Happy Numbers 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 374th LostSyntax21 🇬🇧 852 65 8 Jan 2025 377th emgordon154 851 51 13 Apr 2025 378th sean-niemann 🇺🇸 848 27 22 Jul 2022 378th lynn 848 27 22 Jul 2022 378th MeWhenI 🇻🇦 848 27 23 Jul 2022 378th sisyphus-ppcg 🇦🇺 848 27 24 Jul 2022 378th jared-hughes 848 27 29 Jul 2022 378th DaCuteRaccoon 848 27 30 Nov 2022 378th AlephSquirrel 848 27 30 Dec 2022 378th DialFrost 🇸🇬 848 27 28 Jan 2023 378th CornerMercury 🇬🇧 848 27 24 Aug 2023 378th ovs-code 🇩🇪 848 27 2 Feb 2024 378th snoozingnewt 🇺🇸 848 27 1 Sep 2024 378th pardouin 🇫🇷 848 27 21 Sep 2024 378th LostSyntax21 🇬🇧 848 27 8 Jan 2025 378th edsrzf 🇳🇿 848 27 9 Mar 2025 392nd stefangimmillaro 848 64 15 Jul 2023 393rd emplv 🇱🇻 847 100 2 Sep 2021 393rd Shanethegamer 🇺🇸 847 100 29 Mar 2023 393rd Yewzir 🇧🇪 847 100 26 Oct 2023 393rd emgordon154 847 100 17 Jan 2025 393rd error256 847 100 15 Feb 2025 393rd plcc0 847 100 21 Mar 2025 399th pardouin 🇫🇷 846 26 14 Apr 2025 400th sisyphus-ppcg 🇦🇺 845 77 3 Feb 2023 401st Irratix 🇳🇱 841 56 30 Apr 2022 401st GrayJoKing 🇦🇺 841 56 7 Jul 2022 401st Alex-x90 🇺🇸 841 56 28 Jan 2023 401st inventshah 841 56 28 Jan 2023 401st neel11235813 841 56 7 Feb 2023 401st roupiq 🇵🇱 841 56 18 Feb 2024 401st Seek64 🇩🇪 841 56 15 Jul 2024 401st emgordon154 841 56 6 Sep 2024 401st DialFrost 🇸🇬 841 56 26 Dec 2024 401st fuzzylojik-golf 🇺🇸 841 56 4 days ago 411th MeWhenI 🇻🇦 840 49 22 Aug 2023 412th stefangimmillaro 840 50 22 Aug 2023 413th xkacer 🇨🇿 839 118 20 Nov 2020 414th mcreenan 838 37 22 Apr 2018 414th ovs-code 🇩🇪 838 37 31 Dec 2023 416th jared-hughes 838 101 27 Feb 2024 416th edsrzf 🇳🇿 838 101 26 Oct 2024 416th keelimeguy 🇺🇸 838 101 28 Apr 2025 419th GrayJoKing 🇦🇺 836 42 13 Sep 2023 419th Lydxn 🇨🇦 836 42 13 Sep 2023 419th Steffan153 🇫🇮 836 42 15 Sep 2023 419th primo-ppcg 🇹🇭 836 42 16 Sep 2023 419th MeWhenI 🇻🇦 836 42 2 Nov 2023 419th Yewzir 🇧🇪 836 42 7 Mar 2024 419th pardouin 🇫🇷 836 42 24 Aug 2024 419th edsrzf 🇳🇿 836 42 17 Jan 2025 419th sean-niemann 🇺🇸 836 42 7 Apr 2025 419th DialFrost 🇸🇬 836 42 7 Apr 2025 429th MeWhenI 🇻🇦 836 74 5 Mar 2022 430th CaedenHarper 🇨🇦 835 52 1 Feb 2025 431st the-zammers 835 69 2 Dec 2024 432nd UnderKoen 🇳🇱 834 85 1 Jul 2022 432nd sisyphus-ppcg 🇦🇺 834 85 7 Jul 2022 432nd m-tkach 🇺🇦 834 85 8 Mar 2023 432nd Lydxn 🇨🇦 834 85 19 Jul 2023 432nd edsrzf 🇳🇿 834 85 5 Mar 2025 437th msbranicky 830 102 8 Sep 2023 437th kkoenig 830 102 5 Jan 2024 439th AdrienHache 🇫🇷 828 83 7 Jan 2024 439th sean-niemann 🇺🇸 828 83 21 Mar 2025 441st stackofbears 827 33 14 Mar 2025 442nd MeWhenI 🇻🇦 827 36 24 Jul 2021 443rd AlephSquirrel 827 83 21 Jan 2023 444th stefangimmillaro 825 76 4 Oct 2023 445th Shanethegamer 🇺🇸 822 66 13 Mar 2023 446th agschwender 822 103 21 Apr 2020 446th JunkIce 822 103 23 Feb 2025 448th AdrienHache 🇫🇷 821 64 7 Jan 2024 449th Shanethegamer 🇺🇸 817 28 22 Jul 2022 450th Constructor7 812 58 24 Feb 2018 Prev 376–450 of 2,855 Next