Collatz in all languages 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 481st SirBogman 🇺🇸 893 50 516ms 5 May 2022 481st nwellnhof 🇩🇪 893 50 504ms 3 Jun 2022 481st Lydxn 🇨🇦 893 50 431ms 15 Aug 2022 481st Steffan153 🇫🇮 893 50 485ms 9 Aug 2024 485th NickTheEASDude 🇺🇸 893 76 6ms 7 May 2024 485th edsrzf 🇳🇿 893 76 6ms 23 Dec 2025 485th Shanethegamer 🇺🇸 893 76 5ms 23 Dec 2025 485th jared-hughes 893 76 5ms 24 Dec 2025 485th Waffle3z 893 76 5ms 26 Dec 2025 485th Blendi-Goose 893 76 5ms 6 Feb 2026 485th kTheLemon 893 76 5ms 7 Mar 2026 492nd MichalMarsalek 🇨🇿 893 87 379ms 5 May 2022 492nd Kloppermand 🇩🇰 893 87 350ms 7 Oct 2022 492nd bwat2 893 87 367ms 6 Apr 2023 492nd bpharaldsson 893 87 425ms 9 Feb 2026 496th GrayJoKing 🇦🇺 893 91 30ms 19 Jan 2023 497th m-tkach 🇺🇦 893 117 25ms 7 May 2022 497th Lydxn 🇨🇦 893 117 26ms 7 May 2022 499th Lydxn 🇨🇦 892 72 353ms 16 Jul 2023 500th edsrzf 🇳🇿 892 78 12ms 26 Oct 2024 500th edsrzf 🇳🇿 892 78 17ms 16 Aug 2025 502nd p-zubieta 891 48 299ms 6 Mar 2024 503rd Ripick 891 73 122ms 8 May 2023 504th dokutan 891 88 425ms 15 Feb 2026 505th oeb25 891 93 127ms 16 May 2022 505th snobee 🇨🇦 891 93 128ms 8 Dec 2022 505th logvp 891 93 130ms 2 Jan 2024 505th smartiel 891 93 127ms 12 Aug 2024 505th trist224 🇫🇷 891 93 127ms 12 Aug 2024 505th nullie 891 93 128ms 19 Dec 2024 505th lolgeny 891 93 138ms 22 Feb 2025 512th GolfingSuccess 🇬🇷 891 95 60ms 5 May 2022 512th Alex-x90 🇺🇸 891 95 65ms 4 Dec 2022 512th Mandrzejy 🇵🇱 891 95 60ms 22 Mar 2024 515th JayXon 🇺🇸 890 74 2,528ms 14 Nov 2024 516th Steffan153 🇫🇮 890 80 28ms 15 Nov 2022 516th error256 890 80 117ms 8 Apr 2025 518th KatieLG 🇬🇧 889 60 11ms 4 May 2022 518th ScottHamper 889 60 12ms 5 May 2022 518th Re-Adventures 🇮🇳 889 60 11ms 5 May 2022 518th 0x24a537r9 889 60 13ms 29 Jul 2022 518th stefangabos 🇷🇴 889 60 11ms 19 Aug 2022 518th eranws 889 60 11ms 10 Sep 2022 518th GeorgeStechman 🇬🇧 889 60 11ms 26 Sep 2022 518th BloodStormKnight 889 60 11ms 15 Oct 2022 518th dzshn 889 60 11ms 3 Dec 2022 518th biocommando 🇫🇮 889 60 10ms 20 Dec 2022 518th Betuaredead 889 60 12ms 5 Jan 2023 518th piano-miles 889 60 14ms 16 Jan 2023 518th Yewzir 🇧🇪 889 60 11ms 12 Feb 2023 518th shellbertt 🇨🇦 889 60 12ms 26 Feb 2023 518th zakariamouhid 889 60 10ms 20 May 2023 518th raphaelimahorn 889 60 11ms 23 Aug 2023 518th jbt 889 60 11ms 25 Dec 2023 518th olleicua 🇺🇸 889 60 9ms 15 Feb 2024 518th HumanoidCPU 889 60 12ms 3 May 2024 518th dokutan 889 60 11ms 13 Aug 2024 518th LostSyntax21 🇬🇧 889 60 10ms 10 Sep 2024 518th xyangst 889 60 11ms 28 Sep 2024 518th a6166231 🇨🇳 889 60 10ms 15 May 2025 518th SebassNoob 889 60 10ms 5 Aug 2025 518th levinwinter 889 60 10ms 22 Oct 2025 518th Cube14yt 889 60 10ms 16 Nov 2025 518th gigaprofisi 🇺🇸 889 60 11ms 17 Nov 2025 518th amazingalek 🇳🇴 889 60 10ms 20 Dec 2025 518th shandriy 889 60 10ms 23 Jan 2026 518th spidunno 889 60 11ms 17 Feb 2026 548th Lydxn 🇨🇦 888 107 284ms 6 May 2022 548th CaedenHarper 🇨🇦 888 107 299ms 5 Oct 2025 550th canissimia 🇦🇶 888 204 16ms 25 Nov 2023 551st Shanethegamer 🇺🇸 887 61 4ms 31 Oct 2022 551st MeWhenI 🇻🇦 887 61 4ms 4 Nov 2022 553rd P-Quentin 🇫🇷 887 63 20ms 3 Aug 2022 553rd kaptsanovb 887 63 25ms 20 Apr 2023 553rd fkantelberg 887 63 19ms 14 Jul 2023 553rd VictorStenvers 🇳🇱 887 63 22ms 13 Nov 2023 553rd 1231234md5 🇨🇳 887 63 20ms 14 Dec 2023 553rd f-tucker 887 63 23ms 6 Feb 2024 553rd JunkIce 887 63 24ms 24 Nov 2024 553rd Kowalskiexe 🇵🇱 887 63 19ms 19 Apr 2025 First Prev 481–560 of 3,641 Next Last
