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 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 Mandelbrot 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 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 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 Mandelbrot 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 Chars Time 826th PatrickStephansen 🇿🇦 686 72 3 Nov 2020 826th KatieLG 🇬🇧 686 72 16 Apr 2021 826th neihousaigaai 686 72 18 Apr 2021 826th two-bad 🇬🇧 686 72 25 Feb 2024 830th rustyflamingo 685 49 22 Sep 2022 830th antimon2 🇯🇵 685 49 15 Oct 2022 830th alemelis 685 49 1 Mar 2023 830th HPWiz 🇳🇿 685 49 9 Mar 2023 830th ovs-code 🇩🇪 685 49 24 Oct 2023 830th MarcMush 🇫🇷 685 49 5 Jan 2024 830th DialFrost 🇸🇬 685 49 5 Jan 2024 830th twolfive 685 49 5 Oct 2024 838th MeWhenI 🇻🇦 685 75 20 Jun 2022 839th j-Ewan 683 40 22 Feb 2022 840th Espiobest 683 69 26 Feb 2021 840th cbondurant 683 69 10 May 2021 840th hellwue 683 69 8 Feb 2023 840th Vaekor 683 69 9 Jul 2023 840th jatloe 683 69 27 Sep 2024 840th Flekay 683 69 5 days ago 846th sean-niemann 🇺🇸 683 77 29 Nov 2022 847th sisyphus-ppcg 🇦🇺 681 67 2 Jul 2023 848th MeWhenI 🇻🇦 681 101 8 May 2022 848th janbehrens 🇩🇪 681 101 26 Nov 2023 850th galloj 🇨🇿 681 107 28 Aug 2022 851st Yewzir 🇧🇪 680 87 21 Jan 2024 851st rucin93 🇵🇱 680 87 22 Apr 2025 853rd m-tkach 🇺🇦 679 64 30 Jan 2024 854th Irratix 🇳🇱 678 56 25 Mar 2021 854th emgordon154 678 56 18 Nov 2024 856th MeWhenI 🇻🇦 678 62 11 Nov 2021 857th DialFrost 🇸🇬 678 93 16 Feb 2025 858th inventshah 678 146 17 Jun 2022 859th didion0 🇺🇸 677 73 22 Apr 2021 859th itsh01 677 73 16 Aug 2021 859th c0d3-4-F00d 🇩🇪 677 73 5 Jan 2022 859th DaCuteRaccoon 677 73 30 Nov 2022 859th inventshah 677 73 28 Jan 2023 859th snoozingnewt 🇺🇸 677 73 1 Sep 2024 865th primo-ppcg 🇹🇭 675 57 27 Apr 2023 865th GrayJoKing 🇦🇺 675 57 20 Aug 2023 865th emgordon154 675 57 10 Jan 2025 865th sean-niemann 🇺🇸 675 57 21 Apr 2025 869th primo-ppcg 🇹🇭 675 105 3 Oct 2020 870th Attero 🇸🇪 674 46 4 May 2020 871st marcin7Cd 674 78 17 May 2020 871st lynn 674 78 2 Oct 2021 871st Steffan153 🇫🇮 674 78 28 Jan 2023 874th annaproxy 674 80 5 May 2022 874th Yewzir 🇧🇪 674 80 8 May 2023 874th DialFrost 🇸🇬 674 80 26 Dec 2024 877th Irratix 🇳🇱 674 147 11 Dec 2021 878th gilufin 673 70 23 May 2021 878th kellantech 673 70 3 Jun 2023 878th 2011-Chan-Ethan 673 70 12 Jul 2023 878th Dataen 673 70 5 Jan 2024 882nd GrayJoKing 🇦🇺 672 88 9 Oct 2023 883rd HumanoidCPU 670 73 3 May 2024 884th janbehrens 🇩🇪 669 72 26 Nov 2023 885th GrayJoKing 🇦🇺 668 65 26 Jul 2023 885th MeWhenI 🇻🇦 668 65 17 Jan 2024 887th weliveinhell 🇭🇹 668 74 3 Sep 2023 887th Lv0Sys 🇵🇱 668 74 24 days ago 889th rucin93 🇵🇱 667 64 6 Sep 2024 890th jared-hughes 667 76 6 Mar 2022 891st inventshah 667 83 3 Nov 2022 892nd m-tkach 🇺🇦 665 79 9 Mar 2023 892nd ovs-code 🇩🇪 665 79 24 Mar 2024 892nd dokutan 665 79 1 May 2024 892nd xsot 🇸🇬 665 79 23 May 2024 892nd DialFrost 🇸🇬 665 79 17 Dec 2024 897th Shanethegamer 🇺🇸 665 89 9 Oct 2023 897th MeWhenI 🇻🇦 665 89 10 Oct 2023 899th tnecio 663 71 29 Apr 2021 899th commandblockguy 🇺🇸 663 71 30 Sep 2022 Prev 826–900 of 2,872 Next