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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 447th edsrzf 🇳🇿 835 85 5 Mar 2025 452nd msbranicky 831 102 8 Sep 2023 452nd kkoenig 831 102 5 Jan 2024 454th AdrienHache 🇫🇷 830 83 7 Jan 2024 454th sean-niemann 🇺🇸 830 83 21 Mar 2025 456th stackofbears 828 33 14 Mar 2025 457th MeWhenI 🇻🇦 827 36 24 Jul 2021 458th AlephSquirrel 827 83 21 Jan 2023 459th stefangimmillaro 826 76 4 Oct 2023 460th Shanethegamer 🇺🇸 823 66 13 Mar 2023 461st agschwender 823 103 21 Apr 2020 461st JunkIce 823 103 23 Feb 2025 463rd AdrienHache 🇫🇷 822 64 7 Jan 2024 464th Apataras 820 121 25 Jul 2025 465th Shanethegamer 🇺🇸 817 28 22 Jul 2022 466th jared-hughes 814 122 15 Feb 2022 467th Constructor7 812 58 24 Feb 2018 467th GolfingSuccess 🇬🇷 812 58 26 Mar 2018 467th xnor-gate 812 58 12 Apr 2018 467th kmaork 🇮🇱 812 58 18 Apr 2018 467th edre 812 58 30 Apr 2018 467th j55d 812 58 19 Sep 2018 467th daedals 812 58 16 Apr 2019 467th villfa 812 58 20 May 2019 467th TFeld00 🇩🇰 812 58 31 May 2019 467th marcin7Cd 812 58 27 Aug 2019 467th jiaminglimjm 🇲🇾 812 58 12 Dec 2019 467th SirBogman 🇺🇸 812 58 4 Jan 2020 467th thisishowmymindworks 🇳🇴 812 58 22 Jul 2020 467th ToriTheChicken 812 58 23 Jul 2020 467th anter69 🇭🇺 812 58 14 Jan 2021 467th lynn 812 58 2 Mar 2021 467th vezzick 812 58 7 Mar 2021 467th Indivicivet 812 58 26 Mar 2021 467th Larspolo 812 58 20 Jun 2021 467th emplv 🇱🇻 812 58 31 Aug 2021 467th jared-hughes 812 58 19 Sep 2021 467th ovs-code 🇩🇪 812 58 1 Feb 2022 467th MichaelMBradley 🇨🇦 812 58 11 Jun 2022 467th bricknellj 812 58 29 Jun 2022 467th janbehrens 🇩🇪 812 58 4 Jul 2022 467th betaveros 812 58 9 Aug 2022 467th 5quiwyrm 812 58 20 Aug 2022 467th ItsMeNoobieboy 812 58 21 Dec 2022 467th AlephSquirrel 812 58 28 Jan 2023 467th scpchicken 🇵🇼 812 58 28 Jan 2023 467th CheeseCake628 🇳🇴 812 58 16 Feb 2023 467th Just4FunCoder 812 58 22 Mar 2023 467th fourth-bit 812 58 11 Jul 2023 467th RYNO8 812 58 22 Aug 2023 467th Rubiksmath 812 58 25 Aug 2023 467th ndren 812 58 1 Oct 2023 467th Yewzir 🇧🇪 812 58 6 Oct 2023 467th keelimeguy 🇺🇸 812 58 19 Oct 2023 467th 1231234md5 🇨🇳 812 58 13 Dec 2023 467th stackofbears 812 58 27 Dec 2023 467th CutSandstone 812 58 5 Jul 2024 467th Bulmenisaurus 812 58 17 Jul 2024 467th CaedenHarper 🇨🇦 812 58 6 Aug 2024 467th codingisgreatbutiamnot 812 58 12 Aug 2024 467th plcc0 812 58 20 Feb 2025 467th albanian-laundromat 812 58 30 Jun 2025 467th SanderRuud 812 58 13 Jul 2025 467th edsrzf 🇳🇿 812 58 9 days ago 515th emplv 🇱🇻 811 67 14 Mar 2023 516th somebody1234 807 85 20 Nov 2018 516th dokutan 807 85 15 Jan 2024 516th Yewzir 🇧🇪 807 85 6 Feb 2024 519th ovs-code 🇩🇪 805 77 29 Jul 2024 520th lynn 804 34 13 Apr 2021 520th jared-hughes 804 34 30 Sep 2021 520th Natanaelel 🇸🇪 804 34 28 Nov 2023 520th SirBogman 🇺🇸 804 34 8 Jul 2025 520th fuzzylojik-golf 🇺🇸 804 34 14 days ago 525th sisyphus-ppcg 🇦🇺 803 91 18 May 2022 Prev 451–525 of 3,027 Next