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 brainfuck 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 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation 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 v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig All Bytes Chars Scoring All Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust 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 brainfuck 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 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation 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 v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer 🥇 💎 🥈 🥉 1st Lydxn 🇨🇦 29 (5) 4 1 2nd JayXon 🇺🇸 17 (2) 1 1 3rd GrayJoKing 🇦🇺 11 (3) 3 7 4th primo-ppcg 🇹🇭 8 (1) 2 2 5th Steffan153 🇫🇮 7 (1) 4 6 6th ovs-code 🇩🇪 7 (1) 3 4 7th MeWhenI 🇻🇦 4 (2) 5 6 8th m-tkach 🇺🇦 4 (2) 0 2 9th nwellnhof 🇩🇪 4 (0) 1 2 10th canissimia 🇦🇶 3 (2) 0 0 11th Shanethegamer 🇺🇸 3 (1) 2 7 12th btnlq 2 (1) 0 1 13th Bubbler-4 2 (0) 1 0 14th lynn 1 (1) 0 2 15th antimon2 🇯🇵 1 (1) 0 0 15th jared-hughes 1 (1) 0 0 15th marshallward 🇺🇸 1 (1) 0 0 18th emplv 🇱🇻 1 (0) 1 1 19th stefangimmillaro 1 (0) 0 3 20th annaproxy 1 (0) 0 2 20th Irratix 🇳🇱 1 (0) 0 2 22nd AlephSquirrel 1 (0) 0 1 22nd MichalMarsalek 🇨🇿 1 (0) 0 1 22nd saito-ta 🇯🇵 1 (0) 0 1 22nd SirBogman 🇺🇸 1 (0) 0 1 22nd sisyphus-ppcg 🇦🇺 1 (0) 0 1 27th clockworknazo 1 (0) 0 0 27th GolfingSuccess 🇬🇷 1 (0) 0 0 27th hexagon8899 1 (0) 0 0 27th IanUtley 1 (0) 0 0 27th Kacarott 🇦🇺 1 (0) 0 0 27th lukegustafson 🇺🇸 1 (0) 0 0 27th pavelb 1 (0) 0 0 27th prplz 🇦🇺 1 (0) 0 0 35th Yewzir 🇧🇪 0 (0) 1 3 36th angel-p57 🇯🇵 0 (0) 1 0 36th DialFrost 🇸🇬 0 (0) 1 0 36th kg583 🇺🇸 0 (0) 1 0 36th ngn 🇧🇬 0 (0) 1 0 36th rak1507 🇬🇧 0 (0) 1 0 36th rhdqor213 0 (0) 1 0 36th TheCod-r 🇦🇶 0 (0) 1 0 36th UnderKoen 🇳🇱 0 (0) 1 0 44th 78790709 0 (0) 0 2 44th Betuaredead 0 (0) 0 2 44th dokutan 0 (0) 0 2 44th janbehrens 🇩🇪 0 (0) 0 2 44th KrausRaus 🇺🇸 0 (0) 0 2 44th ScottHamper 0 (0) 0 2 44th sean-niemann 🇺🇸 0 (0) 0 2 51st Adix-null 🇱🇹 0 (0) 0 1 51st AdrienHache 0 (0) 0 1 51st andersk 🇺🇸 0 (0) 0 1 51st dvargas46 🇺🇸 0 (0) 0 1 51st FlorianCassayre 🇫🇷 0 (0) 0 1 51st Gaddy 🇫🇷 0 (0) 0 1 51st gblikas 0 (0) 0 1 51st inventshah 0 (0) 0 1 51st Jacob385 0 (0) 0 1 51st KatieLG 🇬🇧 0 (0) 0 1 1–60 of 74 Next