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 Topological Sort 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 826th o0lit3 🇺🇸 692 50 19 Apr 2021 826th armin-k1 692 50 8 Sep 2021 828th Alex-x90 🇺🇸 692 76 3 Dec 2022 829th anter69 🇭🇺 690 55 10 Mar 2025 830th labster 689 45 23 Feb 2018 831st JDiLenarda 🇫🇷 689 61 9 Oct 2020 831st GrayJoKing 🇦🇺 689 61 13 Mar 2022 833rd btnlq 689 63 15 Jul 2023 833rd SirBogman 🇺🇸 689 63 15 Jan 2024 833rd GolfingSuccess 🇬🇷 689 63 30 Jan 2024 836th inventshah 689 70 9 Sep 2022 837th gnuvince 688 32 2 Aug 2024 837th codereport 🇨🇦 688 32 21 Apr 2025 839th jared-hughes 688 100 20 Jul 2022 840th marshallward 🇺🇸 687 81 2 Sep 2022 841st JayXon 🇺🇸 687 102 15 Mar 2023 842nd PatrickStephansen 🇿🇦 686 72 3 Nov 2020 842nd KatieLG 🇬🇧 686 72 16 Apr 2021 842nd neihousaigaai 686 72 18 Apr 2021 842nd two-bad 🇬🇧 686 72 25 Feb 2024 846th MeWhenI 🇻🇦 686 75 20 Jun 2022 847th rustyflamingo 685 49 22 Sep 2022 847th antimon2 🇯🇵 685 49 15 Oct 2022 847th alemelis 685 49 1 Mar 2023 847th HPWiz 🇳🇿 685 49 9 Mar 2023 847th ovs-code 🇩🇪 685 49 24 Oct 2023 847th MarcMush 🇫🇷 685 49 5 Jan 2024 847th DialFrost 🇸🇬 685 49 5 Jan 2024 847th twolfive 685 49 5 Oct 2024 855th j-Ewan 683 40 22 Feb 2022 856th Espiobest 683 69 26 Feb 2021 856th cbondurant 683 69 10 May 2021 856th hellwue 683 69 8 Feb 2023 856th Vaekor 683 69 9 Jul 2023 856th jatloe 683 69 27 Sep 2024 861st sean-niemann 🇺🇸 683 77 29 Nov 2022 862nd MeWhenI 🇻🇦 682 101 8 May 2022 862nd janbehrens 🇩🇪 682 101 26 Nov 2023 864th galloj 🇨🇿 682 107 28 Aug 2022 865th sisyphus-ppcg 🇦🇺 681 67 2 Jul 2023 865th targrik 681 67 8 days ago 867th Yewzir 🇧🇪 680 87 21 Jan 2024 867th rucin93 🇵🇱 680 87 22 Apr 2025 869th m-tkach 🇺🇦 679 64 30 Jan 2024 870th inventshah 679 146 17 Jun 2022 871st Irratix 🇳🇱 678 56 25 Mar 2021 871st emgordon154 678 56 18 Nov 2024 873rd MeWhenI 🇻🇦 678 62 11 Nov 2021 874th emplv 🇱🇻 678 63 8 days ago 875th DialFrost 🇸🇬 678 93 16 Feb 2025 876th didion0 🇺🇸 677 73 22 Apr 2021 876th itsh01 677 73 16 Aug 2021 876th c0d3-4-F00d 🇩🇪 677 73 5 Jan 2022 876th DaCuteRaccoon 677 73 30 Nov 2022 876th inventshah 677 73 28 Jan 2023 876th snoozingnewt 🇺🇸 677 73 1 Sep 2024 882nd primo-ppcg 🇹🇭 675 57 27 Apr 2023 882nd GrayJoKing 🇦🇺 675 57 20 Aug 2023 882nd emgordon154 675 57 10 Jan 2025 882nd sean-niemann 🇺🇸 675 57 21 Apr 2025 886th primo-ppcg 🇹🇭 675 105 3 Oct 2020 887th Attero 🇸🇪 674 46 4 May 2020 888th marcin7Cd 674 78 17 May 2020 888th lynn 674 78 2 Oct 2021 888th Steffan153 🇫🇮 674 78 28 Jan 2023 891st annaproxy 674 80 5 May 2022 891st Yewzir 🇧🇪 674 80 8 May 2023 891st DialFrost 🇸🇬 674 80 26 Dec 2024 894th Irratix 🇳🇱 674 147 11 Dec 2021 895th gilufin 673 70 23 May 2021 895th kellantech 673 70 3 Jun 2023 895th 2011-Chan-Ethan 673 70 12 Jul 2023 895th Dataen 673 70 5 Jan 2024 899th GrayJoKing 🇦🇺 672 88 9 Oct 2023 900th HumanoidCPU 670 73 3 May 2024 Prev 826–900 of 2,901 Next