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 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 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 Star Wars GPT 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 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 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 Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 675th primo-ppcg 🇹🇭 726 41 2 Nov 2020 675th GrayJoKing 🇦🇺 726 41 27 Nov 2020 675th KatieLG 🇬🇧 726 41 9 Dec 2020 675th msbranicky 726 41 27 Jul 2023 675th dokutan 726 41 11 Nov 2023 675th AlephSquirrel 726 41 27 Jan 2025 682nd NewDefectus 🇮🇱 726 68 16 Dec 2021 683rd emplv 🇱🇻 725 93 29 Jun 2022 684th ZakkkkAttackkkk 🇵🇭 724 65 21 Dec 2021 684th bob-th 724 65 5 Aug 2022 684th btjones0 724 65 22 Nov 2022 684th falsidge 724 65 21 Jun 2023 684th snoozingnewt 🇺🇸 724 65 3 Oct 2023 684th bizy-coder 724 65 13 Aug 2024 690th msbranicky 723 60 17 Jan 2024 690th JunkIce 723 60 23 Feb 2025 692nd dokutan 723 90 12 Feb 2025 693rd phdphil 721 43 9 Apr 2018 694th RussellEmerine 720 80 30 Nov 2019 694th Natanaelel 🇸🇪 720 80 31 Mar 2022 696th ovs-code 🇩🇪 720 95 10 Jan 2023 697th retrohun 719 69 3 Nov 2024 698th lynn 719 87 7 Jul 2024 698th emgordon154 719 87 18 Feb 2025 698th edsrzf 🇳🇿 719 87 4 Mar 2025 701st yzhs 🇩🇪 718 38 21 Jun 2022 702nd Bubbler-4 716 49 13 Sep 2023 702nd ovs-code 🇩🇪 716 49 13 Sep 2023 704th GrayJoKing 🇦🇺 716 53 13 Sep 2021 704th primo-ppcg 🇹🇭 716 53 22 Sep 2021 706th jakzo 716 69 5 Sep 2021 706th Shanethegamer 🇺🇸 716 69 25 Apr 2023 708th duckyluuk 🇳🇱 716 73 16 Dec 2024 709th msbranicky 716 185 29 Aug 2023 710th Natanaelel 🇸🇪 715 32 22 Jul 2022 710th SirBogman 🇺🇸 715 32 10 Sep 2022 712th GrayJoKing 🇦🇺 714 72 14 Jun 2022 712th primo-ppcg 🇹🇭 714 72 21 Jun 2022 714th ovs-code 🇩🇪 714 98 17 Mar 2023 715th Attero 🇸🇪 713 66 25 Sep 2020 715th nstearns96 🇬🇧 713 66 15 Dec 2022 715th CornerMercury 🇬🇧 713 66 14 Feb 2025 718th namelessiw 712 61 5 Mar 2024 718th lifthrasiir 🇰🇷 712 61 2 Dec 2024 718th DialFrost 🇸🇬 712 61 26 Dec 2024 721st DialFrost 🇸🇬 712 76 26 Dec 2024 722nd ovs-code 🇩🇪 712 83 10 Oct 2023 723rd duckyluuk 🇳🇱 711 60 26 Oct 2024 724th Laar 711 81 1 Apr 2019 724th alomiF 711 81 5 Oct 2023 724th brimstonetrader 711 81 26 Jan 2024 727th jared-hughes 711 88 10 Nov 2022 727th kgodara 711 88 11 Mar 2023 727th ovs-code 🇩🇪 711 88 23 Jun 2023 727th DialFrost 🇸🇬 711 88 4 Feb 2025 731st KenanSi 710 31 24 Feb 2022 731st ashtraypettingzoo 🇺🇸 710 31 5 Apr 2023 733rd Alex-x90 🇺🇸 709 97 4 Dec 2022 733rd Herbert00709 🇵🇱 709 97 8 Jun 2024 735th MeWhenI 🇻🇦 708 89 28 Aug 2024 736th MeWhenI 🇻🇦 708 92 2 Oct 2022 737th GrayJoKing 🇦🇺 705 70 20 Sep 2021 737th 0x24a537r9 705 70 10 Sep 2022 739th GrayJoKing 🇦🇺 704 72 9 Apr 2022 740th Shanethegamer 🇺🇸 703 54 13 Sep 2021 741st itsjustfreekie 703 67 20 Sep 2021 741st Fishron 703 67 21 Oct 2021 741st fredrik-bakke 🇳🇴 703 67 29 Sep 2022 741st jakobkordez 🇸🇮 703 67 30 Oct 2022 741st jmerle 🇳🇱 703 67 16 Feb 2023 746th jared-hughes 702 82 11 Sep 2023 747th m-tkach 🇺🇦 702 98 9 Mar 2023 747th annaproxy 702 98 22 Oct 2023 749th saito-ta 🇯🇵 701 75 22 Jun 2022 749th inventshah 701 75 25 Jan 2023 Prev 676–750 of 2,726 Next