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 447th ThatAlo 695 82 14 Nov 2022 447th twocatsinatrenchcoat 695 82 29 Nov 2022 447th aid-f 695 82 21 Mar 2023 447th nooby31415 695 82 3 Nov 2023 447th henrydukepickle 695 82 8 Dec 2023 447th amollberg 🇸🇪 695 82 3 Jan 2024 447th mrmena 🇦🇺 695 82 19 Mar 2024 447th rifatx 695 82 16 Jul 2024 447th AstroOrbis 695 82 16 days ago 447th NicoH76 695 82 6 days ago 447th 0dyse 695 82 31 hours ago 462nd bonevbs 687 83 8 May 2022 462nd feherd 687 83 20 May 2022 462nd pbleich 687 83 24 Aug 2022 462nd RoscoeSmith 687 83 20 Nov 2022 462nd amadeusdotpng 687 83 22 Apr 2023 462nd ross-i 687 83 5 Jul 2023 462nd anonymaew 687 83 2 Aug 2023 462nd mstang107 687 83 20 Dec 2023 462nd LHLaurini 🇧🇷 687 83 26 Jun 2024 462nd C0derX3 🇺🇸 687 83 18 Sep 2024 462nd ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 462nd Vexxter9 🇳🇱 687 83 4 Feb 2025 462nd CodyKlingler 687 83 7 Feb 2025 462nd OyuDays 687 83 17 Mar 2025 462nd julianreece 687 83 2 days ago 477th Feniske 🇫🇷 679 84 7 Oct 2022 477th Eilonlif 🇮🇱 679 84 29 Mar 2023 477th mhsaul 679 84 11 Apr 2023 477th Phyisis 679 84 30 Apr 2024 477th MaxCastella 🇫🇷 679 84 11 Oct 2024 477th SURAJMITTAL 679 84 17 Dec 2024 477th simplylu 679 84 5 Jan 2025 477th WillowWispy 679 84 14 Mar 2025 485th aazuspan 671 85 15 Jun 2022 485th myleopard 671 85 20 Jul 2022 485th LukasFolwarczny 🇨🇿 671 85 16 Sep 2022 488th MichaelMBradley 🇨🇦 663 86 5 Jun 2022 488th Lemonz-13223 663 86 21 Sep 2022 488th za3k 663 86 11 Oct 2022 488th Bodo171 663 86 24 Nov 2022 488th shibacho 🇯🇵 663 86 25 Nov 2022 488th Vaekor 663 86 9 Jul 2023 488th LeoVanderSteege 663 86 18 Nov 2023 488th Pale-Vessel 663 86 18 Dec 2023 488th tik25 663 86 28 Mar 2024 488th willschremmer 663 86 27 Apr 2024 488th jamiloBBKing 663 86 27 Jan 2025 488th AsishKunta 663 86 1 Apr 2025 488th Hemanthred2005 663 86 1 Apr 2025 488th Voltrifrodec 🇸🇰 663 86 11 days ago 488th lurey99 663 86 8 days ago 503rd ToE42 655 87 19 Oct 2022 503rd omri2001 655 87 19 Oct 2022 503rd Skallos-s 655 87 5 Dec 2022 503rd PotatoSaladOverlord 655 87 15 Mar 2023 503rd damoc1es 655 87 16 Apr 2023 503rd michelebastione 🇮🇹 655 87 20 Dec 2023 503rd clampcorder 655 87 24 Jan 2024 503rd GitQuick 655 87 23 Feb 2024 503rd EricSchraf 655 87 21 Mar 2024 512th Andre3582 648 88 29 Oct 2022 512th Darknova2468 648 88 20 Nov 2022 512th Solsticely 648 88 20 Nov 2022 512th goGuru 648 88 21 Dec 2022 512th msbranicky 648 88 9 Aug 2023 512th gussy420 648 88 28 Oct 2023 512th Shynif 648 88 21 Feb 2024 512th somehybrid 648 88 24 Aug 2024 512th hippopotam00sehead 🇨🇦 648 88 11 Sep 2024 512th 08jne01 648 88 21 Nov 2024 512th rustykitty 648 88 23 Mar 2025 523rd lovernj 640 89 23 Aug 2022 523rd Roj 640 89 20 Nov 2022 523rd aeonsablaze 640 89 22 Nov 2022 Prev 451–525 of 691 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