301ms 15 Apr 2024 25th snoozingnewt 🇨🇦 851 121 252ms 8 Oct 2025 29th JRaspass 🇬🇧 844 122 265ms 4 May 2022 29th dkbednarczyk 844 122 285ms 5 Jun 2022 29th dokutan 844 122 280ms 15 Jul 2024 32nd weliveinhell 🇭🇹 837 123 274ms 2 Oct 2023 33rd Betuaredead 831 124 294ms 5 Jan 2023 34th ereztaiar 🇮🇱 824 125 276ms 11 May 2025 35th destofr 817 126 282ms 23 Aug 2022 35th nstearns96 🇬🇧 817 126 274ms 13 Dec 2022 35th odsteel 817 126 275ms 30 Mar 2023 35th Yax42 🇫🇷 817 126 256ms 4 Oct 2025 39th msbranicky 811 127 253ms 8 Sep 2023 40th WindbeutelBaron 792 130 287ms 18 Aug 2022 41st madeforlosers 786 131 281ms 26 Oct 2023 42nd kmathis22 769 134 254ms 5 Sep 2025 43rd wearsunscreen 652 158 279ms 17 Feb 2024 44th xbxbxb007 648 159 270ms 10 Jan 2024 45th hotmanga 644 160 292ms 20 Oct 2023 46th Bodo171 632 163 287ms 15 Jan 2023 46th eli-siegel 632 163 314ms 30 Jun 2023 48th steven-purcell 261 395 261ms 4 Aug 2023 49th HumanoidCPU 31 3,273 265ms 26 Aug 2024 50th KatieLG-Transpiler 🇬🇧 31 3,275 289ms 24 Jun 2022 51st retrohun 24 4,277 284ms 27 Dec 2022 51st Mabeloid 🇳🇴 24 4,277 268ms 17 Sep 2024 1–52 of 52