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 Hilbert Curve 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 Mandelbrot 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Hilbert Curve 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 Mandelbrot 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 441st MWI-polygolf 722 79 6 Dec 2023 441st eddvrs 722 79 22 Dec 2023 441st tknight00 722 79 7 Mar 2024 441st thienudomsrirungruang 722 79 3 May 2024 441st IsaacAlexBarden 722 79 6 Feb 2025 441st taesungh 722 79 7 Jun 2025 441st benvreeves 722 79 25 Jul 2025 441st saturzay 722 79 19 Aug 2025 459th j-Ewan 713 80 13 May 2022 459th osmith93 713 80 14 Jun 2022 459th hjcafaroUC 713 80 21 Jun 2022 459th dankleeman 713 80 8 Aug 2022 459th dillon-duncando 713 80 4 Oct 2022 459th DrPiranoid 713 80 11 Nov 2022 459th mdnestor 713 80 23 Dec 2022 459th Edjyzod 713 80 7 Mar 2023 459th henry-von-wichert 713 80 31 Mar 2023 459th Hortaros 713 80 16 Apr 2023 459th ankeetparikh 713 80 5 May 2023 459th Neonader 713 80 9 May 2023 459th nickgza 713 80 17 Aug 2023 459th MiranDaniel 🇨🇿 713 80 30 Aug 2023 459th Fanrco 713 80 31 Aug 2023 459th nyoshe 713 80 10 Oct 2023 459th AzroyAr 713 80 28 Dec 2023 459th Alex-Huggett 🇬🇧 713 80 13 Apr 2024 459th RobertHoeh 713 80 27 May 2024 459th LorenzoDeGaspari 713 80 27 May 2024 459th AstroOrbis 713 80 7 May 2025 459th vgamula 🇺🇦 713 80 16 Jul 2025 459th imoxyg 713 80 29 Aug 2025 482nd abba23 704 81 26 May 2022 482nd docd 704 81 8 Aug 2022 482nd Smetalo 704 81 25 Aug 2022 482nd glesnick 704 81 6 Sep 2022 482nd Yareeeema 704 81 3 Nov 2022 482nd RandGuy 704 81 23 Nov 2022 482nd GWStuart 704 81 19 Dec 2022 482nd wa1ker38552 704 81 22 May 2023 482nd LimaoC 704 81 11 Aug 2023 482nd robertovers 704 81 2 Oct 2023 482nd HanaEndUser 704 81 15 Feb 2024 482nd Loag 704 81 22 Sep 2024 482nd julian-hoelz 704 81 23 Sep 2024 482nd JesseNoEyes 🇺🇸 704 81 4 Oct 2024 482nd GoldStar184 704 81 27 Nov 2024 482nd ihatethefrench 704 81 5 Jan 2025 482nd csharpython 704 81 2 Aug 2025 499th Ailko 🇧🇪 695 82 12 May 2022 499th joshmoody24 695 82 12 May 2022 499th andrewgopher 695 82 25 Jun 2022 499th estomagordo 🇳🇱 695 82 26 Oct 2022 499th ThatAlo 695 82 14 Nov 2022 499th twocatsinatrenchcoat 695 82 29 Nov 2022 499th aid-f 695 82 21 Mar 2023 499th nooby31415 695 82 3 Nov 2023 499th henrydukepickle 695 82 8 Dec 2023 499th amollberg 🇸🇪 695 82 3 Jan 2024 499th mrmena 🇦🇺 695 82 19 Mar 2024 499th rifatx 695 82 16 Jul 2024 499th NicoH76 695 82 24 Apr 2025 499th 0dyse 695 82 29 Apr 2025 499th some-function 695 82 2 Jul 2025 514th bonevbs 687 83 8 May 2022 514th feherd 687 83 20 May 2022 514th pbleich 687 83 24 Aug 2022 514th RoscoeSmith 687 83 20 Nov 2022 514th amadeusdotpng 687 83 22 Apr 2023 514th ross-i 687 83 5 Jul 2023 514th anonymaew 687 83 2 Aug 2023 514th mstang107 687 83 20 Dec 2023 514th LHLaurini 🇧🇷 687 83 26 Jun 2024 514th C0derX3 🇺🇸 687 83 18 Sep 2024 514th ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 514th Vexxter9 🇳🇱 687 83 4 Feb 2025 First Prev 451–525 of 785 Next Last