Collatz in all languages 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 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 Bytes Time 374th alasdair-greenland 922 58 13 Jan 2023 377th btnlq 922 59 6 Nov 2022 378th Lydxn 🇨🇦 922 90 6 May 2022 379th Lydxn 🇨🇦 922 108 6 May 2022 379th JayXon 🇺🇸 922 108 9 May 2022 381st nwellnhof 🇩🇪 921 51 4 May 2022 381st primo-ppcg 🇹🇭 921 51 6 May 2022 381st radarek 🇵🇱 921 51 8 May 2022 381st janlelis 921 51 10 May 2022 381st Natanaelel 🇸🇪 921 51 2 Jun 2022 386th Herbert00709 🇵🇱 920 92 17 Nov 2023 386th 4QT0R 920 92 23 Nov 2023 386th ovs-code 🇩🇪 920 92 3 Jun 2024 389th xnor-gate 919 63 20 Jan 2025 390th MichalMarsalek 🇨🇿 919 71 5 May 2022 390th Lydxn 🇨🇦 919 71 7 May 2022 390th GrayJoKing 🇦🇺 919 71 8 May 2022 390th JayXon 🇺🇸 919 71 8 May 2022 390th Steffan153 🇫🇮 919 71 9 Mar 2023 390th Shanethegamer 🇺🇸 919 71 15 May 2023 390th MeWhenI 🇻🇦 919 71 8 Aug 2023 390th sean-niemann 🇺🇸 919 71 9 Jan 2025 398th Steffan153 🇫🇮 919 76 15 May 2023 398th primo-ppcg 🇹🇭 919 76 15 May 2023 398th Lydxn 🇨🇦 919 76 22 May 2023 398th GrayJoKing 🇦🇺 919 76 24 Aug 2023 402nd primo-ppcg 🇹🇭 917 61 6 May 2022 402nd sisyphus-ppcg 🇦🇺 917 61 14 Jul 2022 404th Lydxn 🇨🇦 915 70 7 May 2022 404th JayXon 🇺🇸 915 70 7 May 2022 406th Steffan153 🇫🇮 915 71 14 Oct 2022 406th Shanethegamer 🇺🇸 915 71 15 Oct 2022 406th stefangimmillaro 915 71 16 Oct 2022 406th MeWhenI 🇻🇦 915 71 16 Oct 2022 406th Steffan153 🇫🇮 915 71 10 Dec 2022 411th annaproxy 915 79 24 Aug 2022 411th GrayJoKing 🇦🇺 915 79 28 Aug 2022 411th IanUtley 915 79 3 Nov 2023 411th Kacarott 🇦🇺 915 79 13 Jun 2024 415th arctouch-cristiannevianna 915 85 3 Apr 2023 415th tomtheisen 🇺🇸 915 85 10 Apr 2025 417th Natanaelel 🇸🇪 914 57 17 Jan 2024 417th Kacarott 🇦🇺 914 57 10 Sep 2024 419th JayXon 🇺🇸 914 79 5 Apr 2023 419th Lydxn 🇨🇦 914 79 9 Apr 2023 421st Shanethegamer 🇺🇸 914 87 15 May 2023 421st JayXon 🇺🇸 914 87 15 May 2023 421st Steffan153 🇫🇮 914 87 16 May 2023 421st Lydxn 🇨🇦 914 87 16 May 2023 421st GrayJoKing 🇦🇺 914 87 11 Aug 2023 421st sean-niemann 🇺🇸 914 87 11 Jul 2024 427th Shanethegamer 🇺🇸 913 61 9 Oct 2023 428th pardouin 🇫🇷 913 72 21 May 2025 429th ovs-code 🇩🇪 913 75 12 Sep 2024 429th Kacarott 🇦🇺 913 75 13 Sep 2024 431st sean-niemann 🇺🇸 913 109 25 May 2024 431st CaedenHarper 🇨🇦 913 109 28 Jan 2025 433rd AdamHe17 912 73 31 May 2022 433rd AliceFord 912 73 2 Jun 2022 433rd Natanaelel 🇸🇪 912 73 16 Jun 2022 433rd btjones0 912 73 21 Jun 2022 433rd marcin7Cd 912 73 27 Jun 2022 433rd tri1212 🇻🇳 912 73 18 Jul 2022 433rd vhoulbreque 🇫🇷 912 73 18 Aug 2022 433rd KatieLG 🇬🇧 912 73 29 Aug 2022 433rd tkr-sh 🇫🇷 912 73 8 Sep 2022 433rd jroscoe5 912 73 15 Sep 2022 433rd fredrik-bakke 🇳🇴 912 73 18 Sep 2022 433rd firegene 🇮🇪 912 73 27 Sep 2022 433rd OhmNomNom 912 73 7 Oct 2022 433rd 0-4849 912 73 1 Nov 2022 433rd M0PKOBKA 912 73 19 Dec 2022 433rd calumacutt 912 73 19 Dec 2022 433rd thehylian 912 73 2 Jan 2023 433rd fynnkroeger 912 73 6 Jan 2023 Prev 376–450 of 3,131 Next
