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 ><> 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 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 ><> 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 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 720th GrayJoKing 🇦🇺 867 53 7ms 6 May 2022 722nd albanian-laundromat 867 73 557ms 16 Dec 2025 723rd dieggsy 867 97 28ms 8 Oct 2024 724th ovs-code 🇩🇪 867 133 42ms 8 Jul 2024 725th Andriamanitra 🇫🇮 866 54 41ms 21 Jul 2022 725th jared-hughes 866 54 37ms 12 Sep 2022 725th OhmNomNom 866 54 37ms 7 Oct 2022 725th olleicua 🇺🇸 866 54 41ms 21 Jan 2024 725th LostSyntax21 🇬🇧 866 54 42ms 12 Mar 2025 725th AbrahamJLR 🇻🇪 866 54 40ms 4 Jun 2025 725th vishal-mohanty 866 54 40ms 25 Aug 2025 732nd GolfingSuccess 🇬🇷 866 57 1,160ms 29 Aug 2025 733rd Shanethegamer 🇺🇸 866 85 38ms 15 May 2023 733rd albanian-laundromat 866 85 40ms 25 Aug 2025 735th 123mjb 866 96 366ms 20 Nov 2025 735th noescareno 866 96 366ms 21 Nov 2025 737th emgordon154 866 159 1,606ms 24 Dec 2025 737th DialFrost 🇸🇬 866 159 1,669ms 24 days ago 739th DialFrost 🇸🇬 865 64 5ms 10 Jul 2024 740th shellbertt 🇨🇦 864 98 61ms 9 May 2022 740th iakolzin 864 98 60ms 26 May 2022 740th Betuaredead 864 98 61ms 5 Jan 2023 740th oceko 864 98 57ms 19 Feb 2024 740th cuzdav 864 98 57ms 4 May 2025 740th timhaj 🇸🇮 864 98 54ms 12 Sep 2025 740th Yax42 🇫🇷 864 98 60ms 4 Oct 2025 747th emplv 🇱🇻 864 110 279ms 5 May 2022 747th Shanethegamer 🇺🇸 864 110 307ms 21 Nov 2023 747th edsrzf 🇳🇿 864 110 292ms 28 Nov 2024 747th targrik 864 110 271ms 30 Jun 2025 751st deadp4nda 🇩🇪 863 90 390ms 26 Apr 2024 751st 123mjb 863 90 430ms 23 Jun 2025 751st michelebastione 🇮🇹 863 90 407ms 24 Aug 2025 751st razvandmtr 🇷🇴 863 90 403ms 6 Nov 2025 755th TylerBloom 863 96 120ms 22 Mar 2024 756th Shanethegamer 🇺🇸 863 97 127ms 15 Apr 2025 756th GolfingSuccess 🇬🇷 863 97 104ms 28 Nov 2025 756th DialFrost 🇸🇬 863 97 110ms 1 Dec 2025 759th Steffan153 🇫🇮 862 82 1,388ms 23 Feb 2023 760th steffan-polygolf 861 73 87ms 23 Feb 2023 760th MWI-polygolf 861 73 83ms 6 Dec 2023 760th HumanoidCPU 861 73 81ms 7 May 2024 763rd Steffan153 🇫🇮 861 78 83ms 4 Feb 2023 764th Yewzir 🇧🇪 861 160 2,399ms 14 Nov 2025 765th GrayJoKing 🇦🇺 860 56 463ms 15 Jan 2024 765th AlephSquirrel 860 56 431ms 21 Jan 2024 765th CaedenHarper 🇨🇦 860 56 484ms 15 days ago 768th Setvizan 860 62 10ms 12 Jan 2023 768th GreenBeansAgainstVeganism 860 62 10ms 13 Jan 2023 768th arctouch-cristiannevianna 860 62 12ms 3 Apr 2023 768th Corxldyphik 860 62 11ms 11 Apr 2023 768th Blockyheadman 860 62 11ms 1 Nov 2023 768th ollyspooner 860 62 9ms 22 Nov 2023 768th itserasmus 860 62 11ms 25 Jan 2024 768th Jacob385 860 62 11ms 13 Mar 2024 768th junkondo-jp 860 62 10ms 30 Jun 2024 768th ShiraJoseph 🇺🇸 860 62 12ms 1 Mar 2025 768th tomh1012 860 62 10ms 3 Dec 2025 779th yzhs 🇩🇪 860 65 20ms 16 Jun 2022 779th rollershutter 860 65 20ms 9 Sep 2022 779th bac0id 860 65 21ms 26 Sep 2023 779th robin-scragg 860 65 23ms 8 Jun 2025 779th RaBa21 🇭🇺 860 65 26ms 11 Jul 2025 779th TransformLikeATensor 860 65 19ms 17 Oct 2025 785th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 786th MeWhenI 🇻🇦 859 81 8ms 23 May 2023 787th MeWhenI 🇻🇦 859 145 1,432ms 28 Mar 2025 788th ulucs 858 35 9ms 8 May 2022 788th bstrat 858 35 9ms 6 Jun 2024 788th wh3n3v3r 🇨🇿 858 35 8ms 18 Nov 2024 791st JRaspass 🇬🇧 858 41 339ms 4 May 2022 791st SirBogman 🇺🇸 858 41 230ms 4 May 2022 791st Natanaelel 🇸🇪 858 41 311ms 4 May 2022 794th 5quiwyrm 858 52 293ms 4 Sep 2022 794th MeWhenI 🇻🇦 858 52 301ms 28 Jan 2023 794th Feniske 🇫🇷 858 52 289ms 7 Nov 2023 794th dcgjb 858 52 294ms 29 Jan 2024 794th JPRuskin 🇬🇧 858 52 294ms 7 Apr 2025 794th IISResetMe 858 52 309ms 7 Apr 2025 794th Ripick 858 52 308ms 1 Jun 2025 First Prev 721–800 of 3,549 Next Last