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 451st Constructor7 812 58 24 Feb 2018 451st GolfingSuccess 🇬🇷 812 58 26 Mar 2018 451st xnor-gate 812 58 12 Apr 2018 451st kmaork 🇮🇱 812 58 18 Apr 2018 451st edre 812 58 30 Apr 2018 451st j55d 812 58 19 Sep 2018 451st daedals 812 58 16 Apr 2019 451st villfa 812 58 20 May 2019 451st TFeld00 🇩🇰 812 58 31 May 2019 451st marcin7Cd 812 58 27 Aug 2019 451st jiaminglimjm 🇲🇾 812 58 12 Dec 2019 451st SirBogman 🇺🇸 812 58 4 Jan 2020 451st thisishowmymindworks 🇳🇴 812 58 22 Jul 2020 451st ToriTheChicken 812 58 23 Jul 2020 451st anter69 🇭🇺 812 58 14 Jan 2021 451st HETHAT 🇩🇿 812 58 31 Jan 2021 451st lynn 812 58 2 Mar 2021 451st vezzick 812 58 7 Mar 2021 451st Indivicivet 812 58 26 Mar 2021 451st Larspolo 812 58 20 Jun 2021 451st emplv 🇱🇻 812 58 31 Aug 2021 451st jared-hughes 812 58 19 Sep 2021 451st ovs-code 🇩🇪 812 58 1 Feb 2022 451st MichaelMBradley 🇨🇦 812 58 11 Jun 2022 451st bricknellj 812 58 29 Jun 2022 451st janbehrens 🇩🇪 812 58 4 Jul 2022 451st betaveros 812 58 9 Aug 2022 451st 5quiwyrm 812 58 20 Aug 2022 451st ItsMeNoobieboy 812 58 21 Dec 2022 451st AlephSquirrel 812 58 28 Jan 2023 451st scpchicken 🇵🇼 812 58 28 Jan 2023 451st CheeseCake628 🇳🇴 812 58 16 Feb 2023 451st Just4FunCoder 812 58 22 Mar 2023 451st fourth-bit 812 58 11 Jul 2023 451st RYNO8 812 58 22 Aug 2023 451st Rubiksmath 812 58 25 Aug 2023 451st ndren 812 58 1 Oct 2023 451st Yewzir 🇧🇪 812 58 6 Oct 2023 451st keelimeguy 🇺🇸 812 58 19 Oct 2023 451st 1231234md5 🇨🇳 812 58 13 Dec 2023 451st stackofbears 812 58 27 Dec 2023 451st duckyluuk 🇳🇱 812 58 14 Feb 2024 451st BREMAUCY 🇫🇷 812 58 25 Mar 2024 451st CutSandstone 812 58 5 Jul 2024 451st Bulmenisaurus 812 58 17 Jul 2024 451st CaedenHarper 🇨🇦 812 58 6 Aug 2024 451st codingisgreatbutiamnot 812 58 12 Aug 2024 451st plcc0 812 58 20 Feb 2025 499th jared-hughes 812 122 15 Feb 2022 500th emplv 🇱🇻 810 67 14 Mar 2023 501st somebody1234 807 85 20 Nov 2018 501st dokutan 807 85 15 Jan 2024 501st Yewzir 🇧🇪 807 85 6 Feb 2024 504th lynn 803 34 13 Apr 2021 504th jared-hughes 803 34 30 Sep 2021 504th Natanaelel 🇸🇪 803 34 28 Nov 2023 507th ovs-code 🇩🇪 803 77 29 Jul 2024 508th primo-ppcg 🇹🇭 801 61 9 Feb 2022 509th DialFrost 🇸🇬 800 62 21 Jan 2025 510th Bubbler-4 800 72 20 Feb 2019 510th xnor-gate 800 72 22 Dec 2021 510th tobeannouncd 800 72 11 Jan 2024 513th sisyphus-ppcg 🇦🇺 800 91 18 May 2022 513th ovs-code 🇩🇪 800 91 20 May 2022 513th inventshah 800 91 4 Jun 2022 513th nwellnhof 🇩🇪 800 91 8 Jul 2022 513th retrohun 800 91 30 Apr 2023 513th kritixilithos 800 91 22 May 2024 519th pardouin 🇫🇷 799 106 24 Aug 2024 520th kevinmchung 798 59 24 Feb 2018 520th benwilliamgraham 798 59 26 Jan 2019 520th mogron 798 59 13 Dec 2019 520th mortimervonchappuis 798 59 17 Mar 2020 520th OllieBoyne 🇬🇧 798 59 16 Jan 2021 520th SnowballSH 798 59 31 Jan 2021 Prev 451–525 of 2,858 Next