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 Topological Sort 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 436th nyoshe 713 80 10 Oct 2023 436th AzroyAr 713 80 28 Dec 2023 436th Alex-Huggett 🇬🇧 713 80 13 Apr 2024 436th RobertHoeh 713 80 27 May 2024 436th LorenzoDeGaspari 713 80 27 May 2024 436th AstroOrbis 713 80 7 May 2025 436th vgamula 🇺🇦 713 80 83 mins ago 458th abba23 704 81 26 May 2022 458th docd 704 81 8 Aug 2022 458th Smetalo 704 81 25 Aug 2022 458th glesnick 704 81 6 Sep 2022 458th Yareeeema 704 81 3 Nov 2022 458th RandGuy 704 81 23 Nov 2022 458th GWStuart 704 81 19 Dec 2022 458th wa1ker38552 704 81 22 May 2023 458th LimaoC 704 81 11 Aug 2023 458th robertovers 704 81 2 Oct 2023 458th HanaEndUser 704 81 15 Feb 2024 458th Loag 704 81 22 Sep 2024 458th julian-hoelz 704 81 23 Sep 2024 458th JesseNoEyes 🇺🇸 704 81 4 Oct 2024 458th GoldStar184 704 81 27 Nov 2024 458th ihatethefrench 704 81 5 Jan 2025 474th Ailko 🇧🇪 695 82 12 May 2022 474th joshmoody24 695 82 12 May 2022 474th andrewgopher 695 82 25 Jun 2022 474th estomagordo 🇳🇱 695 82 26 Oct 2022 474th ThatAlo 695 82 14 Nov 2022 474th twocatsinatrenchcoat 695 82 29 Nov 2022 474th aid-f 695 82 21 Mar 2023 474th nooby31415 695 82 3 Nov 2023 474th henrydukepickle 695 82 8 Dec 2023 474th amollberg 🇸🇪 695 82 3 Jan 2024 474th mrmena 🇦🇺 695 82 19 Mar 2024 474th rifatx 695 82 16 Jul 2024 474th NicoH76 695 82 24 Apr 2025 474th 0dyse 695 82 29 Apr 2025 474th some-function 695 82 14 days ago 489th bonevbs 687 83 8 May 2022 489th feherd 687 83 20 May 2022 489th pbleich 687 83 24 Aug 2022 489th RoscoeSmith 687 83 20 Nov 2022 489th amadeusdotpng 687 83 22 Apr 2023 489th ross-i 687 83 5 Jul 2023 489th anonymaew 687 83 2 Aug 2023 489th mstang107 687 83 20 Dec 2023 489th LHLaurini 🇧🇷 687 83 26 Jun 2024 489th C0derX3 🇺🇸 687 83 18 Sep 2024 489th ComputerKWasTaken 🇺🇸 687 83 20 Jan 2025 489th Vexxter9 🇳🇱 687 83 4 Feb 2025 489th CodyKlingler 687 83 7 Feb 2025 489th OyuDays 687 83 17 Mar 2025 489th julianreece 687 83 29 Apr 2025 504th Feniske 🇫🇷 679 84 7 Oct 2022 504th Eilonlif 🇮🇱 679 84 29 Mar 2023 504th mhsaul 679 84 11 Apr 2023 504th Phyisis 679 84 30 Apr 2024 504th MaxCastella 🇫🇷 679 84 11 Oct 2024 504th SURAJMITTAL 679 84 17 Dec 2024 504th simplylu 679 84 5 Jan 2025 504th WillowWispy 679 84 14 Mar 2025 504th rustykitty 679 84 2 May 2025 504th VedJosh 679 84 3 May 2025 504th hetz2625 679 84 4 May 2025 515th aazuspan 671 85 15 Jun 2022 515th myleopard 671 85 20 Jul 2022 515th LukasFolwarczny 🇨🇿 671 85 16 Sep 2022 515th aaardwark 671 85 1 Jun 2025 519th MichaelMBradley 🇨🇦 663 86 5 Jun 2022 519th Lemonz-13223 663 86 21 Sep 2022 519th Bodo171 663 86 24 Nov 2022 519th shibacho 🇯🇵 663 86 25 Nov 2022 519th Vaekor 663 86 9 Jul 2023 519th LeoVanderSteege 663 86 18 Nov 2023 519th Pale-Vessel 663 86 18 Dec 2023 Prev 451–525 of 747 Next