The Minesweeper hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Collatz in all languages 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 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 Chars Time Submitted 142nd Yax42 🇫🇷 933 89 475ms 23 days ago 142nd stefangimmillaro 933 89 437ms 21 days ago 142nd CaedenHarper 🇨🇦 933 89 426ms 18 days ago 142nd Jacob385 933 89 374ms 14 mins ago 155th canissimia 🇦🇶 931 51 927ms 6 May 2022 155th Lydxn 🇨🇦 931 51 1,001ms 6 May 2022 155th primo-ppcg 🇹🇭 931 51 930ms 6 May 2022 155th pardouin 🇫🇷 931 51 953ms 12 Apr 2025 159th primo-ppcg 🇹🇭 931 58 5ms 13 Nov 2022 159th clockworknazo 931 58 8ms 15 Nov 2022 159th Lydxn 🇨🇦 931 58 5ms 7 Feb 2023 159th xsot 🇸🇬 931 58 6ms 28 Jun 2024 159th Salutations45 931 58 8ms 18 Dec 2024 164th ovs-code 🇩🇪 931 60 19ms 4 May 2022 164th m-tkach 🇺🇦 931 60 18ms 4 May 2022 164th btnlq 931 60 24ms 5 May 2022 164th orthoplex 🇨🇽 931 60 24ms 9 Oct 2022 164th FlorianCassayre 🇫🇷 931 60 24ms 7 Nov 2022 164th SirBogman 🇺🇸 931 60 20ms 20 Nov 2022 164th QuincyNash 🇺🇸 931 60 21ms 1 Dec 2022 164th Steffan153 🇫🇮 931 60 19ms 19 Dec 2022 164th SirFireball3521 931 60 17ms 26 Jan 2023 164th Shanethegamer 🇺🇸 931 60 24ms 25 May 2023 164th CornerMercury 🇬🇧 931 60 19ms 19 Jun 2023 164th ndren 931 60 24ms 2 Aug 2023 164th kg583 🇺🇸 931 60 64ms 14 Aug 2023 164th Just4FunCoder 931 60 23ms 17 Feb 2024 164th HumanoidCPU 931 60 21ms 6 May 2024 164th sean-niemann 🇺🇸 931 60 22ms 10 Jul 2024 164th pardouin 🇫🇷 931 60 21ms 11 Jul 2024 164th dokutan 931 60 20ms 15 Aug 2024 164th jatloe 931 60 29ms 26 Aug 2024 164th emgordon154 931 60 20ms 6 Sep 2024 164th starfihs 931 60 18ms 12 Oct 2024 164th CaedenHarper 🇨🇦 931 60 20ms 3 Nov 2024 164th 5quiwyrm 931 60 19ms 12 Nov 2024 164th plcc0 931 60 18ms 26 Mar 2025 164th yujh-yujh 🇬🇸 931 60 19ms 28 Mar 2025 164th albanian-laundromat 931 60 19ms 12 Apr 2025 164th Mukundan314 931 60 23ms 17 Apr 2025 164th fuzzylojik-golf 🇺🇸 931 60 22ms 1 Sep 2025 192nd grey0ut 929 48 2,417ms 8 Apr 2025 193rd m-tkach 🇺🇦 929 91 63ms 5 May 2022 193rd 09cf 929 91 63ms 4 Oct 2023 195th emplv 🇱🇻 927 60 9ms 5 May 2022 195th GrayJoKing 🇦🇺 927 60 9ms 6 May 2022 195th targrik 927 60 17ms 24 Dec 2024 195th xsot 🇸🇬 927 60 11ms 1 May 2025 199th Lydxn 🇨🇦 926 38 1,762ms 4 May 2022 199th GrayJoKing 🇦🇺 926 38 418ms 5 May 2022 199th Steffan153 🇫🇮 926 38 357ms 16 Dec 2022 199th ovs-code 🇩🇪 926 38 513ms 30 Dec 2023 203rd GolfingSuccess 🇬🇷 926 49 40ms 12 Aug 2024 203rd Shanethegamer 🇺🇸 926 49 40ms 12 Aug 2024 203rd Steffan153 🇫🇮 926 49 40ms 12 Aug 2024 203rd MeWhenI 🇻🇦 926 49 46ms 13 Aug 2024 203rd DialFrost 🇸🇬 926 49 48ms 13 Aug 2024 203rd GrayJoKing 🇦🇺 926 49 68ms 15 Aug 2024 203rd btnlq 926 49 64ms 16 Aug 2024 203rd emgordon154 926 49 47ms 19 Aug 2024 203rd ovs-code 🇩🇪 926 49 43ms 19 Aug 2024 203rd mousetail 🇳🇱 926 49 60ms 13 Sep 2024 203rd lynn 926 49 43ms 20 Dec 2024 203rd weeble 926 49 46ms 20 Dec 2024 203rd sean-niemann 🇺🇸 926 49 42ms 11 Jan 2025 216th ovs-code 🇩🇪 926 52 918ms 16 Jan 2024 216th kg583 🇺🇸 926 52 461ms 24 Jan 2024 216th Shanethegamer 🇺🇸 926 52 446ms 24 Mar 2024 216th pardouin 🇫🇷 926 52 487ms 11 Jul 2024 216th Steffan153 🇫🇮 926 52 496ms 17 Aug 2024 216th sean-niemann 🇺🇸 926 52 502ms 24 Jan 2025 222nd MeWhenI 🇻🇦 925 68 105ms 23 Feb 2023 222nd JayXon 🇺🇸 925 68 104ms 4 Mar 2025 224th Lydxn 🇨🇦 924 70 106ms 17 Oct 2022 224th JayXon 🇺🇸 924 70 110ms 17 Oct 2022 First Prev 151–225 of 3,390 Next Last