Happy Numbers (Long) in all languages in bytes. 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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 375th prplz 🇦🇺 874 80 205ms 18 Dec 2021 375th inventshah 874 80 300ms 10 May 2022 375th KatieLG 🇬🇧 874 80 298ms 5 Nov 2022 375th jhu04 874 80 285ms 18 Jan 2024 375th jtaxen 874 80 286ms 4 Apr 2024 375th duckyluuk 🇳🇱 874 80 196ms 20 Jun 2024 375th namelessiw 874 80 217ms 14 Jul 2024 375th fgrosshans 🇫🇷 874 80 293ms 23 Jul 2024 375th EnTerr 874 80 188ms 8 Sep 2024 375th zacjl 874 80 20ms 12 Apr 2025 375th CornerMercury 🇬🇧 874 80 215ms 6 Oct 2025 387th Lydxn 🇨🇦 874 84 2ms 10 Oct 2023 388th Steffan153 🇫🇮 874 91 491ms 17 Dec 2022 389th steffan-polygolf 874 98 78ms 19 Feb 2024 390th stefangimmillaro 874 114 123ms 19 Oct 2023 390th kumavale 874 114 131ms 3 days ago 392nd o0lit3 🇺🇸 873 50 87ms 19 Sep 2021 392nd primo-ppcg 🇹🇭 873 50 139ms 20 Sep 2021 392nd nwellnhof 🇩🇪 873 50 70ms 26 Dec 2021 392nd Lydxn 🇨🇦 873 50 157ms 25 May 2022 392nd saito-ta 🇯🇵 873 50 154ms 27 May 2022 397th prplz 🇦🇺 873 68 10ms 27 Sep 2021 398th fuzzylojik-golf 🇺🇸 873 78 176ms 15 Sep 2025 399th pardouin 🇫🇷 873 81 2,221ms 7 Nov 2024 400th MeWhenI 🇻🇦 872 86 84ms 31 Dec 2024 401st Steffan153 🇫🇮 870 43 231ms 17 Dec 2022 401st ovs-code 🇩🇪 870 43 248ms 31 Dec 2023 403rd neel11235813 870 77 594ms 15 Jan 2024 403rd CaedenHarper 🇨🇦 870 77 674ms 14 Jul 2025 405th sean-niemann 🇺🇸 870 92 91ms 8 Oct 2024 406th primo-ppcg 🇹🇭 870 215 12ms 13 Aug 2025 407th prplz 🇦🇺 869 55 40ms 18 Dec 2021 407th lynn 869 55 68ms 25 May 2022 407th ovs-code 🇩🇪 869 55 71ms 9 May 2023 407th Natanaelel 🇸🇪 869 55 47ms 10 May 2023 407th MeWhenI 🇻🇦 869 55 70ms 16 Aug 2023 412th lynn 868 35 342ms 19 Sep 2021 412th jared-hughes 868 35 36ms 30 Sep 2021 412th primo-ppcg 🇹🇭 868 35 41ms 24 Mar 2025 412th Natanaelel 🇸🇪 868 35 326ms 31 May 2025 412th fuzzylojik-golf 🇺🇸 868 35 35ms 9 Sep 2025 412th SirBogman 🇺🇸 868 35 45ms 23 Sep 2025 418th stefangimmillaro 868 92 112ms 18 Sep 2023 419th kg583 🇺🇸 868 114 22ms 9 May 2025 420th 0xjac 🇨🇭 868 137 256ms 17 Jun 2025 420th albanian-laundromat 868 137 236ms 12 Oct 2025 422nd DialFrost 🇸🇬 868 159 1,410ms 28 Mar 2025 423rd JayXon 🇺🇸 868 176 1,693ms 15 Sep 2025 424th emgordon154 867 31 335ms 10 Sep 2025 425th Steffan153 🇫🇮 867 113 27ms 26 Dec 2022 426th Natanaelel 🇸🇪 867 115 132ms 23 Jul 2025 427th CaedenHarper 🇨🇦 866 71 764ms 11 Sep 2025 428th MeWhenI 🇻🇦 866 72 82ms 13 Dec 2022 429th GrayJoKing 🇦🇺 865 94 147ms 23 Oct 2023 430th LostSyntax21 🇬🇧 864 76 58ms 8 Jan 2025 431st jared-hughes 864 185 11ms 25 Mar 2023 432nd jared-hughes 863 81 281ms 19 Sep 2021 432nd m-tkach 🇺🇦 863 81 2ms 6 Oct 2021 432nd jacklynnepenick 863 81 195ms 5 Nov 2021 432nd ehulinsky 🇺🇸 863 81 253ms 10 Nov 2021 432nd ZakkkkAttackkkk 🇵🇭 863 81 125ms 21 Dec 2021 432nd sean-niemann 🇺🇸 863 81 3ms 5 Jan 2022 432nd guilhem-roy 🇫🇷 863 81 310ms 26 Feb 2022 432nd suwat513 863 81 285ms 15 Sep 2022 432nd LogicalJoe 863 81 205ms 7 Oct 2022 432nd Eilonlif 🇮🇱 863 81 279ms 3 Nov 2022 432nd btjones0 863 81 300ms 18 Nov 2022 432nd Steffan153 🇫🇮 863 81 4ms 12 Jan 2023 432nd inventshah 863 81 3ms 14 Feb 2023 432nd Alex-x90 🇺🇸 863 81 3ms 14 Feb 2023 432nd adamnielson42 🇺🇸 863 81 270ms 10 Apr 2023 432nd janbehrens 🇩🇪 863 81 211ms 17 Jun 2023 432nd snoozingnewt 🇺🇸 863 81 281ms 3 Oct 2023 432nd DialFrost 🇸🇬 863 81 211ms 18 Dec 2023 432nd JohandeRuiter 🇳🇱 863 81 5ms 8 Sep 2024 First Prev 376–450 of 1,994 Next Last