The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Leap Years in Java 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 72nd eMGeeneer 563 112 610ms 19 Sep 2025 77th theindexer 558 113 389ms 19 Aug 2020 77th Re-Adventures 🇮🇳 558 113 319ms 19 Mar 2021 77th lukehewittvandy 558 113 398ms 24 May 2021 77th fisherthomas14 558 113 356ms 24 May 2021 77th JC-ProgJava 558 113 335ms 9 Jan 2022 77th bob-th 558 113 485ms 30 Jun 2022 77th pandaninjas 558 113 344ms 1 Nov 2022 77th dteague3989 558 113 397ms 25 May 2023 77th DihydrogenMonoxideH2O 558 113 336ms 28 Jan 2025 86th b10011 🇫🇮 553 114 438ms 29 Jun 2020 86th richard-oelze 🇩🇪 553 114 425ms 16 Nov 2020 86th stordev 553 114 414ms 26 Feb 2021 86th AIn0n 553 114 322ms 19 Aug 2021 86th Carloz69 553 114 379ms 3 Dec 2021 86th bsoyka 🇺🇸 553 114 392ms 9 Jan 2022 86th bac0id 553 114 449ms 26 Sep 2023 86th DardS8Br 553 114 391ms 3 Nov 2023 94th GnotAGnelf 548 115 407ms 24 Nov 2020 94th eecb 548 115 354ms 24 Nov 2020 94th JustRevDice 548 115 384ms 6 Dec 2021 94th Seanharrs 548 115 384ms 15 Dec 2021 94th BrianWanamaker 548 115 449ms 2 Nov 2023 94th Benzas01 548 115 397ms 21 days ago 100th jetzerv 543 116 404ms 18 Dec 2020 100th riviere-lucas 543 116 379ms 28 Dec 2020 100th louisbosqui 543 116 310ms 28 Dec 2020 100th Nick-NCSU 543 116 412ms 1 Nov 2021 100th bwat2 543 116 312ms 21 Apr 2022 100th OriEy 543 116 431ms 26 Apr 2023 100th mathislife22 543 116 407ms 31 Aug 2023 100th crizin 🇰🇷 543 116 376ms 9 Sep 2023 108th jjstreet 538 117 389ms 24 Nov 2020 108th ReidZ3 🇺🇸 538 117 376ms 28 Nov 2020 108th JacobStanleyJones 538 117 388ms 5 Sep 2021 108th joshuaxie8 538 117 409ms 9 Jul 2025 112th mathwiz42 534 118 396ms 17 Aug 2020 112th Omega65536 🇩🇪 534 118 392ms 7 Jan 2021 112th glorpglob 534 118 381ms 6 Feb 2021 112th azka1368 534 118 401ms 24 Nov 2023 112th roguh 🇬🇹 534 118 414ms 14 Jan 2024 112th atazzam 🇺🇸 534 118 346ms 28 Jan 2025 118th fullerlee 529 119 374ms 30 Nov 2020 118th riccetn 529 119 395ms 7 Jul 2022 118th Siri-chan 529 119 430ms 8 Jan 2025 121st melisakmc 525 120 395ms 1 Feb 2022 122nd elefavour 521 121 360ms 6 Jan 2025 122nd matas132 521 121 397ms 16 Sep 2025 124th StronkCheese 🇺🇸 516 122 415ms 27 Jan 2023 124th Sora1248 🇩🇪 516 122 374ms 19 Feb 2023 124th 1231234md5 🇨🇳 516 122 378ms 11 Dec 2023 127th Smetalo 512 123 411ms 25 Aug 2022 127th Maximizer02 512 123 382ms 18 Oct 2023 127th onsagere 512 123 424ms 5 Oct 2024 130th EFHIII 508 124 372ms 16 Aug 2020 130th StirFrySauce 508 124 469ms 28 Jan 2025 132nd sech1p 🇵🇱 504 125 377ms 30 Oct 2020 132nd EthanGrant1 504 125 330ms 13 Apr 2022 134th amber1093 500 126 378ms 22 Feb 2024 134th PanNessMain 500 126 328ms 10 Oct 2024 136th Robi1718 496 127 365ms 6 Dec 2021 136th Trujillo707 496 127 444ms 18 Sep 2025 138th Larsen2328 492 128 388ms 27 Apr 2021 138th TrixTrl 492 128 343ms 19 Nov 2021 138th Grrine 492 128 433ms 28 Jan 2025 141st rachitkeyal 488 129 387ms 10 Nov 2022 141st ShepardToTheStars 488 129 400ms 5 Jan 2024 141st tik25 488 129 342ms 28 Mar 2024 144th daetz 485 130 428ms 8 Aug 2020 145th slammer903 477 132 409ms 24 Oct 2022 145th Yareeeema 477 132 389ms 26 Jan 2024 147th noahdorsch 474 133 374ms 15 Jul 2024 148th vSweePerxX 470 134 407ms 26 Feb 2021 149th HalvorOverby 467 135 388ms 22 Dec 2021 150th achow0 463 136 346ms 12 Aug 2020 First Prev 76–150 of 170 Next Last
