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 Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number 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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 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 73rd snoozingnewt 🇺🇸 905 63 35ms 10 Sep 2023 73rd VictorStenvers 🇳🇱 905 63 22ms 13 Nov 2023 73rd 1231234md5 🇨🇳 905 63 21ms 14 Dec 2023 73rd f-tucker 905 63 22ms 6 Feb 2024 73rd JunkIce 905 63 22ms 24 Nov 2024 73rd Kowalskiexe 🇵🇱 905 63 21ms 19 Apr 2025 73rd 123mjb 905 63 22ms 2 Jun 2025 73rd DrakeSeteraO 905 63 51ms 24 Oct 2025 84th NerdyMcNerd42 891 64 19ms 26 Oct 2022 84th tpasfieldERAU 891 64 23ms 14 Nov 2022 84th CheeseCake628 🇳🇴 891 64 23ms 6 Jan 2023 84th adamnielson42 🇺🇸 891 64 23ms 25 Apr 2023 84th nathsou 🇫🇷 891 64 19ms 2 Sep 2023 84th zwxzwxzwx21 891 64 23ms 30 Jan 2024 84th steffan-polygolf 891 64 26ms 8 Mar 2024 84th Jacob385 891 64 57ms 4 Apr 2024 84th gallium-gonzollium 891 64 25ms 26 Aug 2024 93rd yzhs 🇩🇪 877 65 20ms 16 Jun 2022 93rd rollershutter 877 65 25ms 9 Sep 2022 93rd bac0id 877 65 19ms 26 Sep 2023 93rd mossiegoat 877 65 22ms 8 Jun 2025 93rd RaBa21 🇭🇺 877 65 39ms 11 Jul 2025 93rd TransformLikeATensor 877 65 20ms 17 Oct 2025 99th moustave 851 67 22ms 7 Nov 2024 100th Bubbler-4 838 68 16ms 15 Nov 2022 100th neel11235813 838 68 24ms 31 Dec 2022 100th Rubiksmath 838 68 15ms 14 Aug 2023 100th SB-945 838 68 24ms 7 Feb 2024 104th nwellnhof 🇩🇪 826 69 22ms 4 May 2022 104th GolfingSuccess 🇬🇷 826 69 16ms 5 May 2022 104th jared-hughes 826 69 34ms 5 May 2022 104th sisyphus-ppcg 🇦🇺 826 69 15ms 6 May 2022 104th lynn 826 69 17ms 22 Aug 2022 104th AlexanderFair 826 69 24ms 19 Jul 2023 104th AlephSquirrel 826 69 14ms 30 Dec 2023 104th davecame 826 69 25ms 20 Aug 2024 104th salvatore-abello 826 69 20ms 5 Sep 2024 104th zacjl 826 69 17ms 19 Sep 2024 104th kops-cg 826 69 22ms 9 Feb 2025 104th 4atj 826 69 3,399ms 30 Jun 2025 104th dirckvdende 826 69 16ms 11 Jul 2025 104th xnor-gate 826 69 26ms 19 Aug 2025 104th BrunoVisnadi 🇧🇷 826 69 16ms 1 Oct 2025 104th bizy-coder 826 69 16ms 29 hours ago 120th MichalMarsalek 🇨🇿 814 70 18ms 5 May 2022 120th primo-ppcg 🇹🇭 814 70 23ms 5 May 2022 120th prplz 🇦🇺 814 70 18ms 5 May 2022 120th rak1507 🇬🇧 814 70 20ms 7 May 2022 120th inventshah 814 70 16ms 9 May 2022 120th k3w1k0d3r 814 70 19ms 22 Jun 2022 120th Bonjour27891 🇻🇳 814 70 19ms 14 Jul 2022 120th OllieBoyne 🇬🇧 814 70 19ms 19 Jul 2022 120th bricknellj 814 70 17ms 25 Jul 2022 120th wen1now 814 70 21ms 8 Aug 2022 120th 051 🇸🇬 814 70 23ms 8 Aug 2022 120th Sp3000 🇦🇺 814 70 25ms 8 Aug 2022 120th betaveros 814 70 18ms 9 Aug 2022 120th shelerr 814 70 20ms 9 Sep 2022 120th stewSquared 🇺🇸 814 70 30ms 27 Sep 2022 120th myfatemi04 814 70 18ms 4 Nov 2022 120th kevinmchung 814 70 19ms 4 Nov 2022 120th fourth-bit 814 70 21ms 29 Nov 2022 120th aksyristos 814 70 31ms 25 Dec 2022 120th thizanne 814 70 19ms 27 Dec 2022 120th stefangimmillaro 814 70 20ms 6 Feb 2023 120th Seek64 🇩🇪 814 70 17ms 7 Feb 2023 120th FieryIceStickie 814 70 19ms 3 Apr 2023 120th MeWhenI 🇻🇦 814 70 18ms 30 Apr 2023 120th kellantech 814 70 22ms 15 May 2023 120th InigoK 🇺🇸 814 70 18ms 14 Jun 2023 120th quimey 814 70 16ms 15 Jun 2023 120th janbehrens 🇩🇪 814 70 19ms 24 Nov 2023 120th namelessiw 814 70 19ms 9 Jan 2024 120th mathisfun271 814 70 18ms 13 Feb 2024 120th ThijsLuttikhuis 814 70 26ms 3 Mar 2024 First Prev 76–150 of 804 Next Last