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 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 ><> 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 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 Chars Time Submitted 721st Shanethegamer 🇺🇸 868 81 18ms 19 Dec 2023 721st emgordon154 868 81 21ms 29 Jul 2025 723rd nwellnhof 🇩🇪 867 53 6ms 4 May 2022 723rd GrayJoKing 🇦🇺 867 53 7ms 6 May 2022 725th DialFrost 🇸🇬 867 56 1,180ms 1 Sep 2025 725th GolfingSuccess 🇬🇷 867 56 905ms 6 days ago 727th albanian-laundromat 867 73 557ms 16 Dec 2025 728th dieggsy 867 97 28ms 8 Oct 2024 729th ovs-code 🇩🇪 867 133 42ms 8 Jul 2024 730th Andriamanitra 🇫🇮 866 54 41ms 21 Jul 2022 730th jared-hughes 866 54 37ms 12 Sep 2022 730th OhmNomNom 866 54 37ms 7 Oct 2022 730th olleicua 🇺🇸 866 54 41ms 21 Jan 2024 730th LostSyntax21 🇬🇧 866 54 41ms 12 Mar 2025 730th AbrahamJLR 🇻🇪 866 54 40ms 4 Jun 2025 730th vishal-mohanty 866 54 40ms 25 Aug 2025 737th Shanethegamer 🇺🇸 866 85 38ms 15 May 2023 737th albanian-laundromat 866 85 40ms 25 Aug 2025 739th 123mjb 866 96 366ms 20 Nov 2025 739th noescareno 866 96 366ms 21 Nov 2025 741st emgordon154 866 159 1,606ms 24 Dec 2025 741st DialFrost 🇸🇬 866 159 1,669ms 17 Jan 2026 743rd DialFrost 🇸🇬 865 64 5ms 10 Jul 2024 744th shellbertt 🇨🇦 864 98 61ms 9 May 2022 744th iakolzin 864 98 54ms 26 May 2022 744th Betuaredead 864 98 61ms 5 Jan 2023 744th oceko 864 98 57ms 19 Feb 2024 744th cuzdav 864 98 57ms 4 May 2025 744th timhaj 🇸🇮 864 98 54ms 12 Sep 2025 744th Yax42 🇫🇷 864 98 60ms 4 Oct 2025 751st emplv 🇱🇻 864 110 279ms 5 May 2022 751st Shanethegamer 🇺🇸 864 110 287ms 21 Nov 2023 751st edsrzf 🇳🇿 864 110 292ms 28 Nov 2024 751st targrik 864 110 271ms 30 Jun 2025 755th deadp4nda 🇩🇪 863 90 390ms 26 Apr 2024 755th 123mjb 863 90 349ms 23 Jun 2025 755th michelebastione 🇮🇹 863 90 407ms 24 Aug 2025 755th razvandmtr 🇷🇴 863 90 403ms 6 Nov 2025 759th TylerBloom 863 96 119ms 22 Mar 2024 760th Shanethegamer 🇺🇸 863 97 127ms 15 Apr 2025 760th GolfingSuccess 🇬🇷 863 97 104ms 28 Nov 2025 760th DialFrost 🇸🇬 863 97 102ms 1 Dec 2025 763rd Steffan153 🇫🇮 862 82 1,388ms 23 Feb 2023 764th steffan-polygolf 861 73 87ms 23 Feb 2023 764th MWI-polygolf 861 73 83ms 6 Dec 2023 764th HumanoidCPU 861 73 81ms 7 May 2024 767th Steffan153 🇫🇮 861 78 83ms 4 Feb 2023 768th Yewzir 🇧🇪 861 160 1,887ms 14 Nov 2025 769th GrayJoKing 🇦🇺 860 56 437ms 15 Jan 2024 769th AlephSquirrel 860 56 396ms 21 Jan 2024 769th CaedenHarper 🇨🇦 860 56 484ms 26 Jan 2026 772nd Setvizan 860 62 11ms 12 Jan 2023 772nd GreenBeansAgainstVeganism 860 62 12ms 13 Jan 2023 772nd arctouch-cristiannevianna 860 62 12ms 3 Apr 2023 772nd Corxldyphik 860 62 11ms 11 Apr 2023 772nd Blockyheadman 860 62 12ms 1 Nov 2023 772nd ollyspooner 860 62 12ms 22 Nov 2023 772nd itserasmus 860 62 11ms 25 Jan 2024 772nd Jacob385 860 62 11ms 13 Mar 2024 772nd junkondo-jp 860 62 11ms 30 Jun 2024 772nd ShiraJoseph 🇺🇸 860 62 14ms 1 Mar 2025 772nd tomh1012 860 62 12ms 3 Dec 2025 783rd yzhs 🇩🇪 860 65 20ms 16 Jun 2022 783rd rollershutter 860 65 20ms 9 Sep 2022 783rd bac0id 860 65 21ms 26 Sep 2023 783rd robin-scragg 860 65 23ms 8 Jun 2025 783rd RaBa21 🇭🇺 860 65 26ms 11 Jul 2025 783rd TransformLikeATensor 860 65 19ms 17 Oct 2025 789th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 790th rucin93 🇵🇱 859 57 144ms 4 Aug 2024 790th dokutan 859 57 135ms 9 Aug 2024 792nd dokutan 859 79 10ms 27 Apr 2024 792nd SwordF-Official 🇺🇸 859 79 10ms 22 days ago 794th MeWhenI 🇻🇦 859 81 8ms 23 May 2023 795th MeWhenI 🇻🇦 859 145 1,413ms 28 Mar 2025 796th ulucs 858 35 9ms 8 May 2022 796th bstrat 858 35 8ms 6 Jun 2024 796th wh3n3v3r 🇨🇿 858 35 8ms 18 Nov 2024 799th JRaspass 🇬🇧 858 41 339ms 4 May 2022 799th SirBogman 🇺🇸 858 41 230ms 4 May 2022 First Prev 721–800 of 3,572 Next Last