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 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 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 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 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 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 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 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 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 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 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 xorraxrax 693 68 19 Oct 2019 826th NewDefectus 🇮🇱 693 68 1 Nov 2020 826th ydevor 🇮🇱 693 68 26 Nov 2020 826th jacklynnepenick 693 68 17 Aug 2021 826th aposteriorist 🇨🇦 693 68 6 Feb 2022 826th PowerR0 693 68 25 Aug 2022 826th SB-945 693 68 31 Mar 2024 826th Troon 693 68 11 Feb 2025 834th sisyphus-ppcg 🇦🇺 692 43 3 Nov 2020 834th pandapawskat 692 43 20 Sep 2021 834th stefangimmillaro 692 43 23 Apr 2022 837th o0lit3 🇺🇸 692 50 19 Apr 2021 837th armin-k1 692 50 8 Sep 2021 839th Alex-x90 🇺🇸 692 76 3 Dec 2022 840th anter69 🇭🇺 690 55 10 Mar 2025 841st GrayJoKing 🇦🇺 690 61 13 Mar 2022 842nd btnlq 690 63 15 Jul 2023 842nd SirBogman 🇺🇸 690 63 15 Jan 2024 842nd GolfingSuccess 🇬🇷 690 63 30 Jan 2024 845th labster 689 45 23 Feb 2018 846th JDiLenarda 🇫🇷 689 61 9 Oct 2020 847th inventshah 689 70 9 Sep 2022 848th gnuvince 688 32 2 Aug 2024 848th codereport 🇨🇦 688 32 21 Apr 2025 850th marshallward 🇺🇸 688 81 2 Sep 2022 851st jared-hughes 688 100 20 Jul 2022 852nd JayXon 🇺🇸 688 102 15 Mar 2023 853rd PatrickStephansen 🇿🇦 686 72 3 Nov 2020 853rd KatieLG 🇬🇧 686 72 16 Apr 2021 853rd neihousaigaai 686 72 18 Apr 2021 853rd two-bad 🇬🇧 686 72 25 Feb 2024 857th MeWhenI 🇻🇦 686 75 20 Jun 2022 858th rustyflamingo 685 49 22 Sep 2022 858th antimon2 🇯🇵 685 49 15 Oct 2022 858th alemelis 685 49 1 Mar 2023 858th HPWiz 🇳🇿 685 49 9 Mar 2023 858th ovs-code 🇩🇪 685 49 24 Oct 2023 858th MarcMush 🇫🇷 685 49 5 Jan 2024 858th DialFrost 🇸🇬 685 49 5 Jan 2024 858th twolfive 685 49 5 Oct 2024 866th j-Ewan 683 40 22 Feb 2022 867th Espiobest 683 69 26 Feb 2021 867th cbondurant 683 69 10 May 2021 867th hellwue 683 69 8 Feb 2023 867th Vaekor 683 69 9 Jul 2023 867th jatloe 683 69 27 Sep 2024 872nd sean-niemann 🇺🇸 683 77 29 Nov 2022 873rd galloj 🇨🇿 683 107 28 Aug 2022 874th MeWhenI 🇻🇦 682 101 8 May 2022 874th janbehrens 🇩🇪 682 101 26 Nov 2023 876th sisyphus-ppcg 🇦🇺 681 67 2 Jul 2023 876th targrik 681 67 17 Jul 2025 878th retrohun 681 191 27 Dec 2022 879th Yewzir 🇧🇪 680 87 21 Jan 2024 879th rucin93 🇵🇱 680 87 22 Apr 2025 881st DialFrost 🇸🇬 680 93 16 Feb 2025 882nd MeWhenI 🇻🇦 679 62 11 Nov 2021 883rd m-tkach 🇺🇦 679 64 30 Jan 2024 884th inventshah 679 146 17 Jun 2022 885th Irratix 🇳🇱 678 56 25 Mar 2021 885th emgordon154 678 56 18 Nov 2024 887th emplv 🇱🇻 678 63 17 Jul 2025 888th didion0 🇺🇸 677 73 22 Apr 2021 888th itsh01 677 73 16 Aug 2021 888th c0d3-4-F00d 🇩🇪 677 73 5 Jan 2022 888th DaCuteRaccoon 677 73 30 Nov 2022 888th inventshah 677 73 28 Jan 2023 888th snoozingnewt 🇺🇸 677 73 1 Sep 2024 894th primo-ppcg 🇹🇭 676 105 3 Oct 2020 895th primo-ppcg 🇹🇭 675 57 27 Apr 2023 895th GrayJoKing 🇦🇺 675 57 20 Aug 2023 895th emgordon154 675 57 10 Jan 2025 895th sean-niemann 🇺🇸 675 57 21 Apr 2025 899th Irratix 🇳🇱 675 147 11 Dec 2021 900th Attero 🇸🇪 674 46 4 May 2020 Prev 826–900 of 2,987 Next