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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 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 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 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 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 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 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 744th kumavale 722 87 151ms 17 Aug 2025 752nd dokutan 722 91 371ms 24 Sep 2025 753rd RussellEmerine 721 80 155ms 30 Nov 2019 753rd iczelia 🇩🇪 721 80 173ms 5 days ago 755th duckyluuk 🇳🇱 720 73 5ms 16 Dec 2024 756th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 757th retrohun 719 69 7ms 3 Nov 2024 758th Bubbler-4 717 49 69ms 13 Sep 2023 758th ovs-code 🇩🇪 717 49 79ms 13 Sep 2023 760th GrayJoKing 🇦🇺 717 53 1,018ms 13 Sep 2021 760th primo-ppcg 🇹🇭 717 53 1,005ms 22 Sep 2021 762nd jakzo 716 69 19ms 5 Sep 2021 762nd Shanethegamer 🇺🇸 716 69 11ms 25 Apr 2023 764th ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 765th Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 765th SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 767th GrayJoKing 🇦🇺 715 72 45ms 14 Jun 2022 767th primo-ppcg 🇹🇭 715 72 39ms 21 Jun 2022 769th DialFrost 🇸🇬 715 76 129ms 26 Dec 2024 770th duckyluuk 🇳🇱 714 60 2,687ms 26 Oct 2024 771st Attero 🇸🇪 714 66 51ms 25 Sep 2020 771st nstearns96 🇬🇧 714 66 15ms 15 Dec 2022 773rd namelessiw 713 61 337ms 5 Mar 2024 773rd lifthrasiir 🇰🇷 713 61 402ms 2 Dec 2024 773rd DialFrost 🇸🇬 713 61 426ms 26 Dec 2024 776th ovs-code 🇩🇪 713 83 5ms 10 Oct 2023 777th jared-hughes 713 88 129ms 10 Nov 2022 777th kgodara 713 88 127ms 11 Mar 2023 779th MeWhenI 🇻🇦 713 89 50ms 28 Aug 2024 780th Laar 712 81 177ms 1 Apr 2019 780th alomiF 712 81 171ms 5 Oct 2023 780th brimstonetrader 712 81 134ms 26 Jan 2024 783rd KenanSi 710 31 3ms 24 Feb 2022 783rd ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 785th MeWhenI 🇻🇦 710 92 8ms 2 Oct 2022 786th Alex-x90 🇺🇸 710 97 66ms 4 Dec 2022 786th Herbert00709 🇵🇱 710 97 63ms 8 Jun 2024 788th GrayJoKing 🇦🇺 706 70 13ms 20 Sep 2021 788th 0x24a537r9 706 70 13ms 10 Sep 2022 788th TRexOnGit 706 70 11ms 2 May 2025 788th Protothor 706 70 9ms 9 Jul 2025 792nd GrayJoKing 🇦🇺 705 72 2ms 9 Apr 2022 793rd msbranicky 704 185 10ms 29 Aug 2023 794th Shanethegamer 🇺🇸 703 54 890ms 13 Sep 2021 795th itsjustfreekie 703 67 77ms 20 Sep 2021 795th Fishron 703 67 68ms 21 Oct 2021 795th fredrik-bakke 🇳🇴 703 67 83ms 29 Sep 2022 795th jakobkordez 🇸🇮 703 67 18ms 30 Oct 2022 795th jmerle 🇳🇱 703 67 75ms 16 Feb 2023 800th jared-hughes 703 82 158ms 11 Sep 2023 801st m-tkach 🇺🇦 703 98 65ms 9 Mar 2023 801st annaproxy 703 98 71ms 22 Oct 2023 803rd sean-niemann 🇺🇸 702 61 2,572ms 30 Oct 2024 804th jmerle 🇳🇱 702 100 7ms 4 Jul 2023 805th Yewzir 🇧🇪 701 62 395ms 4 Feb 2024 805th ovs-code 🇩🇪 701 62 412ms 2 Mar 2024 805th KatieLG 🇬🇧 701 62 424ms 28 Oct 2024 808th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 808th inventshah 701 75 2ms 25 Jan 2023 808th Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 808th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 812th dbut2 🇦🇺 701 121 265ms 15 Jul 2025 813th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 813th Yewzir 🇧🇪 700 69 3ms 22 Dec 2023 813th sean-niemann 🇺🇸 700 69 3ms 8 Oct 2024 813th albanian-laundromat 700 69 2ms 24 Jun 2025 817th jared-hughes 699 94 453ms 24 Sep 2025 818th JunkIce 698 90 139ms 23 Feb 2025 818th dokutan 698 90 133ms 23 Jul 2025 820th jared-hughes 696 71 10ms 29 Oct 2021 820th stefangimmillaro 696 71 9ms 27 Aug 2022 820th SirFireball3521 696 71 9ms 28 Jan 2023 820th Maznek 696 71 12ms 19 Jun 2023 820th KrausRaus 🇺🇸 696 71 10ms 11 days ago 825th msbranicky 696 74 78ms 14 Aug 2023 First Prev 751–825 of 3,059 Next Last