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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th Steffan153 🇫🇮 919 67 19 Aug 2024 226th JayXon 🇺🇸 919 67 19 Aug 2024 228th sisyphus-ppcg 🇦🇺 918 50 31 Jan 2023 228th saito-ta 🇯🇵 918 50 12 Dec 2024 230th Lydxn 🇨🇦 918 90 6 May 2022 231st Lydxn 🇨🇦 918 107 6 May 2022 231st JayXon 🇺🇸 918 107 9 May 2022 233rd primo-ppcg 🇹🇭 917 24 10 Dec 2022 234th uiamn 917 58 6 Sep 2022 234th 5quiwyrm 917 58 29 Sep 2022 234th alasdair-greenland 917 58 13 Jan 2023 237th Herbert00709 🇵🇱 916 92 17 Nov 2023 237th 4QT0R 916 92 23 Nov 2023 237th ovs-code 🇩🇪 916 92 3 Jun 2024 240th Irratix 🇳🇱 915 61 7 May 2022 240th TFeld00 🇩🇰 915 61 17 May 2022 240th hallvabo 🇳🇴 915 61 4 Sep 2022 240th DialFrost 🇸🇬 915 61 19 Dec 2022 240th anter69 🇭🇺 915 61 19 Dec 2022 240th Alex-x90 🇺🇸 915 61 27 Dec 2022 240th commandblockguy 🇺🇸 915 61 22 Aug 2023 240th fgrosshans 🇫🇷 915 61 22 Jul 2024 240th duckyluuk 🇳🇱 915 61 15 Aug 2024 249th nwellnhof 🇩🇪 914 51 4 May 2022 249th primo-ppcg 🇹🇭 914 51 6 May 2022 249th radarek 🇵🇱 914 51 8 May 2022 249th janlelis 914 51 10 May 2022 249th Natanaelel 🇸🇪 914 51 2 Jun 2022 249th sean-niemann 🇺🇸 914 51 7 Mar 2025 255th btnlq 914 59 6 Nov 2022 256th ovs-code 🇩🇪 914 67 13 Dec 2022 256th Steffan153 🇫🇮 914 67 18 Dec 2022 256th Lydxn 🇨🇦 914 67 4 Feb 2023 256th sean-niemann 🇺🇸 914 67 7 Mar 2025 256th DialFrost 🇸🇬 914 67 17 Mar 2025 261st xnor-gate 913 63 20 Jan 2025 262nd JayXon 🇺🇸 913 69 5 Apr 2023 262nd Lydxn 🇨🇦 913 69 9 Apr 2023 264th tomtheisen 🇺🇸 913 85 20 days ago 265th bac0id 913 128 29 Jun 2024 266th Steffan153 🇫🇮 912 76 15 May 2023 266th primo-ppcg 🇹🇭 912 76 15 May 2023 266th Lydxn 🇨🇦 912 76 22 May 2023 266th GrayJoKing 🇦🇺 912 76 24 Aug 2023 270th MichalMarsalek 🇨🇿 911 71 5 May 2022 270th Lydxn 🇨🇦 911 71 7 May 2022 270th GrayJoKing 🇦🇺 911 71 8 May 2022 270th JayXon 🇺🇸 911 71 8 May 2022 270th Steffan153 🇫🇮 911 71 9 Mar 2023 270th Shanethegamer 🇺🇸 911 71 15 May 2023 270th MeWhenI 🇻🇦 911 71 8 Aug 2023 270th sean-niemann 🇺🇸 911 71 9 Jan 2025 278th primo-ppcg 🇹🇭 910 61 6 May 2022 278th sisyphus-ppcg 🇦🇺 910 61 14 Jul 2022 280th Steffan153 🇫🇮 910 71 10 Dec 2022 281st Bubbler-4 909 33 6 May 2022 281st rak1507 🇬🇧 909 33 8 May 2022 281st ngn 🇧🇬 909 33 11 May 2022 284th sean-niemann 🇺🇸 909 108 25 May 2024 285th Lydxn 🇨🇦 908 47 5 May 2022 286th Steffan153 🇫🇮 908 71 14 Oct 2022 286th Shanethegamer 🇺🇸 908 71 15 Oct 2022 286th stefangimmillaro 908 71 16 Oct 2022 286th MeWhenI 🇻🇦 908 71 16 Oct 2022 290th annaproxy 908 78 13 Jan 2023 290th IanUtley 908 78 12 Nov 2023 290th GrayJoKing 🇦🇺 908 78 28 Nov 2023 293rd Shanethegamer 🇺🇸 908 86 15 May 2023 293rd JayXon 🇺🇸 908 86 15 May 2023 293rd Steffan153 🇫🇮 908 86 16 May 2023 293rd Lydxn 🇨🇦 908 86 16 May 2023 293rd GrayJoKing 🇦🇺 908 86 11 Aug 2023 293rd sean-niemann 🇺🇸 908 86 11 Jul 2024 299th andersk 🇺🇸 908 91 25 Oct 2022 299th Super-Pizza 🇨🇦 908 91 4 Dec 2022 Prev 226–300 of 2,982 Next