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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 666th albanian-laundromat 813 86 20ms 17 Jun 2025 677th Shanethegamer 🇺🇸 813 100 122ms 19 Sep 2021 677th MichalMarsalek 🇨🇿 813 100 125ms 3 Mar 2022 679th KenanSi 812 32 5ms 24 Feb 2022 679th ashtraypettingzoo 🇺🇸 812 32 6ms 5 Apr 2023 681st ovs-code 🇩🇪 812 66 11ms 15 Aug 2024 681st sisyphus-ppcg 🇦🇺 812 66 16ms 19 Aug 2024 683rd targrik 811 81 37ms 18 Jul 2025 684th OhmNomNom 810 59 40ms 20 Oct 2022 684th AlephSquirrel 810 59 74ms 14 Apr 2023 684th SirBogman 🇺🇸 810 59 60ms 10 Jan 2024 684th error256 810 59 64ms 13 May 2024 688th Alessandro-Balconi 🇮🇹 810 77 79ms 14 Jul 2023 689th elgan65536 810 123 124ms 5 Mar 2024 690th NewDefectus 🇮🇱 809 54 68ms 15 Dec 2021 690th LostSyntax21 🇬🇧 809 54 147ms 8 Jan 2025 692nd Shanethegamer 🇺🇸 809 100 12ms 10 Sep 2022 693rd AlephSquirrel 809 104 4ms 6 Aug 2024 694th snyderek 🇺🇸 809 116 54ms 6 Oct 2024 695th msbranicky 808 91 4ms 11 Oct 2023 696th MeWhenI 🇻🇦 808 93 20ms 2 Oct 2022 697th Yewzir 🇧🇪 807 83 469ms 15 Jan 2024 698th AlephSquirrel 807 89 14ms 20 Apr 2023 699th Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 700th GrayJoKing 🇦🇺 804 72 154ms 3 Aug 2024 701st scpchicken 🇵🇼 804 87 264ms 12 Jan 2022 701st JuliaSzulc 804 87 23ms 16 Mar 2022 701st LHuitre 804 87 21ms 5 Jun 2022 701st betaveros 804 87 377ms 1 Jan 2023 701st croc54 804 87 234ms 8 Jan 2025 701st LostSyntax21 🇬🇧 804 87 207ms 8 Mar 2025 701st andrewjc2000 804 87 21ms 11 Aug 2025 708th jared-hughes 804 124 128ms 10 Nov 2022 708th Re-Adventures 🇮🇳 804 124 127ms 22 Jun 2023 710th snoozingnewt 🇺🇸 804 148 258ms 4 Feb 2024 711th frankgraziano 803 232 36ms 7 days ago 712th Natanaelel 🇸🇪 802 72 78ms 26 Sep 2023 713th c0d3-4-F00d 🇩🇪 802 74 13ms 5 Jan 2022 713th Maznek 802 74 14ms 19 Jun 2023 713th thisishowmymindworks 🇳🇴 802 74 134ms 9 Jun 2024 713th snoozingnewt 🇺🇸 802 74 13ms 1 Sep 2024 717th GolfingSuccess 🇬🇷 802 117 61ms 19 Mar 2025 718th GolfingSuccess 🇬🇷 802 172 857ms 19 Jan 2025 719th brimstonetrader 801 85 139ms 26 Jan 2024 720th albanian-laundromat 801 101 12ms 23 Sep 2025 721st inventshah 801 158 411ms 8 Sep 2022 722nd primo-ppcg 🇹🇭 800 61 402ms 9 Feb 2022 723rd DialFrost 🇸🇬 799 63 257ms 21 Jan 2025 724th MeWhenI 🇻🇦 798 100 109ms 15 Oct 2022 725th Shanethegamer 🇺🇸 798 105 17ms 17 Dec 2023 726th DialFrost 🇸🇬 798 149 263ms 28 Jan 2023 726th LostSyntax21 🇬🇧 798 149 263ms 8 Jan 2025 728th Shanethegamer 🇺🇸 797 60 160ms 19 Sep 2021 728th adoxography 797 60 48ms 18 Dec 2021 728th jared-hughes 797 60 41ms 9 Sep 2022 731st sisyphus-ppcg 🇦🇺 797 96 14ms 7 Apr 2022 731st DialFrost 🇸🇬 797 96 18ms 31 Oct 2024 731st sean-niemann 🇺🇸 797 96 21ms 9 Apr 2025 731st edsrzf 🇳🇿 797 96 12ms 26 Jul 2025 735th namelessiw 796 118 361ms 6 Oct 2025 736th Waffle3z 795 88 26ms 19 Sep 2021 736th TaserTheFox 🇺🇸 795 88 21ms 28 Feb 2023 736th tobyLovick 795 88 21ms 12 Dec 2023 736th Dataen 795 88 354ms 12 Jan 2024 736th yuchuehw 795 88 30ms 28 Jan 2024 736th Masttest 795 88 21ms 13 Feb 2024 736th Flekay 🇩🇪 795 88 28ms 11 Jul 2025 736th dirckvdende 795 88 412ms 2 Aug 2025 744th MeWhenI 🇻🇦 795 110 43ms 17 Feb 2023 745th tailorspy 795 118 60ms 22 Sep 2024 745th dokutan 795 118 59ms 29 hours ago 747th mousetail 🇳🇱 794 55 20ms 15 Jan 2024 748th NewDefectus 🇮🇱 794 88 2ms 16 Dec 2021 749th Shanethegamer 🇺🇸 794 97 401ms 20 Jun 2022 749th billings7 🇬🇧 794 97 387ms 21 May 2024 First Prev 676–750 of 1,987 Next Last