Happy Numbers (Long) 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 218th Just4FunCoder 898 66 327ms 17 Feb 2024 218th lifthrasiir 🇰🇷 898 66 16ms 16 Nov 2024 218th plcc0 898 66 232ms 20 Apr 2025 218th Babafaba 898 66 281ms 21 hours ago 230th sean-niemann 🇺🇸 898 67 1,069ms 16 Sep 2025 231st primo-ppcg 🇹🇭 898 85 43ms 22 Sep 2021 231st cure-honey 🇯🇵 898 85 45ms 27 Sep 2021 231st marshallward 🇺🇸 898 85 41ms 2 Sep 2022 234th GrayJoKing 🇦🇺 898 97 46ms 23 Oct 2023 235th ovs-code 🇩🇪 897 68 404ms 2 Jul 2025 236th JayXon 🇺🇸 897 95 128ms 27 Sep 2021 236th Lydxn 🇨🇦 897 95 127ms 16 May 2023 238th MeWhenI 🇻🇦 896 66 12ms 19 Sep 2021 238th sisyphus-ppcg 🇦🇺 896 66 12ms 20 Sep 2021 238th Irratix 🇳🇱 896 66 12ms 15 Dec 2021 238th DialFrost 🇸🇬 896 66 11ms 28 Jan 2023 238th Argeento 🇵🇱 896 66 11ms 26 Aug 2023 243rd JayXon 🇺🇸 896 84 101ms 22 Sep 2021 244th GrayJoKing 🇦🇺 896 90 557ms 10 Sep 2022 245th primo-ppcg 🇹🇭 896 110 483ms 22 Sep 2021 246th GrayJoKing 🇦🇺 893 74 3,617ms 16 Jun 2022 246th GrayJoKing 🇦🇺 893 74 20ms 1 Nov 2023 246th JayXon 🇺🇸 893 74 2,979ms 19 Jul 2025 249th dvargas46 🇺🇸 892 56 310ms 15 Nov 2022 250th prplz 🇦🇺 892 76 197ms 27 Sep 2021 250th YAJUE114514 892 76 207ms 30 Jul 2025 252nd JayXon 🇺🇸 892 77 24ms 26 Nov 2021 252nd ovs-code 🇩🇪 892 77 4ms 4 Nov 2023 254th Steffan153 🇫🇮 892 82 2ms 29 Oct 2023 254th sean-niemann 🇺🇸 892 82 3ms 22 Dec 2024 256th bastatom 892 132 311ms 27 Feb 2024 256th emgordon154 892 132 275ms 17 Jan 2025 258th GrayJoKing 🇦🇺 891 80 13ms 13 Aug 2023 258th btnlq 891 80 15ms 22 Oct 2023 260th typeswitch-dev 🇵🇹 890 94 4ms 2 Aug 2023 261st Steffan153 🇫🇮 888 63 558ms 16 Jan 2024 261st GrayJoKing 🇦🇺 888 63 649ms 23 Jul 2024 261st GolfingSuccess 🇬🇷 888 63 493ms 25 Jan 2025 264th GrayJoKing 🇦🇺 888 84 37ms 31 Jan 2025 265th AlephSquirrel 888 111 467ms 17 Feb 2024 266th SirBogman 🇺🇸 887 86 44ms 2 Nov 2022 267th GrayJoKing 🇦🇺 887 110 29ms 13 Jan 2023 268th Steffan153 🇫🇮 886 91 1,577ms 19 Aug 2024 269th lifthrasiir 🇰🇷 885 29 5ms 29 Nov 2024 270th ehulinsky 🇺🇸 885 67 312ms 25 Sep 2021 270th fredrik-bakke 🇳🇴 885 67 354ms 2 Oct 2022 270th jakobkordez 🇸🇮 885 67 23ms 30 Oct 2022 270th Yewzir 🇧🇪 885 67 243ms 8 Oct 2023 270th dokutan 885 67 306ms 4 Feb 2025 275th edsrzf 🇳🇿 885 68 1,720ms 12 Sep 2025 276th lynn 885 96 1,202ms 6 Oct 2021 277th hrubymar10 885 133 272ms 27 Feb 2024 278th nwellnhof 🇩🇪 884 56 950ms 2 Mar 2023 279th Lydxn 🇨🇦 884 69 83ms 13 Dec 2022 279th sisyphus-ppcg 🇦🇺 884 69 93ms 16 Dec 2022 281st Lydxn 🇨🇦 883 34 274ms 3 Mar 2023 282nd inventshah 883 67 11ms 26 Sep 2023 282nd ovs-code 🇩🇪 883 67 14ms 29 Jul 2024 284th Steffan153 🇫🇮 883 74 56ms 10 Nov 2023 284th sean-niemann 🇺🇸 883 74 54ms 9 Apr 2025 284th edsrzf 🇳🇿 883 74 55ms 5 Jul 2025 287th MeWhenI 🇻🇦 882 56 982ms 13 Nov 2022 288th kg583 🇺🇸 882 96 41ms 26 Jul 2025 289th canissimia 🇦🇶 882 218 32ms 25 Oct 2021 290th Shanethegamer 🇺🇸 881 65 71ms 1 Dec 2024 291st Steffan153 🇫🇮 881 75 367ms 19 Dec 2022 292nd DialFrost 🇸🇬 881 78 8ms 17 Dec 2024 293rd GrayJoKing 🇦🇺 881 83 4ms 23 Oct 2023 293rd ovs-code 🇩🇪 881 83 2ms 23 Oct 2023 295th m-tkach 🇺🇦 881 127 17ms 15 Jan 2025 296th Steffan153 🇫🇮 880 81 15ms 18 Apr 2023 296th kg583 🇺🇸 880 81 10ms 19 days ago 298th primo-ppcg 🇹🇭 880 99 44ms 19 Jul 2022 299th m-tkach 🇺🇦 880 143 28ms 7 Apr 2022 299th primo-ppcg 🇹🇭 880 143 28ms 25 Jun 2022 First Prev 226–300 of 1,964 Next Last