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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 Chars Time Submitted 641st steffan-polygolf 879 74 132ms 14 Feb 2024 641st prestosilver 🇺🇸 879 74 131ms 18 Dec 2025 643rd Shanethegamer 🇺🇸 877 142 1,445ms 27 Mar 2025 643rd DialFrost 🇸🇬 877 142 1,410ms 28 Mar 2025 643rd emgordon154 877 142 1,516ms 10 Apr 2025 643rd GolfingSuccess 🇬🇷 877 142 1,534ms 6 Dec 2025 647th JayXon 🇺🇸 877 157 1,772ms 14 Sep 2025 648th mousetail 🇳🇱 876 40 66ms 29 Aug 2025 649th GrayJoKing 🇦🇺 876 84 35ms 19 Jun 2022 649th primo-ppcg 🇹🇭 876 84 36ms 29 Jun 2022 649th MeWhenI 🇻🇦 876 84 38ms 30 Dec 2025 652nd Shanethegamer 🇺🇸 875 51 511ms 15 May 2023 653rd c0d3-4-F00d 🇩🇪 874 61 10ms 6 May 2022 653rd jackkav 874 61 12ms 26 Jun 2022 653rd TechNolaByte 874 61 12ms 6 Jul 2022 653rd Heathcorp 🇦🇺 874 61 12ms 17 Jul 2022 653rd C0de5mith 🇺🇸 874 61 11ms 3 Aug 2022 653rd sebipopa 🇷🇴 874 61 11ms 18 Aug 2022 653rd moikaturns 🇬🇧 874 61 11ms 25 Sep 2022 653rd FlorianCassayre 🇫🇷 874 61 12ms 27 Sep 2022 653rd Mazn3k 874 61 10ms 1 Feb 2023 653rd tvcv901 874 61 10ms 22 Mar 2023 653rd unfinishedprogram 874 61 11ms 19 Jul 2023 653rd snoozingnewt 🇨🇦 874 61 13ms 23 Sep 2023 653rd funnyboy-roks 874 61 12ms 9 May 2024 653rd bac0id 874 61 10ms 29 Jun 2024 653rd madex 🇩🇪 874 61 14ms 9 Jul 2024 653rd FortuiteMan 🇫🇷 874 61 12ms 10 Oct 2024 653rd RobertHoeh 874 61 12ms 5 Apr 2025 653rd LvLError 874 61 11ms 29 May 2025 653rd miles-evan 874 61 13ms 5 Aug 2025 653rd alexsave 874 61 11ms 13 Oct 2025 673rd emgordon154 874 96 117ms 3 Dec 2025 674th dokutan 873 62 5ms 28 Apr 2025 675th NerdyMcNerd42 873 64 20ms 26 Oct 2022 675th tpasfieldERAU 873 64 23ms 14 Nov 2022 675th CheeseCake628 🇳🇴 873 64 23ms 6 Jan 2023 675th adamnielson42 🇺🇸 873 64 19ms 25 Apr 2023 675th nathsou 🇫🇷 873 64 21ms 2 Sep 2023 675th zwxzwxzwx21 873 64 24ms 30 Jan 2024 675th steffan-polygolf 873 64 21ms 8 Mar 2024 675th Jacob385 873 64 59ms 4 Apr 2024 675th gallium-gonzollium 873 64 28ms 26 Aug 2024 684th Shanethegamer 🇺🇸 873 66 172ms 4 May 2022 684th scpchicken 🇵🇼 873 66 254ms 5 May 2022 684th sisyphus-ppcg 🇦🇺 873 66 173ms 6 May 2022 684th Natanaelel 🇸🇪 873 66 144ms 15 Jun 2022 684th Z-snails 873 66 254ms 27 Feb 2023 684th Jeremy-Stafford 873 66 258ms 27 Feb 2023 684th alomiF 873 66 293ms 1 Sep 2023 684th btnlq 873 66 145ms 17 Oct 2023 684th Shengxuan-Zhang 873 66 278ms 17 days ago 693rd johnnythedoggie 873 72 93ms 13 May 2022 693rd kaascevich 873 72 90ms 8 Jul 2025 695th DialFrost 🇸🇬 873 73 149ms 3 Jun 2025 696th inventshah 873 97 59ms 6 May 2022 696th roupiq 🇵🇱 873 97 56ms 22 Nov 2023 696th emgordon154 873 97 57ms 8 Feb 2026 699th HPWiz 🇳🇿 872 49 265ms 4 May 2022 699th JayXon 🇺🇸 872 49 250ms 5 May 2022 699th Steffan153 🇫🇮 872 49 256ms 10 Dec 2022 699th ovs-code 🇩🇪 872 49 403ms 24 Oct 2023 699th sean-niemann 🇺🇸 872 49 268ms 12 Jul 2024 704th DialFrost 🇸🇬 872 76 82ms 17 Mar 2025 705th DialFrost 🇸🇬 872 86 40ms 24 Oct 2024 705th stefangimmillaro 872 86 39ms 14 Jan 2025 707th c0d3-4-F00d 🇩🇪 872 89 368ms 5 May 2022 707th fkantelberg 872 89 388ms 15 Jul 2023 707th bac0id 872 89 374ms 26 Sep 2023 707th TRexOnGit 872 89 423ms 16 Feb 2024 711th janbehrens 🇩🇪 872 90 467ms 21 Apr 2023 711th Yewzir 🇧🇪 872 90 459ms 22 Apr 2023 711th Ripick 872 90 459ms 27 Nov 2024 711th emgordon154 872 90 476ms 10 Dec 2025 715th MeWhenI 🇻🇦 872 109 286ms 9 Feb 2023 716th GolfingSuccess 🇬🇷 870 71 2ms 5 May 2022 716th emplv 🇱🇻 870 71 2ms 5 May 2022 716th JayXon 🇺🇸 870 71 2ms 7 May 2022 716th m-tkach 🇺🇦 870 71 2ms 15 May 2022 716th nwellnhof 🇩🇪 870 71 2ms 5 Jun 2022 First Prev 641–720 of 3,592 Next Last