Collatz in Perl in bytes. 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle 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 Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle # Golfer Points Bytes Time 1st primo-ppcg 🇹🇭 1,000 49 5 May 2022 1st Lydxn 🇨🇦 1,000 49 8 May 2022 3rd sisyphus-ppcg 🇦🇺 980 50 31 Jan 2023 3rd saito-ta 🇯🇵 980 50 11 days ago 5th Steffan153 🇫🇮 942 52 31 Dec 2022 6th nwellnhof 🇩🇪 925 53 4 May 2022 6th GrayJoKing 🇦🇺 925 53 6 May 2022 8th o0lit3 🇺🇸 907 54 22 Jun 2023 9th scpchicken 🇵🇼 891 55 4 May 2022 9th Natanaelel 🇸🇪 891 55 4 May 2022 9th SirBogman 🇺🇸 891 55 5 May 2022 9th Shanethegamer 🇺🇸 891 55 19 May 2023 13th JRaspass 🇬🇧 875 56 4 May 2022 13th ChiefChippy2 875 56 4 May 2022 15th KrausRaus 🇺🇸 845 58 8 Sep 2022 16th janbehrens 🇩🇪 803 61 17 May 2023 16th kusune 🇯🇵 803 61 24 Sep 2023 16th kjetillll 🇮🇩 803 61 1 Nov 2023 19th nephila-nacrea 🇬🇧 790 62 10 Jun 2022 19th AlephSquirrel 790 62 10 Dec 2022 19th MeWhenI 🇻🇦 790 62 15 Apr 2023 22nd kurkale6ka 710 69 20 Dec 2023 23rd dokutan 662 74 11 Oct 2024 24th snoozingnewt 🇺🇸 653 75 10 Sep 2023 25th madeforlosers 563 87 21 Nov 2024 26th msbranicky 516 95 23 Sep 2023 27th KatieLG 🇬🇧 15 3,230 4 May 2022 27th retrohun 15 3,230 27 Dec 2022 27th HumanoidCPU 15 3,230 3 May 2024 27th Mabeloid 🇳🇴 15 3,230 17 Sep 2024 31st KatieLG-Transpiler 🇬🇧 15 3,232 2 Jan 2023 1–31 of 31