The Minesweeper hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Happy Numbers in all languages 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 820th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 820th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 820th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 820th LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 820th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 831st primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 831st lynn 829 67 126ms 18 May 2021 831st Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 831st sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 835th jared-hughes 829 82 158ms 11 Sep 2023 836th kgodara 829 98 127ms 11 Mar 2023 837th anter69 🇭🇺 828 57 36ms 3 Aug 2021 837th annaproxy 828 57 55ms 27 Aug 2022 837th BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 840th inventshah 827 80 3ms 9 Sep 2022 841st Shanethegamer 🇺🇸 825 64 4ms 25 Apr 2023 842nd CLOStrophobic 🇮🇹 825 102 44ms 14 Feb 2025 843rd m-tkach 🇺🇦 824 64 376ms 30 Jan 2024 844th dokutan 824 101 371ms 24 Sep 2025 845th didion0 🇺🇸 821 73 13ms 22 Apr 2021 845th itsh01 821 73 14ms 16 Aug 2021 845th c0d3-4-F00d 🇩🇪 821 73 10ms 5 Jan 2022 845th DaCuteRaccoon 821 73 11ms 30 Nov 2022 845th janbehrens 🇩🇪 821 73 10ms 17 Jun 2023 845th snoozingnewt 🇺🇸 821 73 13ms 1 Sep 2024 851st KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 851st trist224 🇫🇷 821 74 30ms 15 Nov 2022 851st QuincyNash 🇺🇸 821 74 10ms 29 Nov 2022 854th AaronGarbut 820 87 2ms 30 Jul 2019 855th phdphil 818 46 190ms 9 Apr 2018 856th dokutan 818 85 114ms 23 Jul 2025 857th ovs-code 🇩🇪 818 153 1,757ms 14 Sep 2025 857th primo-ppcg 🇹🇭 818 153 1,866ms 15 Sep 2025 857th emgordon154 818 153 1,880ms 16 Sep 2025 860th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 861st Frank-Buss 817 93 6ms 29 Aug 2020 862nd DialFrost 🇸🇬 817 103 44ms 16 Feb 2025 863rd NewDefectus 🇮🇱 813 54 16ms 15 Dec 2021 864th Waffle3z 813 58 61ms 20 Jan 2021 864th jbbarth 🇫🇷 813 58 33ms 8 Oct 2021 864th AlephSquirrel 813 58 65ms 14 Apr 2023 864th SirBogman 🇺🇸 813 58 36ms 10 Jan 2024 864th fuzzylojik-golf 🇺🇸 813 58 35ms 3 Sep 2025 869th MeWhenI 🇻🇦 813 71 3ms 25 Jul 2023 869th GrayJoKing 🇦🇺 813 71 169ms 3 Aug 2024 871st jared-hughes 813 154 1,917ms 16 Sep 2025 872nd MeWhenI 🇻🇦 812 65 426ms 17 Jan 2024 873rd dokutan 812 100 133ms 23 Jul 2025 874th ListeriaM 811 88 2ms 25 Aug 2023 874th Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 876th tomtheisen 🇺🇸 810 74 10ms 9 Oct 2020 876th weliveinhell 🇭🇹 810 74 11ms 3 Sep 2023 876th thisishowmymindworks 🇳🇴 810 74 16ms 10 Jun 2024 876th Lv0Sys 🇵🇱 810 74 11ms 31 May 2025 880th mortimervonchappuis 810 75 10ms 17 Mar 2020 880th SirFireball3521 810 75 13ms 28 Jan 2023 880th AlexanderFair 810 75 10ms 2 Jul 2023 880th msbranicky 810 75 10ms 25 Jul 2023 884th Natanaelel 🇸🇪 809 32 43ms 22 Jul 2022 884th SirBogman 🇺🇸 809 32 44ms 10 Sep 2022 886th primo-ppcg 🇹🇭 808 61 91ms 9 Feb 2022 887th janbehrens 🇩🇪 807 82 2ms 26 Nov 2023 888th KenanSi 806 31 3ms 24 Feb 2022 888th ashtraypettingzoo 🇺🇸 806 31 3ms 5 Apr 2023 890th DialFrost 🇸🇬 805 62 57ms 21 Jan 2025 891st Yewzir 🇧🇪 804 87 2ms 21 Jan 2024 891st rucin93 🇵🇱 804 87 2ms 22 Apr 2025 893rd primo-ppcg 🇹🇭 804 102 27ms 25 Jun 2022 894th MeWhenI 🇻🇦 802 72 149ms 3 Aug 2024 895th AlexDaniel 🇪🇪 801 47 187ms 5 Apr 2020 895th SirBogman 🇺🇸 801 47 134ms 4 Nov 2021 897th adoxography 800 59 38ms 22 Jul 2018 897th flavono123 800 59 56ms 19 Dec 2019 897th rbviz 800 59 46ms 29 Mar 2021 897th Shanethegamer 🇺🇸 800 59 51ms 13 Sep 2021 First Prev 826–900 of 3,075 Next Last