Collatz in Python 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 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 358th Emutis 🇱🇹 740 77 9 Oct 2024 358th junten1 740 77 20 Oct 2024 358th croc54 740 77 24 Dec 2024 379th AGoyet 731 78 29 Jul 2022 379th RYNO8 731 78 16 Aug 2022 379th TheCod-r 🇦🇶 731 78 28 Sep 2022 379th Marthe-CC 731 78 9 Oct 2022 379th Wildst 731 78 2 Nov 2022 379th nmgetahun 731 78 4 Dec 2022 379th Techdude01 731 78 13 Dec 2022 379th tvcv901 731 78 22 Mar 2023 379th oceko 731 78 24 Mar 2023 379th yoyoyonono 731 78 15 May 2023 379th Nic0M 731 78 13 Aug 2023 379th ssbhatt4321 731 78 14 Oct 2023 379th wyarde 731 78 7 Nov 2023 379th EthanJ-Brady 731 78 24 Dec 2023 379th adamreidsmith 731 78 16 Feb 2024 379th DGipe 731 78 13 May 2024 379th cyxv 731 78 2 Aug 2024 379th Europe2048 731 78 24 Nov 2024 379th GeneralFabian 731 78 14 Dec 2024 398th kevdah 722 79 27 May 2022 398th jacklynnepenick 722 79 22 Jun 2022 398th james-downey 722 79 9 Jul 2022 398th andre-lameirinhas 🇵🇹 722 79 26 Jul 2022 398th hamsterskywalker 722 79 7 Sep 2022 398th Pena86 722 79 14 Sep 2022 398th hymanimy 722 79 24 Nov 2022 398th Demonarchet 722 79 18 Apr 2023 398th dtaylor0 722 79 23 May 2023 398th neonchickens 722 79 6 Oct 2023 398th MWI-polygolf 722 79 6 Dec 2023 398th eddvrs 722 79 22 Dec 2023 398th tknight00 722 79 7 Mar 2024 398th thienudomsrirungruang 722 79 3 May 2024 398th IsaacAlexBarden 722 79 6 Feb 2025 413th j-Ewan 713 80 13 May 2022 413th osmith93 713 80 14 Jun 2022 413th hjcafaroUC 713 80 21 Jun 2022 413th dankleeman 713 80 8 Aug 2022 413th dillon-duncando 713 80 4 Oct 2022 413th DrPiranoid 713 80 11 Nov 2022 413th mdnestor 713 80 23 Dec 2022 413th Edjyzod 713 80 7 Mar 2023 413th henry-von-wichert 713 80 31 Mar 2023 413th Hortaros 713 80 16 Apr 2023 413th ankeetparikh 713 80 5 May 2023 413th Neonader 713 80 9 May 2023 413th nickgza 713 80 17 Aug 2023 413th MiranDaniel 🇨🇿 713 80 30 Aug 2023 413th Fanrco 713 80 31 Aug 2023 413th nyoshe 713 80 10 Oct 2023 413th taesungh 713 80 15 Oct 2023 413th AzroyAr 713 80 28 Dec 2023 413th Alex-Huggett 🇬🇧 713 80 13 Apr 2024 413th RobertHoeh 713 80 27 May 2024 413th LorenzoDeGaspari 713 80 27 May 2024 434th abba23 704 81 26 May 2022 434th docd 704 81 8 Aug 2022 434th Smetalo 704 81 25 Aug 2022 434th glesnick 704 81 6 Sep 2022 434th Yareeeema 704 81 3 Nov 2022 434th RandGuy 704 81 23 Nov 2022 434th GWStuart 704 81 19 Dec 2022 434th wa1ker38552 704 81 22 May 2023 434th LimaoC 704 81 11 Aug 2023 434th robertovers 704 81 2 Oct 2023 434th RaBa21 704 81 12 Nov 2023 434th HanaEndUser 704 81 15 Feb 2024 434th Loag 704 81 22 Sep 2024 434th julian-hoelz 704 81 23 Sep 2024 434th JesseNoEyes 🇺🇸 704 81 4 Oct 2024 434th GoldStar184 704 81 27 Nov 2024 434th ihatethefrench 704 81 5 Jan 2025 Prev 376–450 of 717 Next