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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input 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 718th olleicua 🇺🇸 866 54 53ms 21 Jan 2024 718th LostSyntax21 🇬🇧 866 54 63ms 12 Mar 2025 718th AbrahamJLR 🇻🇪 866 54 58ms 4 Jun 2025 718th vishal-mohanty 866 54 37ms 25 Aug 2025 725th GolfingSuccess 🇬🇷 866 57 819ms 29 Aug 2025 726th MeWhenI 🇻🇦 866 85 41ms 27 Jun 2022 726th Shanethegamer 🇺🇸 866 85 38ms 15 May 2023 726th albanian-laundromat 866 85 40ms 25 Aug 2025 729th 123mjb 866 96 356ms 20 Nov 2025 729th noescareno 866 96 406ms 26 days ago 731st DialFrost 🇸🇬 864 64 5ms 10 Jul 2024 732nd emplv 🇱🇻 864 110 296ms 5 May 2022 732nd Shanethegamer 🇺🇸 864 110 261ms 21 Nov 2023 732nd edsrzf 🇳🇿 864 110 258ms 28 Nov 2024 732nd targrik 864 110 267ms 30 Jun 2025 736th mtirado1 863 75 7ms 13 Aug 2022 737th TylerBloom 863 96 115ms 22 Mar 2024 738th Shanethegamer 🇺🇸 863 97 100ms 15 Apr 2025 738th GolfingSuccess 🇬🇷 863 97 111ms 20 days ago 738th DialFrost 🇸🇬 863 97 94ms 16 days ago 741st shellbertt 🇨🇦 863 98 66ms 9 May 2022 741st iakolzin 863 98 85ms 26 May 2022 741st Betuaredead 863 98 78ms 5 Jan 2023 741st oceko 863 98 73ms 19 Feb 2024 741st dokutan 863 98 81ms 17 Mar 2024 741st cuzdav 863 98 62ms 4 May 2025 741st timhaj 🇸🇮 863 98 82ms 12 Sep 2025 741st Yax42 🇫🇷 863 98 75ms 4 Oct 2025 749th Steffan153 🇫🇮 862 82 1,287ms 23 Feb 2023 750th deadp4nda 🇩🇪 862 90 372ms 26 Apr 2024 750th 123mjb 862 90 352ms 23 Jun 2025 750th michelebastione 🇮🇹 862 90 384ms 24 Aug 2025 750th razvandmtr 🇷🇴 862 90 385ms 6 Nov 2025 754th steffan-polygolf 861 73 87ms 23 Feb 2023 754th MWI-polygolf 861 73 83ms 6 Dec 2023 754th HumanoidCPU 861 73 81ms 7 May 2024 757th Steffan153 🇫🇮 861 78 80ms 4 Feb 2023 758th GrayJoKing 🇦🇺 860 56 411ms 15 Jan 2024 758th AlephSquirrel 860 56 426ms 21 Jan 2024 760th Setvizan 860 62 10ms 12 Jan 2023 760th GreenBeansAgainstVeganism 860 62 10ms 13 Jan 2023 760th arctouch-cristiannevianna 860 62 10ms 3 Apr 2023 760th Corxldyphik 860 62 10ms 11 Apr 2023 760th Blockyheadman 860 62 10ms 1 Nov 2023 760th ollyspooner 860 62 10ms 22 Nov 2023 760th itserasmus 860 62 10ms 25 Jan 2024 760th Jacob385 860 62 10ms 13 Mar 2024 760th junkondo-jp 860 62 11ms 30 Jun 2024 760th ShiraJoseph 🇺🇸 860 62 9ms 1 Mar 2025 760th tomh1012 860 62 9ms 15 days ago 771st yzhs 🇩🇪 860 65 19ms 16 Jun 2022 771st rollershutter 860 65 20ms 9 Sep 2022 771st bac0id 860 65 20ms 26 Sep 2023 771st robin-scragg 860 65 23ms 8 Jun 2025 771st RaBa21 🇭🇺 860 65 29ms 11 Jul 2025 771st TransformLikeATensor 860 65 20ms 17 Oct 2025 777th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 778th MeWhenI 🇻🇦 859 81 8ms 23 May 2023 779th MeWhenI 🇻🇦 859 145 526ms 28 Mar 2025 780th ulucs 858 35 9ms 8 May 2022 780th bstrat 858 35 9ms 6 Jun 2024 780th wh3n3v3r 🇨🇿 858 35 8ms 18 Nov 2024 783rd JRaspass 🇬🇧 858 41 358ms 4 May 2022 783rd SirBogman 🇺🇸 858 41 300ms 4 May 2022 783rd Natanaelel 🇸🇪 858 41 365ms 4 May 2022 786th 5quiwyrm 858 52 300ms 4 Sep 2022 786th MeWhenI 🇻🇦 858 52 280ms 28 Jan 2023 786th Feniske 🇫🇷 858 52 280ms 7 Nov 2023 786th dcgjb 858 52 297ms 29 Jan 2024 786th JPRuskin 🇬🇧 858 52 313ms 7 Apr 2025 786th IISResetMe 858 52 267ms 7 Apr 2025 786th Ripick 858 52 266ms 1 Jun 2025 793rd Yewzir 🇧🇪 858 160 2,399ms 14 Nov 2025 794th jared-hughes 857 72 2ms 6 Jul 2022 794th Steffan153 🇫🇮 857 72 2ms 3 Jan 2023 794th MeWhenI 🇻🇦 857 72 3ms 7 May 2023 794th ListeriaM 857 72 2ms 22 Aug 2023 794th larcherMTT 857 72 2ms 5 Oct 2024 794th snyderek 🇺🇸 857 72 3ms 19 Feb 2025 794th 5quiwyrm 857 72 2ms 29 Jun 2025 First Prev 721–800 of 3,501 Next Last