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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 363rd edsrzf 🇳🇿 848 27 24 days ago 377th stefangimmillaro 846 64 15 Jul 2023 378th emplv 🇱🇻 846 100 2 Sep 2021 378th Shanethegamer 🇺🇸 846 100 29 Mar 2023 378th Yewzir 846 100 26 Oct 2023 378th emgordon154 846 100 17 Jan 2025 378th error256 846 100 15 Feb 2025 378th plcc0 846 100 12 days ago 384th sisyphus-ppcg 🇦🇺 845 77 3 Feb 2023 385th Irratix 🇳🇱 841 56 30 Apr 2022 385th GrayJoKing 🇦🇺 841 56 7 Jul 2022 385th Alex-x90 🇺🇸 841 56 28 Jan 2023 385th inventshah 841 56 28 Jan 2023 385th neel11235813 841 56 7 Feb 2023 385th roupiq 🇵🇱 841 56 18 Feb 2024 385th Seek64 🇩🇪 841 56 15 Jul 2024 385th emgordon154 841 56 6 Sep 2024 385th DialFrost 🇸🇬 841 56 26 Dec 2024 394th MeWhenI 🇻🇦 840 49 22 Aug 2023 395th stefangimmillaro 840 50 22 Aug 2023 396th xkacer 🇨🇿 839 118 20 Nov 2020 397th mcreenan 838 37 22 Apr 2018 397th ovs-code 🇩🇪 838 37 31 Dec 2023 399th jared-hughes 838 101 27 Feb 2024 399th edsrzf 🇳🇿 838 101 26 Oct 2024 401st GrayJoKing 🇦🇺 835 42 13 Sep 2023 401st Lydxn 🇨🇦 835 42 13 Sep 2023 401st Steffan153 🇫🇮 835 42 15 Sep 2023 401st primo-ppcg 🇹🇭 835 42 16 Sep 2023 401st MeWhenI 🇻🇦 835 42 2 Nov 2023 401st Yewzir 835 42 7 Mar 2024 401st pardouin 🇫🇷 835 42 24 Aug 2024 401st edsrzf 🇳🇿 835 42 17 Jan 2025 409th CaedenHarper 🇨🇦 835 52 1 Feb 2025 410th the-zammers 835 69 2 Dec 2024 411th UnderKoen 🇳🇱 834 85 1 Jul 2022 411th sisyphus-ppcg 🇦🇺 834 85 7 Jul 2022 411th m-tkach 🇺🇦 834 85 8 Mar 2023 411th Lydxn 🇨🇦 834 85 19 Jul 2023 411th edsrzf 🇳🇿 834 85 5 Mar 2025 416th MeWhenI 🇻🇦 833 74 5 Mar 2022 417th msbranicky 829 102 8 Sep 2023 417th kkoenig 829 102 5 Jan 2024 419th AdrienHache 🇫🇷 828 83 7 Jan 2024 419th sean-niemann 🇺🇸 828 83 12 days ago 421st stackofbears 827 33 19 days ago 422nd MeWhenI 🇻🇦 827 36 24 Jul 2021 423rd AlephSquirrel 826 83 21 Jan 2023 424th stefangimmillaro 824 76 4 Oct 2023 425th AdrienHache 🇫🇷 821 64 7 Jan 2024 426th agschwender 821 103 21 Apr 2020 426th JunkIce 821 103 23 Feb 2025 428th Shanethegamer 🇺🇸 820 66 13 Mar 2023 429th Shanethegamer 🇺🇸 817 28 22 Jul 2022 430th Constructor7 812 58 24 Feb 2018 430th GolfingSuccess 🇬🇷 812 58 26 Mar 2018 430th xnor-gate 812 58 12 Apr 2018 430th kmaork 🇮🇱 812 58 18 Apr 2018 430th edre 812 58 30 Apr 2018 430th j55d 812 58 19 Sep 2018 430th daedals 812 58 16 Apr 2019 430th villfa 812 58 20 May 2019 430th TFeld00 🇩🇰 812 58 31 May 2019 430th marcin7Cd 812 58 27 Aug 2019 430th jiaminglimjm 🇲🇾 812 58 12 Dec 2019 430th SirBogman 🇺🇸 812 58 4 Jan 2020 430th thisishowmymindworks 🇳🇴 812 58 22 Jul 2020 430th ToriTheChicken 812 58 23 Jul 2020 430th anter69 🇭🇺 812 58 14 Jan 2021 430th HETHAT 🇩🇿 812 58 31 Jan 2021 430th lynn 812 58 2 Mar 2021 430th vezzick 812 58 7 Mar 2021 430th Indivicivet 812 58 26 Mar 2021 430th Larspolo 812 58 20 Jun 2021 430th emplv 🇱🇻 812 58 31 Aug 2021 Prev 376–450 of 2,726 Next