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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula 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 Knight 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 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 Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 356th chartung17 750 76 17 Dec 2023 356th smokestacklightnin 🇺🇸 750 76 10 Jan 2024 356th NickTheEASDude 🇺🇸 750 76 26 Jan 2024 356th yuchuehw 750 76 2 Feb 2024 356th Azearia 750 76 26 Feb 2024 356th khavik 750 76 29 May 2024 356th Ythaenagor 750 76 5 Aug 2024 356th martion2007 750 76 9 Aug 2024 356th sjrct 750 76 10 Aug 2024 356th Mathrew2012 750 76 9 Nov 2024 356th kawrei 750 76 4 May 2025 387th cooljoseph1 740 77 6 May 2022 387th krcs 🇵🇱 740 77 11 May 2022 387th kenballus 740 77 13 Jul 2022 387th 104210 740 77 29 Jul 2022 387th andre-de-lorde 740 77 1 Sep 2022 387th zstephe 740 77 2 Dec 2022 387th badboj40 740 77 27 Dec 2022 387th henrytranter 740 77 11 Jan 2023 387th DragonaireM 740 77 6 Feb 2023 387th Ty-Cyr 740 77 14 Jul 2023 387th camieac 🇬🇧 740 77 14 Jul 2023 387th MisterrLuck 740 77 7 Sep 2023 387th alexjurkiewicz 🇦🇺 740 77 7 Nov 2023 387th askipio 740 77 22 Nov 2023 387th enbyte 740 77 9 Dec 2023 387th trinityy-7 740 77 17 Dec 2023 387th PyryL 🇫🇮 740 77 23 Aug 2024 387th CyberTapir 740 77 27 Aug 2024 387th Emutis 🇱🇹 740 77 9 Oct 2024 387th junten1 740 77 20 Oct 2024 387th croc54 740 77 24 Dec 2024 387th za3k 740 77 3 Jun 2025 387th 1024An 🇮🇳 740 77 29 Jun 2025 410th AGoyet 731 78 29 Jul 2022 410th RYNO8 731 78 16 Aug 2022 410th TheCod-r 🇦🇶 731 78 28 Sep 2022 410th Marthe-CC 731 78 9 Oct 2022 410th Wildst 731 78 2 Nov 2022 410th nmgetahun 731 78 4 Dec 2022 410th Techdude01 731 78 13 Dec 2022 410th tvcv901 731 78 22 Mar 2023 410th oceko 731 78 24 Mar 2023 410th yoyoyonono 731 78 15 May 2023 410th Nic0M 731 78 13 Aug 2023 410th ssbhatt4321 731 78 14 Oct 2023 410th wyarde 731 78 7 Nov 2023 410th EthanJ-Brady 731 78 24 Dec 2023 410th adamreidsmith 731 78 16 Feb 2024 410th DGipe 731 78 13 May 2024 410th cyxv 731 78 2 Aug 2024 410th Europe2048 731 78 24 Nov 2024 410th GeneralFabian 731 78 14 Dec 2024 429th kevdah 722 79 27 May 2022 429th jacklynnepenick 722 79 22 Jun 2022 429th james-downey 722 79 9 Jul 2022 429th andre-lameirinhas 🇵🇹 722 79 26 Jul 2022 429th hamsterskywalker 722 79 7 Sep 2022 429th Pena86 722 79 14 Sep 2022 429th hymanimy 722 79 24 Nov 2022 429th Demonarchet 722 79 18 Apr 2023 429th dtaylor0 722 79 23 May 2023 429th neonchickens 722 79 6 Oct 2023 429th MWI-polygolf 722 79 6 Dec 2023 429th eddvrs 722 79 22 Dec 2023 429th tknight00 722 79 7 Mar 2024 429th thienudomsrirungruang 722 79 3 May 2024 429th IsaacAlexBarden 722 79 6 Feb 2025 429th taesungh 722 79 7 Jun 2025 429th benvreeves 722 79 27 days ago 429th saturzay 722 79 36 hours ago 447th j-Ewan 713 80 13 May 2022 447th osmith93 713 80 14 Jun 2022 447th hjcafaroUC 713 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