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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 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 Bytes Time Submitted 526th rak1507 🇬🇧 844 36 37ms 20 Sep 2021 527th Steffan153 🇫🇮 844 89 19ms 3 Feb 2023 527th sisyphus-ppcg 🇦🇺 844 89 19ms 4 Feb 2023 529th Yewzir 🇧🇪 844 118 135ms 5 Feb 2024 530th albanian-laundromat 843 73 2,086ms 23 Sep 2025 531st itsjustfreekie 843 83 301ms 20 Sep 2021 531st neihousaigaai 843 83 21ms 3 Jan 2022 531st cesarm4 843 83 202ms 16 Apr 2022 531st nstearns96 🇬🇧 843 83 280ms 27 Jan 2023 531st randolchance 843 83 39ms 16 Feb 2023 531st galloj 🇨🇿 843 83 3,173ms 5 Mar 2023 531st yzhs 🇩🇪 843 83 225ms 23 Jun 2023 531st Yewzir 🇧🇪 843 83 275ms 8 Oct 2023 531st m42km 843 83 356ms 12 Oct 2023 540th emplv 🇱🇻 842 78 46ms 19 Apr 2024 541st pardouin 🇫🇷 842 83 3ms 8 Oct 2024 541st LostSyntax21 🇬🇧 842 83 3ms 8 Jan 2025 543rd ovs-code 🇩🇪 841 190 18ms 9 Jul 2024 544th Waffle3z 840 91 3ms 19 Sep 2021 544th primo-ppcg 🇹🇭 840 91 2ms 23 Sep 2021 544th JayXon 🇺🇸 840 91 3ms 3 Oct 2021 544th Lydxn 🇨🇦 840 91 3ms 9 Apr 2022 544th btnlq 840 91 3ms 27 Dec 2022 544th FlyingPenguin223 840 91 2ms 29 Oct 2024 550th Shanethegamer 🇺🇸 840 95 117ms 14 Oct 2022 550th emplv 🇱🇻 840 95 111ms 28 Oct 2022 550th Yewzir 🇧🇪 840 95 108ms 28 Mar 2024 553rd Shanethegamer 🇺🇸 839 31 8ms 13 Jan 2022 554th anter69 🇭🇺 839 57 38ms 30 Sep 2021 555th ovs-code 🇩🇪 839 69 165ms 3 Aug 2024 556th DialFrost 🇸🇬 839 112 759ms 26 Sep 2025 557th Irratix 🇳🇱 838 112 58ms 3 Jan 2022 558th ovs-code 🇩🇪 838 181 2,005ms 14 Sep 2025 558th jared-hughes 838 181 1,998ms 16 Sep 2025 560th SirBogman 🇺🇸 837 80 524ms 15 Jan 2024 560th Shanethegamer 🇺🇸 837 80 579ms 16 Jan 2024 560th snoozingnewt 🇺🇸 837 80 911ms 28 Sep 2025 563rd edsrzf 🇳🇿 837 100 21ms 5 Jan 2025 564th Shanethegamer 🇺🇸 837 102 1,336ms 20 Mar 2023 565th lynn 837 119 169ms 10 Mar 2022 565th ovs-code 🇩🇪 837 119 135ms 23 Jun 2023 565th mousetail 🇳🇱 837 119 148ms 15 Jan 2024 565th kumavale 837 119 138ms 13 Sep 2025 569th Yewzir 🇧🇪 836 88 3ms 21 Jan 2024 569th rucin93 🇵🇱 836 88 3ms 22 Apr 2025 571st Shanethegamer 🇺🇸 836 95 395ms 16 Dec 2022 572nd Bonjour27891 🇻🇳 833 84 86ms 9 Feb 2022 572nd RDShah 833 84 404ms 11 May 2022 572nd fredrik-bakke 🇳🇴 833 84 351ms 2 Oct 2022 572nd jakobkordez 🇸🇮 833 84 24ms 30 Oct 2022 572nd thehylian 833 84 23ms 2 Jan 2023 572nd badboj40 833 84 313ms 12 Feb 2023 572nd firegene 🇮🇪 833 84 21ms 22 Dec 2023 572nd moustave 833 84 180ms 26 Nov 2024 572nd dokutan 833 84 251ms 24 Dec 2024 572nd blaztoma 🇱🇹 833 84 300ms 29 Sep 2025 572nd Babafaba 833 84 332ms 13 days ago 583rd stackofbears 833 99 460ms 21 Mar 2022 584th albanian-laundromat 833 105 45ms 7 Sep 2025 585th prplz 🇦🇺 831 103 124ms 18 Dec 2021 586th MeWhenI 🇻🇦 831 113 63ms 29 Nov 2022 586th kmathis22 831 113 621ms 13 days ago 588th ovs-code 🇩🇪 831 166 1,118ms 29 Mar 2025 588th emgordon154 831 166 952ms 21 May 2025 590th Shanethegamer 🇺🇸 830 120 122ms 13 Jan 2022 590th MeWhenI 🇻🇦 830 120 142ms 9 May 2023 590th emgordon154 830 120 135ms 14 Mar 2025 593rd inventshah 829 60 1,055ms 29 Sep 2023 593rd emgordon154 829 60 821ms 18 Nov 2024 595th m42km 827 81 659ms 4 Feb 2024 596th IanUtley 827 92 3,264ms 24 Oct 2023 597th inventshah 827 98 543ms 10 Sep 2022 597th MeWhenI 🇻🇦 827 98 12ms 16 Aug 2023 599th sean-niemann 🇺🇸 825 106 43ms 21 Apr 2023 600th MeWhenI 🇻🇦 824 53 151ms 19 Sep 2021 First Prev 526–600 of 1,977 Next Last