Happy Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Erlang 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 Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Minesweeper 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 901st MeWhenI 🇻🇦 687 75 35ms 20 Jun 2022 902nd PatrickStephansen 🇿🇦 686 72 10ms 3 Nov 2020 902nd KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 902nd neihousaigaai 686 72 10ms 18 Apr 2021 902nd two-bad 🇬🇧 686 72 10ms 25 Feb 2024 906th rustyflamingo 685 49 492ms 22 Sep 2022 906th antimon2 🇯🇵 685 49 499ms 15 Oct 2022 906th alemelis 685 49 503ms 1 Mar 2023 906th HPWiz 🇳🇿 685 49 497ms 9 Mar 2023 906th ovs-code 🇩🇪 685 49 483ms 24 Oct 2023 906th MarcMush 🇫🇷 685 49 478ms 5 Jan 2024 906th DialFrost 🇸🇬 685 49 499ms 5 Jan 2024 906th twolfive 685 49 502ms 5 Oct 2024 914th DialFrost 🇸🇬 685 93 41ms 16 Feb 2025 915th galloj 🇨🇿 684 107 1ms 28 Aug 2022 916th j-Ewan 683 40 33ms 22 Feb 2022 917th Espiobest 683 69 16ms 26 Feb 2021 917th cbondurant 683 69 9ms 10 May 2021 917th hellwue 683 69 9ms 8 Feb 2023 917th Vaekor 683 69 9ms 9 Jul 2023 917th jatloe 683 69 75ms 27 Sep 2024 922nd sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 923rd MeWhenI 🇻🇦 683 101 51ms 8 May 2022 923rd janbehrens 🇩🇪 683 101 49ms 26 Nov 2023 925th retrohun 682 191 10ms 27 Dec 2022 926th sisyphus-ppcg 🇦🇺 681 67 5ms 2 Jul 2023 926th targrik 681 67 4ms 17 Jul 2025 928th m-tkach 🇺🇦 680 64 323ms 30 Jan 2024 929th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 930th Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 930th emgordon154 678 56 911ms 18 Nov 2024 932nd emplv 🇱🇻 678 63 131ms 17 Jul 2025 933rd didion0 🇺🇸 677 73 12ms 22 Apr 2021 933rd itsh01 677 73 12ms 16 Aug 2021 933rd c0d3-4-F00d 🇩🇪 677 73 9ms 5 Jan 2022 933rd DaCuteRaccoon 677 73 9ms 30 Nov 2022 933rd inventshah 677 73 8ms 28 Jan 2023 933rd Yax42 🇫🇷 677 73 9ms 12 Nov 2025 939th primo-ppcg 🇹🇭 677 105 1ms 3 Oct 2020 940th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 940th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 940th emgordon154 676 57 4ms 10 Jan 2025 940th sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 940th kg583 🇺🇸 676 57 3ms 26 Sep 2025 940th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 946th Attero 🇸🇪 675 46 143ms 4 May 2020 947th annaproxy 675 80 317ms 5 May 2022 947th Yewzir 🇧🇪 675 80 306ms 8 May 2023 947th DialFrost 🇸🇬 675 80 348ms 26 Dec 2024 950th marcin7Cd 674 78 2ms 17 May 2020 950th lynn 674 78 2ms 2 Oct 2021 950th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 950th AZTECCO 674 78 2ms 16 Sep 2025 954th gilufin 673 70 74ms 23 May 2021 954th kellantech 673 70 9ms 3 Jun 2023 954th 2011-Chan-Ethan 673 70 79ms 12 Jul 2023 954th Dataen 673 70 9ms 5 Jan 2024 954th katss2 673 70 12ms 14 Aug 2025 959th DialFrost 🇸🇬 672 58 678ms 1 Sep 2025 960th HumanoidCPU 672 73 63ms 3 May 2024 961st janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 962nd GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 963rd MeWhenI 🇻🇦 669 65 357ms 17 Jan 2024 964th weliveinhell 🇭🇹 668 74 9ms 3 Sep 2023 965th inventshah 668 83 3ms 3 Nov 2022 966th rucin93 🇵🇱 667 64 129ms 6 Sep 2024 967th jared-hughes 667 76 1ms 6 Mar 2022 968th m-tkach 🇺🇦 666 79 1ms 9 Mar 2023 968th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 968th dokutan 666 79 1ms 1 May 2024 968th xsot 🇸🇬 666 79 2ms 23 May 2024 968th DialFrost 🇸🇬 666 79 11ms 17 Dec 2024 968th Yax42 🇫🇷 666 79 1ms 15 Oct 2025 974th GolfingSuccess 🇬🇷 666 110 1ms 13 May 2022 975th tnecio 664 71 9ms 29 Apr 2021 First Prev 901–975 of 3,122 Next Last