The Minesweeper hole will go live in approximately 5 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 900th SirBogman 🇺🇸 835 55 8ms 5 May 2022 900th Shanethegamer 🇺🇸 835 55 6ms 19 May 2023 900th DialFrost 🇸🇬 835 55 11ms 14 Feb 2025 904th Yewzir 🇧🇪 835 69 81ms 24 Dec 2024 905th Re-Adventures 🇮🇳 835 116 272ms 16 Jul 2023 905th Yewzir 🇧🇪 835 116 285ms 7 Feb 2024 907th SirBogman 🇺🇸 834 36 14ms 5 May 2022 907th HPWiz 🇳🇿 834 36 11ms 7 May 2022 907th Natanaelel 🇸🇪 834 36 93ms 15 Jun 2022 907th Steffan153 🇫🇮 834 36 96ms 18 Jan 2023 907th codereport 🇨🇦 834 36 9ms 1 Jun 2024 907th GolfinK 834 36 10ms 21 Nov 2024 907th lifthrasiir 🇰🇷 834 36 11ms 1 Dec 2024 907th GolfingSuccess 🇬🇷 834 36 12ms 20 Mar 2025 915th ChiefChippy2 834 56 39ms 4 May 2022 915th aksyristos 834 56 41ms 29 Jan 2023 915th anter69 🇭🇺 834 56 39ms 12 Feb 2024 915th 3dm4n 🇫🇮 834 56 52ms 11 Mar 2024 915th lgrandco 834 56 41ms 9 Oct 2024 915th tatzyr 🇯🇵 834 56 40ms 10 Dec 2024 921st moustave 834 67 21ms 7 Nov 2024 922nd inverseLorentz 🇦🇺 834 69 176ms 3 Jun 2024 922nd CLOStrophobic 🇮🇹 834 69 174ms 28 May 2025 924th Shanethegamer 🇺🇸 834 82 155ms 15 May 2023 925th p-vf 🇨🇭 834 93 371ms 24 Jun 2022 925th Smetalo 834 93 380ms 25 Aug 2022 925th malworthy 834 93 370ms 19 Aug 2024 928th Shanethegamer 🇺🇸 833 57 1,051ms 15 Dec 2022 928th anter69 🇭🇺 833 57 876ms 23 Feb 2023 928th stefangimmillaro 833 57 891ms 6 May 2023 931st elisherer 🇮🇱 833 64 10ms 5 Jun 2022 931st Ashikpaul 🇮🇳 833 64 10ms 29 Jul 2022 931st LukeBridges 🇬🇧 833 64 12ms 26 Oct 2022 931st florton 833 64 11ms 18 Jan 2023 931st DayDun 🇸🇪 833 64 11ms 24 Jan 2023 931st lyphyser 833 64 13ms 3 Jun 2023 931st Davr1 🇨🇿 833 64 11ms 14 Oct 2023 931st stellartux 833 64 12ms 26 Dec 2023 931st goodwyna21 833 64 9ms 12 Nov 2024 931st xShadowBlade 833 64 10ms 26 Dec 2024 931st richard-oelze 🇩🇪 833 64 11ms 4 Aug 2025 942nd Alex-x90 🇺🇸 833 74 2ms 4 Dec 2022 942nd undersquire 833 74 3ms 24 Jun 2023 942nd rdmsr 833 74 2ms 24 Jun 2023 942nd Bmrl7 833 74 3ms 9 Jul 2023 942nd Vinterion 833 74 3ms 6 Nov 2023 942nd namelessiw 833 74 3ms 28 Dec 2023 942nd Jonatan6 🇩🇰 833 74 3ms 15 Mar 2024 942nd Mandrzejy 🇵🇱 833 74 5ms 12 Apr 2024 942nd kaurakeksi 🇫🇮 833 74 3ms 29 Dec 2024 951st nwellnhof 🇩🇪 833 117 1,569ms 16 Nov 2022 952nd Natanaelel 🇸🇪 832 39 196ms 10 Feb 2025 953rd Steffan153 🇫🇮 832 55 78ms 21 Dec 2022 954th MeWhenI 🇻🇦 832 101 26ms 5 May 2022 955th ovs-code 🇩🇪 831 60 137ms 3 Aug 2024 955th GrayJoKing 🇦🇺 831 60 183ms 24 Oct 2024 955th Shanethegamer 🇺🇸 831 60 175ms 19 Dec 2024 958th alphafalfa 831 65 5ms 23 Aug 2024 959th sean-niemann 🇺🇸 830 67 10ms 5 May 2022 959th pschmid0 🇺🇸 830 67 6ms 5 Aug 2022 959th arobson13 🇨🇦 830 67 6ms 11 Apr 2023 959th janbehrens 🇩🇪 830 67 10ms 17 May 2023 963rd rollershutter 830 78 4ms 8 Jul 2022 963rd destofr 830 78 8ms 25 Aug 2022 963rd 5quiwyrm 830 78 3ms 4 Sep 2022 963rd thej10n 830 78 10ms 12 Jun 2024 963rd SwordF-Official 830 78 3ms 27 Apr 2025 968th sean-niemann 🇺🇸 830 79 2,794ms 23 Oct 2024 968th DialFrost 🇸🇬 830 79 2,730ms 25 Oct 2024 968th emgordon154 830 79 2,362ms 27 Oct 2024 968th stefangimmillaro 830 79 2,546ms 28 Oct 2024 972nd tkr-sh 🇫🇷 829 102 424ms 20 Aug 2022 972nd trist224 🇫🇷 829 102 402ms 14 Dec 2022 974th msbranicky 828 100 135ms 5 Oct 2023 974th dokutan 828 100 126ms 3 Oct 2024 First Prev 901–975 of 3,389 Next Last