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 Bytes Chars Scoring 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 Lang Points Chars Time 101st AdrienHache C# 929 83 8 Jun 2023 101st namelessiw C# 929 83 8 Jul 2023 101st gblikas C# 929 83 23 Jul 2023 101st KrausRaus 🇺🇸 C# 929 83 31 Jul 2023 101st dokutan C# 929 83 17 Mar 2024 126th Irratix 🇳🇱 Python 928 61 7 May 2022 126th TFeld00 🇩🇰 Python 928 61 17 May 2022 126th hallvabo 🇳🇴 Python 928 61 4 Sep 2022 126th DialFrost 🇸🇬 Python 928 61 19 Dec 2022 126th anter69 🇭🇺 Python 928 61 19 Dec 2022 126th Alex-x90 🇺🇸 Python 928 61 27 Dec 2022 126th sean-niemann 🇺🇸 Python 928 61 5 Jan 2023 126th commandblockguy 🇺🇸 Python 928 61 22 Aug 2023 126th dokutan Python 928 61 8 days ago 135th canissimia 🇦🇶 Crystal 926 51 6 May 2022 135th Lydxn 🇨🇦 Crystal 926 51 6 May 2022 135th primo-ppcg 🇹🇭 Crystal 926 51 6 May 2022 138th primo-ppcg 🇹🇭 AWK 924 58 13 Nov 2022 138th clockworknazo AWK 924 58 15 Nov 2022 138th Lydxn 🇨🇦 AWK 924 58 7 Feb 2023 141st stefangimmillaro Java 924 126 4 May 2022 141st Irratix 🇳🇱 Java 924 126 4 May 2022 141st MeWhenI 🇻🇦 Java 924 126 4 May 2022 141st janbehrens 🇩🇪 Java 924 126 4 May 2022 141st shellbertt 🇨🇦 Java 924 126 4 May 2022 141st inventshah Java 924 126 4 May 2022 141st m-tkach 🇺🇦 Java 924 126 4 May 2022 141st sean-niemann 🇺🇸 Java 924 126 4 May 2022 141st nwellnhof 🇩🇪 Java 924 126 4 May 2022 141st Shanethegamer 🇺🇸 Java 924 126 4 May 2022 141st ScottHamper Java 924 126 5 May 2022 141st ovs-code 🇩🇪 Java 924 126 5 May 2022 141st 78790709 Java 924 126 4 Sep 2022 141st KrausRaus 🇺🇸 Java 924 126 9 Sep 2022 141st Betuaredead Java 924 126 5 Jan 2023 141st annaproxy Java 924 126 7 Jan 2023 141st Yewzir 🇧🇪 Java 924 126 12 Feb 2023 141st Jacob385 Java 924 126 4 Mar 2024 141st dokutan Java 924 126 17 Mar 2024 160th emplv 🇱🇻 PHP 923 60 5 May 2022 160th GrayJoKing 🇦🇺 PHP 923 60 6 May 2022 162nd Lydxn 🇨🇦 Raku 922 38 4 May 2022 162nd GrayJoKing 🇦🇺 Raku 922 38 5 May 2022 162nd Steffan153 🇫🇮 Raku 922 38 16 Dec 2022 162nd ovs-code 🇩🇪 Raku 922 38 30 Dec 2023 166th m-tkach 🇺🇦 C++ 922 91 5 May 2022 166th catfish000 C++ 922 91 4 Oct 2023 168th lynn Haskell 921 65 5 May 2022 168th GrayJoKing 🇦🇺 Haskell 921 65 5 May 2022 168th Sakisan 🇧🇪 Haskell 921 65 6 May 2022 168th xnor-gate Haskell 921 65 10 May 2022 168th JayXon 🇺🇸 Haskell 921 65 17 Oct 2022 168th Steffan153 🇫🇮 Haskell 921 65 12 Nov 2022 174th Shanethegamer 🇺🇸 PowerShell 920 51 15 May 2023 174th bitsandbeyond 🇳🇱 PowerShell 920 51 26 Dec 2023 176th ovs-code 🇩🇪 Coconut 919 52 16 Jan 2024 176th kg583 🇺🇸 Coconut 919 52 24 Jan 2024 176th Shanethegamer 🇺🇸 Coconut 919 52 24 Mar 2024 179th roavin C# 918 84 23 Jun 2022 179th tkr-sh 🇫🇷 C# 918 84 20 Aug 2022 Prev 121–180 of 2,299 Next