Happy Numbers (Long) 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 560th DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 562nd inventshah 822 98 538ms 10 Sep 2022 562nd MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 564th sean-niemann 🇺🇸 821 28 60ms 22 Jul 2022 564th lynn 821 28 70ms 22 Jul 2022 564th MeWhenI 🇻🇦 821 28 74ms 23 Jul 2022 564th sisyphus-ppcg 🇦🇺 821 28 62ms 24 Jul 2022 564th jared-hughes 821 28 59ms 29 Jul 2022 564th AlephSquirrel 821 28 69ms 30 Dec 2022 564th Steffan153 🇫🇮 821 28 60ms 12 Jan 2023 564th DialFrost 🇸🇬 821 28 61ms 28 Jan 2023 564th CornerMercury 🇬🇧 821 28 62ms 24 Aug 2023 564th ovs-code 🇩🇪 821 28 69ms 2 Feb 2024 564th snoozingnewt 🇨🇦 821 28 62ms 1 Sep 2024 564th pardouin 🇫🇷 821 28 63ms 21 Sep 2024 564th LostSyntax21 🇬🇧 821 28 64ms 8 Jan 2025 564th edsrzf 🇳🇿 821 28 60ms 9 Mar 2025 564th CaedenHarper 🇨🇦 821 28 63ms 14 Jul 2025 564th fuzzylojik-golf 🇺🇸 821 28 64ms 9 Sep 2025 564th blaztoma 🇱🇹 821 28 67ms 26 Dec 2025 581st sean-niemann 🇺🇸 819 86 2,516ms 30 Oct 2024 582nd sean-niemann 🇺🇸 818 92 166ms 8 Oct 2024 583rd Shanethegamer 🇺🇸 818 168 1,437ms 27 Mar 2025 584th jared-hughes 817 83 126ms 11 Sep 2023 585th Mabeloid 🇳🇴 817 122 128ms 31 Oct 2025 585th CaedenHarper 🇨🇦 817 122 123ms 1 Dec 2025 585th elgan65536 🇺🇸 817 122 119ms 7 Feb 2026 588th snyderek 🇺🇸 816 116 62ms 6 Oct 2024 589th error256 815 93 29ms 19 days ago 590th Shanethegamer 🇺🇸 815 101 436ms 13 Apr 2023 590th emgordon154 815 101 469ms 26 May 2025 592nd Yewzir 🇧🇪 815 107 39ms 14 Jan 2024 593rd m-tkach 🇺🇦 815 120 27ms 18 Dec 2023 594th bizy-coder 813 73 167ms 3 Oct 2024 594th Rubiksmath 813 73 155ms 19 Oct 2024 594th Seek64 🇩🇪 813 73 166ms 4 Dec 2025 597th snoozingnewt 🇨🇦 812 105 87ms 30 Sep 2025 598th janbehrens 🇩🇪 811 73 10ms 20 Sep 2021 598th didion0 🇺🇸 811 73 43ms 23 Nov 2021 598th KatieLG 🇬🇧 811 73 14ms 5 Apr 2022 598th emgordon154 811 73 10ms 7 Nov 2024 602nd edsrzf 🇳🇿 811 88 11ms 7 Jun 2025 603rd Shanethegamer 🇺🇸 810 93 151ms 20 Sep 2021 603rd Yewzir 🇧🇪 810 93 138ms 27 Mar 2024 605th GolfingSuccess 🇬🇷 809 117 60ms 19 Mar 2025 606th AdrienHache 🇫🇷 808 94 433ms 2 Jun 2023 606th GrayJoKing 🇦🇺 808 94 154ms 23 Oct 2023 606th billings7 🇬🇧 808 94 431ms 21 May 2024 609th AlephSquirrel 808 104 4ms 6 Aug 2024 610th MeWhenI 🇻🇦 807 71 64ms 5 Apr 2025 611th MeWhenI 🇻🇦 807 94 54ms 9 May 2024 612th kimbo 🇺🇸 807 146 295ms 12 Jan 2023 613th Shanethegamer 🇺🇸 805 100 11ms 10 Sep 2022 613th albanian-laundromat 805 100 11ms 24 Dec 2025 615th MeWhenI 🇻🇦 804 90 2ms 10 Oct 2023 616th frankgraziano 804 232 37ms 31 Oct 2025 617th jared-hughes 803 124 127ms 10 Nov 2022 617th Re-Adventures 🇮🇳 803 124 133ms 22 Jun 2023 619th xnor-gate 802 74 150ms 23 Oct 2023 619th csharpython 802 74 20ms 17 Jul 2025 621st AlephSquirrel 802 89 13ms 20 Apr 2023 622nd tailorspy 802 118 66ms 22 Sep 2024 622nd dokutan 802 118 65ms 6 Nov 2025 624th Steffan153 🇫🇮 801 95 21ms 21 Feb 2023 624th Waffle3z 801 95 2ms 26 Dec 2025 626th Shanethegamer 🇺🇸 800 31 6ms 13 Jan 2022 627th c0d3-4-F00d 🇩🇪 800 74 13ms 5 Jan 2022 627th Maznek 800 74 11ms 19 Jun 2023 627th thisishowmymindworks 🇳🇴 800 74 116ms 9 Jun 2024 627th snoozingnewt 🇨🇦 800 74 11ms 1 Sep 2024 627th blaztoma 🇱🇹 800 74 10ms 23 Nov 2025 632nd snoozingnewt 🇨🇦 799 66 14ms 1 Sep 2024 632nd LostSyntax21 🇬🇧 799 66 3ms 8 Jan 2025 634th clockworknazo 798 83 13ms 13 Oct 2022 634th ovs-code 🇩🇪 798 83 13ms 7 Feb 2023 636th brimstonetrader 798 85 122ms 26 Jan 2024 637th inventshah 798 158 415ms 8 Sep 2022 638th Natanaelel 🇸🇪 796 72 71ms 26 Sep 2023 639th snoozingnewt 🇨🇦 796 148 284ms 4 Feb 2024 640th msbranicky 795 91 3ms 11 Oct 2023 First Prev 561–640 of 2,096 Next Last