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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 716th Irratix 🇳🇱 870 71 2ms 13 Jun 2022 716th michael-pruglo 🇺🇦 870 71 2ms 13 Jul 2022 716th stefangimmillaro 870 71 2ms 2 Jun 2023 716th kkoenig 870 71 2ms 21 Dec 2023 716th JohandeRuiter 🇳🇱 870 71 2ms 14 Sep 2024 716th masinag 🇮🇹 870 71 2ms 6 Oct 2024 727th AlephSquirrel 870 80 12ms 20 Apr 2023 727th ashtraypettingzoo 🇺🇸 870 80 14ms 1 Apr 2024 729th CaedenHarper 🇨🇦 869 54 1,451ms 27 Sep 2025 729th sean-niemann 🇺🇸 869 54 1,442ms 27 Sep 2025 729th albanian-laundromat 869 54 959ms 14 Nov 2025 729th xsot 🇸🇬 869 54 1,025ms 15 Nov 2025 733rd Shanethegamer 🇺🇸 868 97 110ms 15 Apr 2025 733rd GolfingSuccess 🇬🇷 868 97 102ms 28 Nov 2025 733rd DialFrost 🇸🇬 868 97 117ms 1 Dec 2025 736th nwellnhof 🇩🇪 867 53 7ms 4 May 2022 736th GrayJoKing 🇦🇺 867 53 8ms 6 May 2022 738th albanian-laundromat 867 73 532ms 16 Dec 2025 739th dieggsy 867 97 28ms 8 Oct 2024 740th ovs-code 🇩🇪 867 133 42ms 8 Jul 2024 741st Andriamanitra 🇫🇮 866 54 42ms 21 Jul 2022 741st jared-hughes 866 54 39ms 12 Sep 2022 741st OhmNomNom 866 54 41ms 7 Oct 2022 741st olleicua 🇺🇸 866 54 44ms 21 Jan 2024 741st LostSyntax21 🇬🇧 866 54 41ms 12 Mar 2025 741st AbrahamJLR 🇻🇪 866 54 40ms 4 Jun 2025 741st vishal-mohanty 866 54 39ms 25 Aug 2025 748th Shanethegamer 🇺🇸 866 85 38ms 15 May 2023 748th albanian-laundromat 866 85 40ms 25 Aug 2025 750th 123mjb 866 96 366ms 20 Nov 2025 750th noescareno 866 96 366ms 21 Nov 2025 752nd emgordon154 866 159 1,606ms 24 Dec 2025 752nd DialFrost 🇸🇬 866 159 1,779ms 17 Jan 2026 754th DialFrost 🇸🇬 865 64 5ms 10 Jul 2024 755th shellbertt 🇨🇦 864 98 60ms 9 May 2022 755th iakolzin 864 98 61ms 26 May 2022 755th Betuaredead 864 98 60ms 5 Jan 2023 755th oceko 864 98 62ms 19 Feb 2024 755th cuzdav 864 98 61ms 4 May 2025 755th timhaj 🇸🇮 864 98 62ms 12 Sep 2025 755th Yax42 🇫🇷 864 98 61ms 4 Oct 2025 762nd emplv 🇱🇻 864 110 294ms 5 May 2022 762nd Shanethegamer 🇺🇸 864 110 293ms 21 Nov 2023 762nd edsrzf 🇳🇿 864 110 267ms 28 Nov 2024 762nd targrik 864 110 282ms 30 Jun 2025 766th deadp4nda 🇩🇪 863 90 374ms 26 Apr 2024 766th 123mjb 863 90 367ms 23 Jun 2025 766th michelebastione 🇮🇹 863 90 400ms 24 Aug 2025 766th razvandmtr 🇷🇴 863 90 395ms 6 Nov 2025 770th TylerBloom 863 96 125ms 22 Mar 2024 771st Steffan153 🇫🇮 862 82 1,323ms 23 Feb 2023 772nd GrayJoKing 🇦🇺 861 56 437ms 15 Jan 2024 772nd AlephSquirrel 861 56 396ms 21 Jan 2024 772nd CaedenHarper 🇨🇦 861 56 484ms 26 Jan 2026 775th steffan-polygolf 861 73 88ms 23 Feb 2023 775th MWI-polygolf 861 73 84ms 6 Dec 2023 775th HumanoidCPU 861 73 82ms 7 May 2024 778th Yewzir 🇧🇪 861 160 1,887ms 14 Nov 2025 779th Setvizan 860 62 12ms 12 Jan 2023 779th GreenBeansAgainstVeganism 860 62 16ms 13 Jan 2023 779th arctouch-cristiannevianna 860 62 11ms 3 Apr 2023 779th Corxldyphik 860 62 10ms 11 Apr 2023 779th Blockyheadman 860 62 9ms 1 Nov 2023 779th ollyspooner 860 62 10ms 22 Nov 2023 779th itserasmus 860 62 11ms 25 Jan 2024 779th Jacob385 860 62 10ms 13 Mar 2024 779th junkondo-jp 860 62 11ms 30 Jun 2024 779th ShiraJoseph 🇺🇸 860 62 15ms 1 Mar 2025 779th tomh1012 860 62 12ms 3 Dec 2025 790th yzhs 🇩🇪 860 65 20ms 16 Jun 2022 790th rollershutter 860 65 20ms 9 Sep 2022 790th bac0id 860 65 21ms 26 Sep 2023 790th robin-scragg 860 65 23ms 8 Jun 2025 790th RaBa21 🇭🇺 860 65 26ms 11 Jul 2025 790th TransformLikeATensor 860 65 19ms 17 Oct 2025 796th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 797th ulucs 859 35 9ms 8 May 2022 797th bstrat 859 35 8ms 6 Jun 2024 797th wh3n3v3r 🇨🇿 859 35 8ms 18 Nov 2024 800th rucin93 🇵🇱 859 57 150ms 4 Aug 2024 First Prev 721–800 of 3,616 Next Last