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 Continued Fractions Crossword 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 Continued Fractions Crossword 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 674th LeeCamp 813 86 206ms 15 Jan 2023 674th vishwathg 813 86 302ms 4 Feb 2023 674th cros107 🇦🇺 813 86 243ms 11 Oct 2023 674th logvp 813 86 3,042ms 12 Jan 2024 674th Bmrl7 813 86 15ms 29 Feb 2024 674th Grrisly 813 86 262ms 29 Mar 2024 674th SB-945 813 86 19ms 31 Mar 2024 674th resoNathan 813 86 14ms 18 Jul 2024 684th Shanethegamer 🇺🇸 813 100 122ms 19 Sep 2021 684th MichalMarsalek 🇨🇿 813 100 125ms 3 Mar 2022 686th KenanSi 812 32 6ms 24 Feb 2022 686th ashtraypettingzoo 🇺🇸 812 32 5ms 5 Apr 2023 688th ovs-code 🇩🇪 812 66 11ms 15 Aug 2024 688th sisyphus-ppcg 🇦🇺 812 66 16ms 19 Aug 2024 690th targrik 811 81 38ms 18 Jul 2025 691st OhmNomNom 810 59 40ms 20 Oct 2022 691st AlephSquirrel 810 59 74ms 14 Apr 2023 691st SirBogman 🇺🇸 810 59 60ms 10 Jan 2024 691st error256 810 59 64ms 13 May 2024 695th Alessandro-Balconi 🇮🇹 810 77 79ms 14 Jul 2023 696th elgan65536 810 123 129ms 5 Mar 2024 697th NewDefectus 🇮🇱 809 54 68ms 15 Dec 2021 697th LostSyntax21 🇬🇧 809 54 147ms 8 Jan 2025 699th MeWhenI 🇻🇦 809 93 19ms 2 Oct 2022 700th Shanethegamer 🇺🇸 809 100 12ms 10 Sep 2022 701st AlephSquirrel 809 104 4ms 6 Aug 2024 702nd snyderek 🇺🇸 809 116 52ms 6 Oct 2024 703rd Yewzir 🇧🇪 808 83 469ms 15 Jan 2024 704th AlephSquirrel 807 89 15ms 20 Apr 2023 705th MeWhenI 🇻🇦 806 90 2ms 10 Oct 2023 706th frankgraziano 806 232 37ms 22 days ago 707th Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 708th GrayJoKing 🇦🇺 804 72 152ms 3 Aug 2024 709th scpchicken 🇵🇼 804 87 222ms 12 Jan 2022 709th JuliaSzulc 804 87 20ms 16 Mar 2022 709th LHuitre 804 87 21ms 5 Jun 2022 709th betaveros 804 87 378ms 1 Jan 2023 709th croc54 804 87 220ms 8 Jan 2025 709th LostSyntax21 🇬🇧 804 87 196ms 8 Mar 2025 709th andrewjc2000 804 87 19ms 11 Aug 2025 716th jared-hughes 804 124 131ms 10 Nov 2022 716th Re-Adventures 🇮🇳 804 124 125ms 22 Jun 2023 718th snoozingnewt 🇺🇸 804 148 258ms 4 Feb 2024 719th Natanaelel 🇸🇪 802 72 78ms 26 Sep 2023 720th c0d3-4-F00d 🇩🇪 802 74 15ms 5 Jan 2022 720th Maznek 802 74 11ms 19 Jun 2023 720th thisishowmymindworks 🇳🇴 802 74 109ms 9 Jun 2024 720th snoozingnewt 🇺🇸 802 74 14ms 1 Sep 2024 724th GolfingSuccess 🇬🇷 802 117 58ms 19 Mar 2025 725th GolfingSuccess 🇬🇷 802 172 525ms 19 Jan 2025 726th brimstonetrader 801 85 139ms 26 Jan 2024 727th albanian-laundromat 801 101 12ms 23 Sep 2025 728th inventshah 801 158 411ms 8 Sep 2022 729th primo-ppcg 🇹🇭 800 61 402ms 9 Feb 2022 730th DialFrost 🇸🇬 799 63 239ms 21 Jan 2025 731st MeWhenI 🇻🇦 798 100 105ms 15 Oct 2022 732nd Shanethegamer 🇺🇸 798 105 17ms 17 Dec 2023 733rd DialFrost 🇸🇬 798 149 263ms 28 Jan 2023 733rd LostSyntax21 🇬🇧 798 149 263ms 8 Jan 2025 735th Shanethegamer 🇺🇸 797 60 160ms 19 Sep 2021 735th adoxography 797 60 48ms 18 Dec 2021 735th jared-hughes 797 60 41ms 9 Sep 2022 738th msbranicky 797 91 3ms 11 Oct 2023 739th sisyphus-ppcg 🇦🇺 797 96 14ms 7 Apr 2022 739th DialFrost 🇸🇬 797 96 18ms 31 Oct 2024 739th sean-niemann 🇺🇸 797 96 21ms 9 Apr 2025 739th edsrzf 🇳🇿 797 96 12ms 26 Jul 2025 743rd namelessiw 796 118 354ms 6 Oct 2025 743rd dokutan 796 118 357ms 4 days ago 745th Waffle3z 795 88 20ms 19 Sep 2021 745th TaserTheFox 🇺🇸 795 88 22ms 28 Feb 2023 745th tobyLovick 795 88 19ms 12 Dec 2023 745th Dataen 795 88 289ms 12 Jan 2024 745th yuchuehw 795 88 19ms 28 Jan 2024 745th Masttest 795 88 20ms 13 Feb 2024 First Prev 676–750 of 2,003 Next Last