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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 750th ashtraypettingzoo 🇺🇸 710 31 5 Apr 2023 752nd Alex-x90 🇺🇸 709 97 4 Dec 2022 752nd Herbert00709 🇵🇱 709 97 8 Jun 2024 754th MeWhenI 🇻🇦 708 89 28 Aug 2024 755th MeWhenI 🇻🇦 708 92 2 Oct 2022 756th GrayJoKing 🇦🇺 706 70 20 Sep 2021 756th 0x24a537r9 706 70 10 Sep 2022 756th TRexOnGit 706 70 19 days ago 759th GrayJoKing 🇦🇺 704 72 9 Apr 2022 760th Shanethegamer 🇺🇸 703 54 13 Sep 2021 761st itsjustfreekie 703 67 20 Sep 2021 761st Fishron 703 67 21 Oct 2021 761st fredrik-bakke 🇳🇴 703 67 29 Sep 2022 761st jakobkordez 🇸🇮 703 67 30 Oct 2022 761st jmerle 🇳🇱 703 67 16 Feb 2023 766th jared-hughes 702 82 11 Sep 2023 767th m-tkach 🇺🇦 702 98 9 Mar 2023 767th annaproxy 702 98 22 Oct 2023 769th saito-ta 🇯🇵 701 75 22 Jun 2022 769th inventshah 701 75 25 Jan 2023 769th Yewzir 🇧🇪 701 75 22 Dec 2023 769th KasperKivimaeki 🇫🇮 701 75 5 Jan 2025 773rd sean-niemann 🇺🇸 700 61 30 Oct 2024 774th Yewzir 🇧🇪 700 62 4 Feb 2024 774th ovs-code 🇩🇪 700 62 2 Mar 2024 774th KatieLG 🇬🇧 700 62 28 Oct 2024 777th jmerle 🇳🇱 700 100 4 Jul 2023 778th MeWhenI 🇻🇦 698 69 10 Sep 2022 778th Yewzir 🇧🇪 698 69 22 Dec 2023 778th sean-niemann 🇺🇸 698 69 8 Oct 2024 781st jared-hughes 696 71 29 Oct 2021 781st stefangimmillaro 696 71 27 Aug 2022 781st SirFireball3521 696 71 28 Jan 2023 781st Maznek 696 71 19 Jun 2023 785th JunkIce 695 90 23 Feb 2025 786th Steffan153 🇫🇮 695 99 28 Jan 2023 786th ovs-code 🇩🇪 695 99 3 Jun 2024 786th roupiq 🇵🇱 695 99 8 Jun 2024 789th msbranicky 694 74 14 Aug 2023 790th retrohun 694 191 27 Dec 2022 791st xorraxrax 693 68 19 Oct 2019 791st NewDefectus 🇮🇱 693 68 1 Nov 2020 791st ydevor 🇮🇱 693 68 26 Nov 2020 791st jacklynnepenick 693 68 17 Aug 2021 791st aposteriorist 🇨🇦 693 68 6 Feb 2022 791st PowerR0 693 68 25 Aug 2022 791st SB-945 693 68 31 Mar 2024 791st Troon 693 68 11 Feb 2025 791st albanian-laundromat 693 68 15 days ago 800th sisyphus-ppcg 🇦🇺 692 43 3 Nov 2020 800th pandapawskat 692 43 20 Sep 2021 800th stefangimmillaro 692 43 23 Apr 2022 803rd o0lit3 🇺🇸 692 50 19 Apr 2021 803rd armin-k1 692 50 8 Sep 2021 805th Alex-x90 🇺🇸 692 76 3 Dec 2022 806th anter69 🇭🇺 690 55 10 Mar 2025 807th labster 689 45 23 Feb 2018 808th JDiLenarda 🇫🇷 689 61 9 Oct 2020 808th GrayJoKing 🇦🇺 689 61 13 Mar 2022 810th btnlq 689 63 15 Jul 2023 810th SirBogman 🇺🇸 689 63 15 Jan 2024 810th GolfingSuccess 🇬🇷 689 63 30 Jan 2024 813th gnuvince 688 32 2 Aug 2024 813th codereport 🇨🇦 688 32 21 Apr 2025 815th inventshah 688 70 9 Sep 2022 816th jared-hughes 688 100 20 Jul 2022 817th marshallward 🇺🇸 687 81 2 Sep 2022 818th JayXon 🇺🇸 687 102 15 Mar 2023 819th PatrickStephansen 🇿🇦 686 72 3 Nov 2020 819th KatieLG 🇬🇧 686 72 16 Apr 2021 819th neihousaigaai 686 72 18 Apr 2021 819th two-bad 🇬🇧 686 72 25 Feb 2024 823rd MeWhenI 🇻🇦 685 75 20 Jun 2022 824th rustyflamingo 684 49 22 Sep 2022 824th antimon2 🇯🇵 684 49 15 Oct 2022 Prev 751–825 of 2,829 Next