Collatz in all languages. 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 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 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 All Bytes Chars Scoring All 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 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 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 # Golfer 🥇 💎 🥈 🥉 1st Lydxn 🇨🇦 49 (6) 8 7 2nd JayXon 🇺🇸 38 (5) 1 0 3rd GrayJoKing 🇦🇺 23 (3) 5 10 4th Steffan153 🇫🇮 20 (2) 7 7 5th ovs-code 🇩🇪 19 (6) 5 7 6th primo-ppcg 🇹🇭 16 (3) 3 2 7th sean-niemann 🇺🇸 16 (0) 5 6 8th MeWhenI 🇻🇦 14 (2) 2 11 9th m-tkach 🇺🇦 10 (4) 0 2 10th DialFrost 🇸🇬 9 (2) 1 7 11th Shanethegamer 🇺🇸 9 (0) 5 7 12th pardouin 🇫🇷 8 (0) 1 0 13th canissimia 🇦🇶 6 (4) 0 0 14th GolfingSuccess 🇬🇷 6 (0) 0 0 15th nwellnhof 🇩🇪 5 (0) 3 2 16th kg583 🇺🇸 5 (0) 1 0 17th lynn 4 (2) 0 4 18th rucin93 🇵🇱 4 (0) 1 0 19th emgordon154 4 (0) 0 4 20th xsot 🇸🇬 4 (0) 0 0 21st lukegustafson 🇺🇸 3 (0) 1 0 22nd saito-ta 🇯🇵 3 (0) 0 5 23rd Bubbler-4 3 (0) 0 2 24th AlephSquirrel 3 (0) 0 1 25th Kacarott 🇦🇺 3 (0) 0 0 26th antimon2 🇯🇵 2 (2) 0 0 26th jared-hughes 2 (2) 0 0 26th marshallward 🇺🇸 2 (2) 0 0 29th khvdm 2 (1) 0 0 30th edsrzf 🇳🇿 2 (0) 2 2 30th emplv 🇱🇻 2 (0) 2 2 32nd targrik 2 (0) 2 0 33rd sisyphus-ppcg 🇦🇺 2 (0) 1 2 34th stefangimmillaro 2 (0) 0 8 35th annaproxy 2 (0) 0 2 35th btnlq 2 (0) 0 2 35th CLOStrophobic 🇮🇹 2 (0) 0 2 35th dokutan 2 (0) 0 2 35th Irratix 🇳🇱 2 (0) 0 2 35th MichalMarsalek 🇨🇿 2 (0) 0 2 35th mousetail 🇳🇱 2 (0) 0 2 42nd clockworknazo 2 (0) 0 1 43rd corbob 🇨🇦 2 (0) 0 0 43rd DelaneyJM 2 (0) 0 0 43rd IanUtley 2 (0) 0 0 43rd jborean93 2 (0) 0 0 43rd KevinMarquette 🇺🇸 2 (0) 0 0 43rd Liniarc 2 (0) 0 0 43rd namelessiw 2 (0) 0 0 43rd pavelb 2 (0) 0 0 43rd prplz 🇦🇺 2 (0) 0 0 43rd rhdqor213 2 (0) 0 0 43rd Salutations45 2 (0) 0 0 43rd snyderek 🇺🇸 2 (0) 0 0 43rd trinityy-7 2 (0) 0 0 43rd vlpx 🇫🇮 2 (0) 0 0 43rd weeble 2 (0) 0 0 58th AdrienHache 🇫🇷 1 (0) 0 0 58th lyphyser 1 (0) 0 0 58th Rubiksmath 1 (0) 0 0 61st Yewzir 0 (0) 2 2 62nd 2bular 0 (0) 2 0 62nd angel-p57 🇯🇵 0 (0) 2 0 62nd Frowny 0 (0) 2 0 62nd stackofbears 0 (0) 2 0 62nd TheCod-r 🇦🇶 0 (0) 2 0 62nd UnderKoen 🇳🇱 0 (0) 2 0 62nd xnor-gate 0 (0) 2 0 69th pabloferz 0 (0) 1 1 70th 5quiwyrm 0 (0) 0 2 70th acotis 0 (0) 0 2 70th andersk 🇺🇸 0 (0) 0 2 70th Betuaredead 0 (0) 0 2 70th dvargas46 🇺🇸 0 (0) 0 2 70th eMGeeneer 0 (0) 0 2 1–75 of 94 Next