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 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 Star Wars GPT 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 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 Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 1st khvdm 1,000 57 15 Sep 2024 2nd Lydxn 🇨🇦 983 58 4 May 2022 2nd JayXon 🇺🇸 983 58 7 Mar 2023 4th GrayJoKing 🇦🇺 966 59 15 Nov 2022 5th ovs-code 🇩🇪 950 60 4 May 2022 5th m-tkach 🇺🇦 950 60 4 May 2022 5th btnlq 950 60 5 May 2022 5th orthoplex 🇨🇽 950 60 9 Oct 2022 5th FlorianCassayre 🇫🇷 950 60 7 Nov 2022 5th SirBogman 🇺🇸 950 60 20 Nov 2022 5th QuincyNash 🇺🇸 950 60 1 Dec 2022 5th Steffan153 🇫🇮 950 60 19 Dec 2022 5th SirFireball3521 950 60 26 Jan 2023 5th Shanethegamer 🇺🇸 950 60 25 May 2023 5th CornerMercury 🇬🇧 950 60 19 Jun 2023 5th ndren 950 60 2 Aug 2023 5th kg583 🇺🇸 950 60 14 Aug 2023 5th Just4FunCoder 950 60 17 Feb 2024 5th HumanoidCPU 950 60 6 May 2024 5th sean-niemann 🇺🇸 950 60 10 Jul 2024 5th pardouin 🇫🇷 950 60 11 Jul 2024 5th dokutan 950 60 15 Aug 2024 5th jatloe 950 60 26 Aug 2024 5th emgordon154 950 60 6 Sep 2024 5th starfihs 950 60 12 Oct 2024 5th CaedenHarper 🇨🇦 950 60 3 Nov 2024 5th 5quiwyrm 950 60 12 Nov 2024 5th plcc0 950 60 26 days ago 5th yujh-yujh 🇬🇸 950 60 24 days ago 5th albanian-laundromat 950 60 8 days ago 5th Mukundan314 950 60 4 days ago 32nd Irratix 🇳🇱 934 61 7 May 2022 32nd TFeld00 🇩🇰 934 61 17 May 2022 32nd hallvabo 🇳🇴 934 61 4 Sep 2022 32nd DialFrost 🇸🇬 934 61 19 Dec 2022 32nd anter69 🇭🇺 934 61 19 Dec 2022 32nd Alex-x90 🇺🇸 934 61 27 Dec 2022 32nd commandblockguy 🇺🇸 934 61 22 Aug 2023 32nd fgrosshans 🇫🇷 934 61 22 Jul 2024 32nd duckyluuk 🇳🇱 934 61 15 Aug 2024 41st shellbertt 🇨🇦 919 62 4 May 2022 41st ZakkkkAttackkkk 🇵🇭 919 62 5 May 2022 41st annaproxy 919 62 8 Jun 2022 41st bob-th 919 62 9 Jul 2022 41st btjones0 919 62 15 Jul 2022 41st tri1212 🇻🇳 919 62 18 Jul 2022 41st fredrik-bakke 🇳🇴 919 62 5 Oct 2022 41st jakobkordez 🇸🇮 919 62 19 Oct 2022 41st Fishron 919 62 29 Nov 2022 41st KatieLG 🇬🇧 919 62 11 Dec 2022 41st ItsMeNoobieboy 919 62 20 Dec 2022 41st firegene 🇮🇪 919 62 3 Jan 2023 41st packkill 919 62 13 Feb 2023 41st 2011-Chan-Ethan 919 62 9 Jul 2023 41st elgan65536 919 62 18 Nov 2023 41st Dataen 919 62 16 Jan 2024 41st Yewzir 🇧🇪 919 62 5 Apr 2024 41st cuboids 919 62 11 Jul 2024 41st wuzekai518 919 62 26 Jul 2024 41st abhishekg999 919 62 17 Sep 2024 41st lifthrasiir 🇰🇷 919 62 16 Nov 2024 41st Artemis21 🇬🇧 919 62 17 Jan 2025 41st lolgeny 919 62 22 Feb 2025 64th P-Quentin 🇫🇷 905 63 3 Aug 2022 64th kaptsanovb 905 63 20 Apr 2023 64th fkantelberg 905 63 14 Jul 2023 64th snoozingnewt 🇺🇸 905 63 10 Sep 2023 64th keelimeguy 🇺🇸 905 63 6 Nov 2023 64th VictorStenvers 🇳🇱 905 63 13 Nov 2023 64th 1231234md5 🇨🇳 905 63 14 Dec 2023 64th f-tucker 905 63 6 Feb 2024 64th JunkIce 905 63 24 Nov 2024 64th Kowalskiexe 🇵🇱 905 63 43 hours ago 74th NerdyMcNerd42 891 64 26 Oct 2022 74th tpasfieldERAU 891 64 14 Nov 2022 1–75 of 678 Next