Collatz in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 598th Heathcorp 🇦🇺 873 61 17 Jul 2022 598th C0de5mith 🇺🇸 873 61 3 Aug 2022 598th sebipopa 🇷🇴 873 61 18 Aug 2022 598th moikaturns 🇬🇧 873 61 25 Sep 2022 598th FlorianCassayre 🇫🇷 873 61 27 Sep 2022 598th Mazn3k 873 61 1 Feb 2023 598th tvcv901 873 61 22 Mar 2023 598th unfinishedprogram 873 61 19 Jul 2023 598th snoozingnewt 🇺🇸 873 61 23 Sep 2023 598th funnyboy-roks 873 61 9 May 2024 598th bac0id 873 61 29 Jun 2024 598th madex 🇩🇪 873 61 9 Jul 2024 598th cdesodt 873 61 10 Oct 2024 598th RobertHoeh 873 61 5 Apr 2025 598th kirjavascript 873 61 4 May 2025 598th LvLError 873 61 27 days ago 598th Lv0Sys 🇵🇱 873 61 26 days ago 598th Protothor 873 61 25 days ago 619th ovs-code 🇩🇪 873 73 22 Jul 2023 620th Grrisly 873 74 25 Mar 2024 621st NerdyMcNerd42 872 64 26 Oct 2022 621st tpasfieldERAU 872 64 14 Nov 2022 621st CheeseCake628 🇳🇴 872 64 6 Jan 2023 621st adamnielson42 🇺🇸 872 64 25 Apr 2023 621st nathsou 🇫🇷 872 64 2 Sep 2023 621st zwxzwxzwx21 872 64 30 Jan 2024 621st steffan-polygolf 872 64 8 Mar 2024 621st Jacob385 872 64 4 Apr 2024 621st gallium-gonzollium 872 64 26 Aug 2024 630th GrayJoKing 🇦🇺 872 84 19 Jun 2022 630th primo-ppcg 🇹🇭 872 84 29 Jun 2022 632nd althryenix 872 134 25 Jul 2022 632nd MrGagnonHPS 872 134 1 Nov 2023 632nd noescareno 872 134 25 days ago 632nd Schmitt-Very-Cool 872 134 9 days ago 636th Shanethegamer 🇺🇸 872 152 9 Sep 2023 636th emgordon154 872 152 2 Oct 2024 636th DialFrost 🇸🇬 872 152 27 Oct 2024 639th HPWiz 🇳🇿 871 49 4 May 2022 639th JayXon 🇺🇸 871 49 5 May 2022 639th Steffan153 🇫🇮 871 49 10 Dec 2022 639th ovs-code 🇩🇪 871 49 24 Oct 2023 639th sean-niemann 🇺🇸 871 49 12 Jul 2024 644th Shanethegamer 🇺🇸 871 66 4 May 2022 644th scpchicken 🇵🇼 871 66 5 May 2022 644th sisyphus-ppcg 🇦🇺 871 66 6 May 2022 644th Natanaelel 🇸🇪 871 66 15 Jun 2022 644th Z-snails 871 66 27 Feb 2023 644th Jeremy-Stafford 871 66 27 Feb 2023 644th alomiF 871 66 1 Sep 2023 644th btnlq 871 66 17 Oct 2023 652nd c0d3-4-F00d 🇩🇪 871 89 5 May 2022 652nd fkantelberg 871 89 15 Jul 2023 652nd bac0id 871 89 26 Sep 2023 652nd TRexOnGit 871 89 16 Feb 2024 652nd arcpolaris 871 89 18 Nov 2024 657th dokutan 870 62 28 Apr 2025 658th johnnythedoggie 870 72 13 May 2022 659th DialFrost 🇸🇬 870 73 22 days ago 660th inventshah 870 97 6 May 2022 660th roupiq 🇵🇱 870 97 22 Nov 2023 662nd MeWhenI 🇻🇦 870 207 21 Apr 2025 663rd janbehrens 🇩🇪 869 90 21 Apr 2023 663rd Yewzir 🇧🇪 869 90 22 Apr 2023 663rd DialFrost 🇸🇬 869 90 6 Nov 2023 663rd Ripick 869 90 27 Nov 2024 667th GolfingSuccess 🇬🇷 868 71 5 May 2022 667th emplv 🇱🇻 868 71 5 May 2022 667th JayXon 🇺🇸 868 71 7 May 2022 667th m-tkach 🇺🇦 868 71 15 May 2022 667th nwellnhof 🇩🇪 868 71 5 Jun 2022 667th Irratix 🇳🇱 868 71 13 Jun 2022 667th michael-pruglo 🇺🇦 868 71 13 Jul 2022 667th stefangimmillaro 868 71 2 Jun 2023 667th kkoenig 868 71 21 Dec 2023 Prev 601–675 of 3,132 Next