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 518th hippopotam00sehead 🇨🇦 648 88 11 Sep 2024 518th 08jne01 648 88 21 Nov 2024 528th lovernj 640 89 23 Aug 2022 528th Roj 640 89 20 Nov 2022 528th aeonsablaze 640 89 22 Nov 2022 528th buddyw 640 89 9 Mar 2023 528th VV1Git 640 89 28 Mar 2023 528th dranjohn 640 89 17 Sep 2023 528th ArenaGrenade 640 89 19 Feb 2024 528th NanduBC 640 89 6 Sep 2024 528th TheAtrossian 640 89 5 Jan 2025 528th KimJua41 640 89 10 hours ago 538th StoverGitHub 633 90 16 Jun 2022 538th jamespeilunli 633 90 4 Jul 2022 538th TrentGlimp 633 90 3 Sep 2022 538th Ugoran 633 90 19 Nov 2022 538th PATTRIM 633 90 5 Jan 2023 538th charliegaming 633 90 3 Oct 2023 538th lhulinsky 633 90 22 Oct 2024 538th bthalheim 633 90 6 Dec 2024 538th SinArieh 633 90 9 hours ago 547th AbelPelser 626 91 3 Jul 2022 547th Seis 626 91 9 Dec 2022 547th r-i-c-e 626 91 9 Jul 2023 547th joshcors 626 91 30 Jun 2024 547th resoNathan 626 91 9 Jul 2024 547th jameswmccarty 626 91 24 Sep 2024 547th hamilton-bonds 626 91 12 Nov 2024 547th Wonamm 626 91 14 Feb 2025 555th TimLeffke 620 92 17 Aug 2022 555th Rythoka 620 92 17 Oct 2022 555th UriyaBA 620 92 19 Mar 2023 555th VladislavGitter 🇪🇸 620 92 14 Nov 2023 555th ridingqwerty 🇺🇸 620 92 22 Dec 2023 555th Thonoton 620 92 1 Feb 2024 555th OCNeve 620 92 17 Jun 2024 555th themoonisacheese 620 92 25 Feb 2025 555th BabySharkHi 620 92 11 days ago 564th Bananapants22 613 93 4 Sep 2022 564th jaxmattfair 🇺🇸 613 93 10 Jan 2023 564th fenix-bear 613 93 18 Nov 2023 564th epic-programmer-guy 613 93 22 Dec 2023 564th brimstonetrader 613 93 18 Nov 2024 569th atazzam 🇺🇸 606 94 18 May 2022 569th rohangpta 606 94 8 Aug 2022 569th shinylego 606 94 14 Sep 2022 569th sgaltair 606 94 4 Nov 2022 569th TotoAJ 606 94 15 Dec 2023 569th Gusic06 606 94 6 May 2024 569th kyleyarwood 606 94 6 Oct 2024 569th jj0786-cell 606 94 1 Apr 2025 569th griffinschreiber 606 94 1 Apr 2025 578th felixcroc 600 95 30 Mar 2023 578th Pyro569 600 95 4 Jul 2023 578th rm-rf-innocence 600 95 19 Dec 2023 578th Bit125 600 95 30 Jan 2024 578th aalec 600 95 25 Apr 2024 583rd karhuthebear 594 96 9 May 2022 583rd qwjhvbxi 594 96 6 Feb 2024 583rd alfonsoalves 594 96 21 Jul 2024 583rd jeff-re 594 96 1 Apr 2025 587th a-penton 588 97 22 Sep 2022 587th jrbud 588 97 6 Jan 2024 587th befoster 588 97 22 Feb 2024 587th joshua-el-samalouti 🇩🇪 588 97 26 May 2024 587th luca1339 588 97 10 Jun 2024 592nd lukemalek 582 98 10 Oct 2022 592nd UltimateGuy0987 582 98 14 Oct 2022 592nd TheLazySquid 582 98 20 Dec 2022 592nd StronkCheese 🇺🇸 582 98 13 Mar 2023 592nd Anthony-Williams-06 582 98 17 Oct 2023 592nd NoneTheFewer 582 98 17 May 2024 592nd abcdhhhh 582 98 27 Aug 2024 592nd OSYCh314 🇦🇺 582 98 16 Nov 2024 592nd cole-wilson 582 98 9 Dec 2024 Prev 526–600 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