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 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 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 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 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 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 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 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 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 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 Shanethegamer 🇺🇸 817 28 22 Jul 2022 452nd Constructor7 812 58 24 Feb 2018 452nd GolfingSuccess 🇬🇷 812 58 26 Mar 2018 452nd xnor-gate 812 58 12 Apr 2018 452nd kmaork 🇮🇱 812 58 18 Apr 2018 452nd edre 812 58 30 Apr 2018 452nd j55d 812 58 19 Sep 2018 452nd daedals 812 58 16 Apr 2019 452nd villfa 812 58 20 May 2019 452nd TFeld00 🇩🇰 812 58 31 May 2019 452nd marcin7Cd 812 58 27 Aug 2019 452nd jiaminglimjm 🇲🇾 812 58 12 Dec 2019 452nd SirBogman 🇺🇸 812 58 4 Jan 2020 452nd thisishowmymindworks 🇳🇴 812 58 22 Jul 2020 452nd ToriTheChicken 812 58 23 Jul 2020 452nd anter69 🇭🇺 812 58 14 Jan 2021 452nd HETHAT 🇩🇿 812 58 31 Jan 2021 452nd lynn 812 58 2 Mar 2021 452nd vezzick 812 58 7 Mar 2021 452nd Indivicivet 812 58 26 Mar 2021 452nd Larspolo 812 58 20 Jun 2021 452nd emplv 🇱🇻 812 58 31 Aug 2021 452nd jared-hughes 812 58 19 Sep 2021 452nd ovs-code 🇩🇪 812 58 1 Feb 2022 452nd MichaelMBradley 🇨🇦 812 58 11 Jun 2022 452nd bricknellj 812 58 29 Jun 2022 452nd janbehrens 🇩🇪 812 58 4 Jul 2022 452nd betaveros 812 58 9 Aug 2022 452nd 5quiwyrm 812 58 20 Aug 2022 452nd ItsMeNoobieboy 812 58 21 Dec 2022 452nd AlephSquirrel 812 58 28 Jan 2023 452nd scpchicken 🇵🇼 812 58 28 Jan 2023 452nd CheeseCake628 🇳🇴 812 58 16 Feb 2023 452nd Just4FunCoder 812 58 22 Mar 2023 452nd fourth-bit 812 58 11 Jul 2023 452nd RYNO8 812 58 22 Aug 2023 452nd Rubiksmath 812 58 25 Aug 2023 452nd ndren 812 58 1 Oct 2023 452nd Yewzir 🇧🇪 812 58 6 Oct 2023 452nd keelimeguy 🇺🇸 812 58 19 Oct 2023 452nd 1231234md5 🇨🇳 812 58 13 Dec 2023 452nd stackofbears 812 58 27 Dec 2023 452nd BREMAUCY 🇫🇷 812 58 25 Mar 2024 452nd CutSandstone 812 58 5 Jul 2024 452nd Bulmenisaurus 812 58 17 Jul 2024 452nd CaedenHarper 🇨🇦 812 58 6 Aug 2024 452nd codingisgreatbutiamnot 812 58 12 Aug 2024 452nd plcc0 812 58 20 Feb 2025 452nd albanian-laundromat 812 58 5 days ago 500th jared-hughes 812 122 15 Feb 2022 501st emplv 🇱🇻 810 67 14 Mar 2023 502nd somebody1234 807 85 20 Nov 2018 502nd dokutan 807 85 15 Jan 2024 502nd Yewzir 🇧🇪 807 85 6 Feb 2024 505th lynn 803 34 13 Apr 2021 505th jared-hughes 803 34 30 Sep 2021 505th Natanaelel 🇸🇪 803 34 28 Nov 2023 508th ovs-code 🇩🇪 803 77 29 Jul 2024 509th primo-ppcg 🇹🇭 801 61 9 Feb 2022 510th DialFrost 🇸🇬 800 62 21 Jan 2025 511th Bubbler-4 800 72 20 Feb 2019 511th xnor-gate 800 72 22 Dec 2021 511th tobeannouncd 800 72 11 Jan 2024 514th sisyphus-ppcg 🇦🇺 800 91 18 May 2022 514th ovs-code 🇩🇪 800 91 20 May 2022 514th inventshah 800 91 4 Jun 2022 514th nwellnhof 🇩🇪 800 91 8 Jul 2022 514th retrohun 800 91 30 Apr 2023 514th kritixilithos 800 91 22 May 2024 520th pardouin 🇫🇷 799 106 24 Aug 2024 521st kevinmchung 798 59 24 Feb 2018 521st benwilliamgraham 798 59 26 Jan 2019 521st mogron 798 59 13 Dec 2019 521st mortimervonchappuis 798 59 17 Mar 2020 521st OllieBoyne 🇬🇧 798 59 16 Jan 2021 Prev 451–525 of 2,879 Next