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 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 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 ArkScript 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 ArkScript 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 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 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 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 41ms 21 Jan 2024 718th LostSyntax21 🇬🇧 866 54 42ms 12 Mar 2025 718th AbrahamJLR 🇻🇪 866 54 40ms 4 Jun 2025 718th vishal-mohanty 866 54 40ms 25 Aug 2025 725th GolfingSuccess 🇬🇷 866 57 819ms 29 Aug 2025 726th Shanethegamer 🇺🇸 866 85 38ms 15 May 2023 726th albanian-laundromat 866 85 40ms 25 Aug 2025 728th 123mjb 866 96 356ms 20 Nov 2025 728th noescareno 866 96 406ms 21 Nov 2025 730th emgordon154 866 159 1,606ms 24 Dec 2025 730th DialFrost 🇸🇬 866 159 1,669ms 6 days ago 732nd DialFrost 🇸🇬 864 64 5ms 10 Jul 2024 733rd emplv 🇱🇻 864 110 240ms 5 May 2022 733rd Shanethegamer 🇺🇸 864 110 246ms 21 Nov 2023 733rd edsrzf 🇳🇿 864 110 262ms 28 Nov 2024 733rd targrik 864 110 261ms 30 Jun 2025 737th deadp4nda 🇩🇪 863 90 390ms 26 Apr 2024 737th 123mjb 863 90 430ms 23 Jun 2025 737th michelebastione 🇮🇹 863 90 407ms 24 Aug 2025 737th razvandmtr 🇷🇴 863 90 403ms 6 Nov 2025 741st TylerBloom 863 96 120ms 22 Mar 2024 742nd Shanethegamer 🇺🇸 863 97 127ms 15 Apr 2025 742nd GolfingSuccess 🇬🇷 863 97 104ms 28 Nov 2025 742nd DialFrost 🇸🇬 863 97 110ms 1 Dec 2025 745th shellbertt 🇨🇦 863 98 61ms 9 May 2022 745th iakolzin 863 98 60ms 26 May 2022 745th Betuaredead 863 98 61ms 5 Jan 2023 745th oceko 863 98 57ms 19 Feb 2024 745th dokutan 863 98 54ms 17 Mar 2024 745th cuzdav 863 98 57ms 4 May 2025 745th timhaj 🇸🇮 863 98 54ms 12 Sep 2025 745th Yax42 🇫🇷 863 98 60ms 4 Oct 2025 753rd Steffan153 🇫🇮 862 82 1,388ms 23 Feb 2023 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 Yewzir 🇧🇪 861 160 2,399ms 14 Nov 2025 759th GrayJoKing 🇦🇺 860 56 446ms 15 Jan 2024 759th AlephSquirrel 860 56 460ms 21 Jan 2024 761st Setvizan 860 62 11ms 12 Jan 2023 761st GreenBeansAgainstVeganism 860 62 11ms 13 Jan 2023 761st arctouch-cristiannevianna 860 62 11ms 3 Apr 2023 761st Corxldyphik 860 62 11ms 11 Apr 2023 761st Blockyheadman 860 62 12ms 1 Nov 2023 761st ollyspooner 860 62 11ms 22 Nov 2023 761st itserasmus 860 62 11ms 25 Jan 2024 761st Jacob385 860 62 10ms 13 Mar 2024 761st junkondo-jp 860 62 11ms 30 Jun 2024 761st ShiraJoseph 🇺🇸 860 62 10ms 1 Mar 2025 761st tomh1012 860 62 11ms 3 Dec 2025 772nd yzhs 🇩🇪 860 65 19ms 16 Jun 2022 772nd rollershutter 860 65 20ms 9 Sep 2022 772nd bac0id 860 65 20ms 26 Sep 2023 772nd robin-scragg 860 65 23ms 8 Jun 2025 772nd RaBa21 🇭🇺 860 65 29ms 11 Jul 2025 772nd TransformLikeATensor 860 65 20ms 17 Oct 2025 778th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 779th MeWhenI 🇻🇦 859 81 8ms 23 May 2023 780th MeWhenI 🇻🇦 859 145 1,462ms 28 Mar 2025 781st ulucs 858 35 9ms 8 May 2022 781st bstrat 858 35 9ms 6 Jun 2024 781st wh3n3v3r 🇨🇿 858 35 8ms 18 Nov 2024 784th JRaspass 🇬🇧 858 41 348ms 4 May 2022 784th SirBogman 🇺🇸 858 41 225ms 4 May 2022 784th Natanaelel 🇸🇪 858 41 326ms 4 May 2022 787th 5quiwyrm 858 52 293ms 4 Sep 2022 787th MeWhenI 🇻🇦 858 52 301ms 28 Jan 2023 787th Feniske 🇫🇷 858 52 289ms 7 Nov 2023 787th dcgjb 858 52 294ms 29 Jan 2024 787th JPRuskin 🇬🇧 858 52 294ms 7 Apr 2025 787th IISResetMe 858 52 309ms 7 Apr 2025 787th Ripick 858 52 308ms 1 Jun 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 3,513 Next Last