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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling 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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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 598th Ugoran 633 90 26ms 19 Nov 2022 598th PATTRIM 633 90 17ms 5 Jan 2023 598th charliegaming 633 90 19ms 3 Oct 2023 598th lhulinsky 633 90 24ms 22 Oct 2024 598th bthalheim 633 90 22ms 6 Dec 2024 598th SinArieh 633 90 24ms 4 May 2025 598th islptng 633 90 30ms 7 Jul 2025 598th Mr-McChicken 633 90 17ms 19 days ago 609th AbelPelser 626 91 24ms 3 Jul 2022 609th Seis 626 91 20ms 9 Dec 2022 609th r-i-c-e 626 91 19ms 9 Jul 2023 609th joshcors 626 91 17ms 30 Jun 2024 609th resoNathan 626 91 17ms 9 Jul 2024 609th jameswmccarty 626 91 22ms 24 Sep 2024 609th hamilton-bonds 626 91 18ms 12 Nov 2024 609th Wonamm 626 91 30ms 14 Feb 2025 617th TimLeffke 620 92 25ms 17 Aug 2022 617th Rythoka 620 92 16ms 17 Oct 2022 617th UriyaBA 620 92 18ms 19 Mar 2023 617th VladislavGitter 🇪🇸 620 92 19ms 14 Nov 2023 617th ridingqwerty 🇺🇸 620 92 20ms 22 Dec 2023 617th Thonoton 620 92 20ms 1 Feb 2024 617th OCNeve 620 92 24ms 17 Jun 2024 617th themoonisacheese 620 92 28ms 25 Feb 2025 617th BabySharkHi 620 92 27ms 22 Apr 2025 617th arjunarya1 620 92 17ms 28 Aug 2025 617th TJK-S 620 92 20ms 12 days ago 628th Bananapants22 613 93 27ms 4 Sep 2022 628th jaxmattfair 🇺🇸 613 93 20ms 10 Jan 2023 628th fenix-bear 613 93 20ms 18 Nov 2023 628th epic-programmer-guy 613 93 26ms 22 Dec 2023 628th brimstonetrader 613 93 24ms 18 Nov 2024 628th Aquateraneal 613 93 18ms 11 Aug 2025 634th atazzam 🇺🇸 606 94 20ms 18 May 2022 634th rohangpta 606 94 19ms 8 Aug 2022 634th shinylego 606 94 25ms 14 Sep 2022 634th sgaltair 606 94 20ms 4 Nov 2022 634th TotoAJ 606 94 19ms 15 Dec 2023 634th Gusic06 606 94 23ms 6 May 2024 634th kyleyarwood 606 94 28ms 6 Oct 2024 634th jj0786-cell 606 94 19ms 1 Apr 2025 634th griffinschreiber 606 94 20ms 1 Apr 2025 643rd felixcroc 600 95 22ms 30 Mar 2023 643rd Pyro569 600 95 23ms 4 Jul 2023 643rd rm-rf-innocence 600 95 20ms 19 Dec 2023 643rd Bit125 600 95 19ms 30 Jan 2024 643rd aalec 600 95 22ms 25 Apr 2024 643rd strogor 600 95 27ms 13 Jun 2025 643rd cthierfelder 🇲🇨 600 95 19ms 17 Jul 2025 650th karhuthebear 594 96 27ms 9 May 2022 650th qwjhvbxi 594 96 24ms 6 Feb 2024 650th alfonsoalves 594 96 19ms 21 Jul 2024 650th jeff-re 594 96 15ms 1 Apr 2025 654th a-penton 588 97 17ms 22 Sep 2022 654th jrbud 588 97 22ms 6 Jan 2024 654th befoster 588 97 23ms 22 Feb 2024 654th joshua-el-samalouti 🇩🇪 588 97 21ms 26 May 2024 654th luca1339 588 97 24ms 10 Jun 2024 659th lukemalek 582 98 15ms 10 Oct 2022 659th UltimateGuy0987 582 98 22ms 14 Oct 2022 659th TheLazySquid 582 98 20ms 20 Dec 2022 659th StronkCheese 🇺🇸 582 98 20ms 13 Mar 2023 659th Anthony-Williams-06 582 98 28ms 17 Oct 2023 659th NoneTheFewer 582 98 22ms 17 May 2024 659th abcdhhhh 582 98 15ms 27 Aug 2024 659th OSYCh314 🇦🇺 582 98 25ms 16 Nov 2024 659th cole-wilson 582 98 19ms 9 Dec 2024 659th Akilles1 582 98 21ms 15 May 2025 669th LukeRichardson-dev 576 99 17ms 12 May 2022 669th Tagfox 576 99 19ms 18 Jul 2022 669th gabrielsqw 576 99 25ms 24 Oct 2023 669th sciencedjinn 576 99 18ms 8 Nov 2024 669th MrNiknoc 576 99 20ms 15 Jun 2025 674th OppositeShark 570 100 18ms 19 Jul 2022 674th NOS4A5I 570 100 17ms 10 Jan 2023 First Prev 601–675 of 791 Next Last
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