Happy Numbers (Long) in all languages in bytes. 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 599th two-bad 🇬🇧 824 72 25 Feb 2024 602nd MeWhenI 🇻🇦 823 53 19 Sep 2021 602nd GrayJoKing 🇦🇺 823 53 20 Sep 2021 602nd sean-niemann 🇺🇸 823 53 20 Sep 2021 602nd scpchicken 🇵🇼 823 53 19 Dec 2022 602nd Steffan153 🇫🇮 823 53 27 Jan 2023 602nd DialFrost 🇸🇬 823 53 28 Jan 2023 602nd snoozingnewt 🇺🇸 823 53 1 Sep 2024 609th Fishron 823 85 21 Oct 2021 609th aposteriorist 🇨🇦 823 85 6 Feb 2022 609th TFeld00 🇩🇰 823 85 22 Apr 2022 609th Ailko 🇧🇪 823 85 5 May 2022 609th tkr-sh 🇫🇷 823 85 17 May 2022 609th 051 🇸🇬 823 85 19 Aug 2022 609th trist224 🇫🇷 823 85 18 Oct 2022 609th Ripick 823 85 1 Feb 2023 609th jmerle 🇳🇱 823 85 16 Feb 2023 609th fkantelberg 823 85 7 Aug 2023 609th minhtrancccp 823 85 1 Nov 2023 609th wen1now 823 85 6 Nov 2023 609th elgan65536 823 85 28 Nov 2023 609th stertooy 🇧🇪 823 85 14 Jun 2024 609th FranklinJiaChen 823 85 5 Aug 2024 609th keelimeguy 🇺🇸 823 85 17 May 2025 609th KasperKivimaeki 🇫🇮 823 85 2 Jul 2025 626th Shanethegamer 🇺🇸 823 114 18 Dec 2022 626th Yewzir 🇧🇪 823 114 14 Jan 2024 628th andersk 🇺🇸 822 121 31 Oct 2022 629th sean-niemann 🇺🇸 821 86 30 Oct 2024 630th jared-hughes 819 83 11 Sep 2023 631st AdrienHache 🇫🇷 818 94 2 Jun 2023 632nd Yewzir 🇧🇪 818 107 14 Jan 2024 633rd Shanethegamer 🇺🇸 818 168 27 Mar 2025 634th snoozingnewt 🇺🇸 817 66 1 Sep 2024 634th LostSyntax21 🇬🇧 817 66 8 Jan 2025 636th Shanethegamer 🇺🇸 817 90 9 Oct 2023 636th MeWhenI 🇻🇦 817 90 10 Oct 2023 638th dokutan 816 82 24 Dec 2024 639th Natanaelel 🇸🇪 815 33 22 Jul 2022 639th SirBogman 🇺🇸 815 33 10 Sep 2022 641st Shanethegamer 🇺🇸 815 101 13 Apr 2023 641st emgordon154 815 101 26 May 2025 643rd kimbo 🇺🇸 814 146 12 Jan 2023 643rd albanian-laundromat 814 146 7 Jul 2025 645th MeWhenI 🇻🇦 813 71 5 Apr 2025 646th janbehrens 🇩🇪 813 73 20 Sep 2021 646th didion0 🇺🇸 813 73 23 Nov 2021 646th KatieLG 🇬🇧 813 73 5 Apr 2022 646th emgordon154 813 73 7 Nov 2024 650th andre-lameirinhas 🇵🇹 813 86 4 Nov 2021 650th RYNO8 813 86 16 Aug 2022 650th LeeCamp 813 86 15 Jan 2023 650th vishwathg 813 86 4 Feb 2023 650th cros107 813 86 11 Oct 2023 650th logvp 813 86 12 Jan 2024 650th Bmrl7 813 86 29 Feb 2024 650th Grrisly 813 86 29 Mar 2024 650th SB-945 813 86 31 Mar 2024 650th resoNathan 813 86 18 Jul 2024 650th albanian-laundromat 813 86 17 Jun 2025 661st edsrzf 🇳🇿 813 88 7 Jun 2025 662nd m-tkach 🇺🇦 813 120 18 Dec 2023 663rd KenanSi 812 32 24 Feb 2022 663rd ashtraypettingzoo 🇺🇸 812 32 5 Apr 2023 665th ovs-code 🇩🇪 812 66 15 Aug 2024 665th sisyphus-ppcg 🇦🇺 812 66 19 Aug 2024 667th Shanethegamer 🇺🇸 812 100 19 Sep 2021 667th MichalMarsalek 🇨🇿 812 100 3 Mar 2022 669th Apataras 812 157 20 days ago 670th OhmNomNom 810 59 20 Oct 2022 670th AlephSquirrel 810 59 14 Apr 2023 670th SirBogman 🇺🇸 810 59 10 Jan 2024 670th error256 810 59 13 May 2024 674th targrik 810 81 18 Jul 2025 675th Alessandro-Balconi 🇮🇹 809 77 14 Jul 2023 Prev 601–675 of 1,923 Next