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 479th Lydxn 🇨🇦 893 50 431ms 15 Aug 2022 479th Steffan153 🇫🇮 893 50 485ms 9 Aug 2024 483rd NickTheEASDude 🇺🇸 893 76 6ms 7 May 2024 483rd edsrzf 🇳🇿 893 76 6ms 23 Dec 2025 483rd Shanethegamer 🇺🇸 893 76 5ms 23 Dec 2025 483rd jared-hughes 893 76 5ms 24 Dec 2025 483rd Waffle3z 893 76 5ms 26 Dec 2025 483rd Blendi-Goose 893 76 5ms 6 Feb 2026 483rd kTheLemon 893 76 5ms 27 days ago 490th MichalMarsalek 🇨🇿 893 87 379ms 5 May 2022 490th Kloppermand 🇩🇰 893 87 350ms 7 Oct 2022 490th bwat2 893 87 367ms 6 Apr 2023 490th bpharaldsson 893 87 425ms 9 Feb 2026 494th GrayJoKing 🇦🇺 893 91 30ms 19 Jan 2023 495th m-tkach 🇺🇦 893 117 25ms 7 May 2022 495th Lydxn 🇨🇦 893 117 26ms 7 May 2022 497th Lydxn 🇨🇦 892 72 353ms 16 Jul 2023 498th edsrzf 🇳🇿 892 78 12ms 26 Oct 2024 498th edsrzf 🇳🇿 892 78 17ms 16 Aug 2025 500th p-zubieta 891 48 299ms 6 Mar 2024 501st Ripick 891 73 122ms 8 May 2023 502nd dokutan 891 88 425ms 15 Feb 2026 503rd oeb25 891 93 127ms 16 May 2022 503rd snobee 🇨🇦 891 93 128ms 8 Dec 2022 503rd logvp 891 93 130ms 2 Jan 2024 503rd smartiel 891 93 127ms 12 Aug 2024 503rd trist224 🇫🇷 891 93 127ms 12 Aug 2024 503rd nullie 891 93 128ms 19 Dec 2024 503rd lolgeny 891 93 138ms 22 Feb 2025 510th GolfingSuccess 🇬🇷 891 95 60ms 5 May 2022 510th Alex-x90 🇺🇸 891 95 65ms 4 Dec 2022 510th Mandrzejy 🇵🇱 891 95 60ms 22 Mar 2024 513th Steffan153 🇫🇮 890 80 28ms 15 Nov 2022 513th error256 890 80 117ms 8 Apr 2025 515th KatieLG 🇬🇧 889 60 11ms 4 May 2022 515th ScottHamper 889 60 12ms 5 May 2022 515th Re-Adventures 🇮🇳 889 60 11ms 5 May 2022 515th 0x24a537r9 889 60 13ms 29 Jul 2022 515th stefangabos 🇷🇴 889 60 11ms 19 Aug 2022 515th eranws 889 60 11ms 10 Sep 2022 515th GeorgeStechman 🇬🇧 889 60 11ms 26 Sep 2022 515th BloodStormKnight 889 60 11ms 15 Oct 2022 515th dzshn 889 60 11ms 3 Dec 2022 515th biocommando 🇫🇮 889 60 10ms 20 Dec 2022 515th Betuaredead 889 60 12ms 5 Jan 2023 515th piano-miles 889 60 14ms 16 Jan 2023 515th Yewzir 🇧🇪 889 60 11ms 12 Feb 2023 515th shellbertt 🇨🇦 889 60 12ms 26 Feb 2023 515th zakariamouhid 889 60 10ms 20 May 2023 515th raphaelimahorn 889 60 11ms 23 Aug 2023 515th jbt 889 60 11ms 25 Dec 2023 515th olleicua 🇺🇸 889 60 9ms 15 Feb 2024 515th HumanoidCPU 889 60 12ms 3 May 2024 515th dokutan 889 60 11ms 13 Aug 2024 515th LostSyntax21 🇬🇧 889 60 10ms 10 Sep 2024 515th xyangst 889 60 11ms 28 Sep 2024 515th a6166231 🇨🇳 889 60 10ms 15 May 2025 515th SebassNoob 889 60 10ms 5 Aug 2025 515th levinwinter 889 60 10ms 22 Oct 2025 515th Cube14yt 889 60 10ms 16 Nov 2025 515th gigaprofisi 🇺🇸 889 60 11ms 17 Nov 2025 515th amazingalek 🇳🇴 889 60 10ms 20 Dec 2025 515th shandriy 889 60 10ms 23 Jan 2026 515th spidunno 889 60 11ms 17 Feb 2026 545th JayXon 🇺🇸 889 74 2,528ms 14 Nov 2024 546th Lydxn 🇨🇦 888 107 284ms 6 May 2022 546th CaedenHarper 🇨🇦 888 107 299ms 5 Oct 2025 548th canissimia 🇦🇶 888 204 16ms 25 Nov 2023 549th Shanethegamer 🇺🇸 887 61 4ms 31 Oct 2022 549th MeWhenI 🇻🇦 887 61 4ms 4 Nov 2022 551st P-Quentin 🇫🇷 887 63 20ms 3 Aug 2022 551st kaptsanovb 887 63 25ms 20 Apr 2023 551st fkantelberg 887 63 19ms 14 Jul 2023 551st VictorStenvers 🇳🇱 887 63 22ms 13 Nov 2023 551st 1231234md5 🇨🇳 887 63 20ms 14 Dec 2023 551st f-tucker 887 63 23ms 6 Feb 2024 551st JunkIce 887 63 24ms 24 Nov 2024 551st Kowalskiexe 🇵🇱 887 63 19ms 19 Apr 2025 551st 123mjb 887 63 24ms 2 Jun 2025 551st DrakeSeteraO 887 63 52ms 24 Oct 2025 First Prev 481–560 of 3,638 Next Last
