The Minesweeper hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Collatz in Python in bytes. 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 p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Groovy 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 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 Bytes Time Submitted 674th lomarbrick 680 100 20ms 16 May 2023 674th karlaacastro44 680 100 21ms 5 May 2025 678th markus-rekdal 673 101 26ms 10 May 2022 678th fraserli 🇦🇺 673 101 26ms 2 May 2023 678th FCORMERAIS 673 101 22ms 6 Mar 2024 678th yhm138 673 101 15ms 16 Feb 2025 682nd PogLop 🇨🇿 667 102 18ms 31 Oct 2022 682nd AndersH3 🇸🇪 667 102 16ms 17 May 2023 682nd JulieGermainUNT 667 102 23ms 2 Apr 2025 685th enbyte 660 103 20ms 20 Dec 2022 685th rajlath 660 103 18ms 7 Jan 2023 685th mnurzia 660 103 16ms 12 Oct 2023 685th sqrteipi 660 103 20ms 2 Apr 2024 685th calum12345 660 103 19ms 26 Mar 2025 685th SectorCorruptor 660 103 26ms 14 Aug 2025 691st winigo3 654 104 26ms 8 Aug 2022 691st zt14427 654 104 20ms 30 Apr 2023 691st IoLimmer 654 104 17ms 24 Jul 2024 694th LordSir101 648 105 19ms 19 Jul 2022 694th tmanternach 648 105 22ms 24 Nov 2022 694th weber-hge 648 105 15ms 13 Jun 2023 694th Eugen-str 648 105 20ms 24 Oct 2023 698th ms-tingliang 642 106 16ms 5 Aug 2022 698th achilleasr 642 106 19ms 7 Nov 2022 698th OleBrumm 642 106 19ms 8 Jan 2023 698th AbhilashaTandon 642 106 23ms 19 Sep 2023 698th sheeperino 🇮🇹 642 106 22ms 11 Oct 2024 703rd phpboyscout 636 107 15ms 18 May 2023 703rd DrPrettyman 636 107 17ms 5 Jul 2023 703rd joseph-w0ng 636 107 19ms 5 Jul 2024 703rd EnisEfe0 636 107 21ms 18 May 2025 707th landyrisbad 630 108 21ms 13 Nov 2022 707th cakular 630 108 25ms 17 May 2024 707th glassala 630 108 15ms 25 Oct 2024 710th tjefferson401 624 109 32ms 16 Sep 2022 710th ariesmarinus 624 109 16ms 21 Nov 2024 712th profJGermain 618 110 19ms 7 Feb 2024 712th JMMMMC 618 110 20ms 23 Oct 2024 712th jtb0362 618 110 21ms 10 May 2025 715th MinecraftFan69420 613 111 21ms 8 days ago 716th sagnik3 607 112 20ms 8 Aug 2022 716th craftablescience 607 112 20ms 19 Sep 2023 718th kelseychristensen 602 113 20ms 2 Nov 2022 718th ArmsTheLimited 602 113 16ms 1 Jun 2023 720th HunterC14 596 114 26ms 18 Oct 2024 721st jstechman 591 115 23ms 24 Feb 2024 721st dan422442 591 115 21ms 19 Oct 2024 723rd keelanfh 586 116 18ms 20 Dec 2023 723rd returnitynet 586 116 16ms 27 Jan 2025 723rd EthanPatel01000101 586 116 17ms 8 days ago 726th gioto64 581 117 26ms 8 Dec 2022 726th WilfredSalmon 581 117 17ms 21 Oct 2023 728th XianchengZ 576 118 20ms 18 Aug 2023 728th brindak2005 576 118 18ms 2 May 2025 730th jmmographer 557 122 26ms 21 Oct 2023 730th RucatJ 557 122 18ms 8 Aug 2025 732nd xbxbxb007 553 123 22ms 10 Jan 2024 733rd kevinnaviapaiva 527 129 27ms 20 Feb 2025 734th AdrianN001 523 130 17ms 6 Aug 2023 735th wyatt-the-hump 519 131 17ms 24 Dec 2022 735th hotmanga 519 131 13ms 20 Oct 2023 735th Jordynar02 519 131 24ms 3 May 2025 738th Zach10za 511 133 22ms 23 Jan 2024 739th vtilde 507 134 18ms 8 Jan 2024 740th fig-apple 504 135 12ms 24 Jun 2023 741st S-Ruban 496 137 14ms 25 Feb 2023 742nd FLOKI0421 489 139 17ms 4 May 2025 742nd noahdorsch 489 139 20ms 5 May 2025 744th bartsowka2000 456 149 20ms 10 Jul 2023 745th KapelMeister 453 150 14ms 5 Sep 2025 746th sa1640 442 154 15ms 28 Apr 2025 747th arinhyther 439 155 19ms 24 Dec 2022 748th SebbeCaliban 433 157 19ms 11 Apr 2023 749th codefeld 393 173 18ms 5 Mar 2023 750th fl3ur1nestimable 382 178 21ms 24 Oct 2022 First Prev 676–750 of 793 Next Last