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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 433rd RobertHoeh 713 80 27 May 2024 433rd LorenzoDeGaspari 713 80 27 May 2024 433rd AstroOrbis 713 80 7 May 2025 454th abba23 704 81 26 May 2022 454th docd 704 81 8 Aug 2022 454th Smetalo 704 81 25 Aug 2022 454th glesnick 704 81 6 Sep 2022 454th Yareeeema 704 81 3 Nov 2022 454th RandGuy 704 81 23 Nov 2022 454th GWStuart 704 81 19 Dec 2022 454th wa1ker38552 704 81 22 May 2023 454th LimaoC 704 81 11 Aug 2023 454th robertovers 704 81 2 Oct 2023 454th RaBa21 704 81 12 Nov 2023 454th HanaEndUser 704 81 15 Feb 2024 454th Loag 704 81 22 Sep 2024 454th julian-hoelz 704 81 23 Sep 2024 454th JesseNoEyes 🇺🇸 704 81 4 Oct 2024 454th GoldStar184 704 81 27 Nov 2024 454th ihatethefrench 704 81 5 Jan 2025 471st Ailko 🇧🇪 695 82 12 May 2022 471st joshmoody24 695 82 12 May 2022 471st andrewgopher 695 82 25 Jun 2022 471st estomagordo 🇳🇱 695 82 26 Oct 2022 471st ThatAlo 695 82 14 Nov 2022 471st twocatsinatrenchcoat 695 82 29 Nov 2022 471st aid-f 695 82 21 Mar 2023 471st nooby31415 695 82 3 Nov 2023 471st henrydukepickle 695 82 8 Dec 2023 471st amollberg 🇸🇪 695 82 3 Jan 2024 471st mrmena 🇦🇺 695 82 19 Mar 2024 471st rifatx 695 82 16 Jul 2024 471st NicoH76 695 82 24 Apr 2025 471st 0dyse 695 82 29 Apr 2025 485th bonevbs 687 83 8 May 2022 485th feherd 687 83 20 May 2022 485th pbleich 687 83 24 Aug 2022 485th RoscoeSmith 687 83 20 Nov 2022 485th amadeusdotpng 687 83 22 Apr 2023 485th ross-i 687 83 5 Jul 2023 485th anonymaew 687 83 2 Aug 2023 485th mstang107 687 83 20 Dec 2023 485th LHLaurini 🇧🇷 687 83 26 Jun 2024 485th C0derX3 🇺🇸 687 83 18 Sep 2024 485th ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 485th Vexxter9 🇳🇱 687 83 4 Feb 2025 485th CodyKlingler 687 83 7 Feb 2025 485th OyuDays 687 83 17 Mar 2025 485th julianreece 687 83 29 Apr 2025 500th Feniske 🇫🇷 679 84 7 Oct 2022 500th Eilonlif 🇮🇱 679 84 29 Mar 2023 500th mhsaul 679 84 11 Apr 2023 500th Phyisis 679 84 30 Apr 2024 500th MaxCastella 🇫🇷 679 84 11 Oct 2024 500th SURAJMITTAL 679 84 17 Dec 2024 500th simplylu 679 84 5 Jan 2025 500th WillowWispy 679 84 14 Mar 2025 500th rustykitty 679 84 2 May 2025 500th VedJosh 679 84 3 May 2025 500th hetz2625 679 84 4 May 2025 511th aazuspan 671 85 15 Jun 2022 511th myleopard 671 85 20 Jul 2022 511th LukasFolwarczny 🇨🇿 671 85 16 Sep 2022 511th aaardwark 671 85 1 Jun 2025 515th MichaelMBradley 🇨🇦 663 86 5 Jun 2022 515th Lemonz-13223 663 86 21 Sep 2022 515th Bodo171 663 86 24 Nov 2022 515th shibacho 🇯🇵 663 86 25 Nov 2022 515th Vaekor 663 86 9 Jul 2023 515th LeoVanderSteege 663 86 18 Nov 2023 515th Pale-Vessel 663 86 18 Dec 2023 515th tik25 663 86 28 Mar 2024 515th willschremmer 663 86 27 Apr 2024 515th jamiloBBKing 663 86 27 Jan 2025 515th AsishKunta 663 86 1 Apr 2025 Prev 451–525 of 741 Next