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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 479th ethanlally 837 111 387ms 23 Nov 2025 479th dokutan 837 111 373ms 23 Nov 2025 479th snoozingnewt 🇨🇦 837 111 449ms 5 Dec 2025 484th MeWhenI 🇻🇦 837 113 59ms 29 Nov 2022 485th primo-ppcg 🇹🇭 836 91 2ms 23 Sep 2021 485th JayXon 🇺🇸 836 91 2ms 3 Oct 2021 485th Lydxn 🇨🇦 836 91 2ms 9 Apr 2022 485th btnlq 836 91 2ms 27 Dec 2022 485th FlyingPenguin223 836 91 2ms 16 days ago 490th Shanethegamer 🇺🇸 836 95 116ms 14 Oct 2022 490th emplv 🇱🇻 836 95 106ms 28 Oct 2022 490th Yewzir 🇧🇪 836 95 122ms 28 Mar 2024 493rd lynn 835 119 151ms 10 Mar 2022 493rd ovs-code 🇩🇪 835 119 135ms 23 Jun 2023 493rd mousetail 🇳🇱 835 119 136ms 15 Jan 2024 496th rak1507 🇬🇧 834 36 35ms 20 Sep 2021 496th Steffan153 🇫🇮 834 36 199ms 16 Dec 2022 496th ovs-code 🇩🇪 834 36 192ms 31 Dec 2023 499th Shanethegamer 🇺🇸 833 102 1,450ms 20 Mar 2023 500th Yewzir 🇧🇪 832 87 2ms 20 Nov 2025 501st primo-ppcg 🇹🇭 832 91 127ms 2 Apr 2022 501st Ripick 832 91 130ms 1 Feb 2023 503rd rucin93 🇵🇱 831 64 142ms 6 Sep 2024 504th stackofbears 831 99 443ms 21 Mar 2022 505th albanian-laundromat 831 105 40ms 7 Sep 2025 506th Shanethegamer 🇺🇸 829 114 55ms 18 Dec 2022 506th Yewzir 🇧🇪 829 114 56ms 14 Jan 2024 508th edsrzf 🇳🇿 829 118 28ms 13 days ago 509th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 509th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 511th Shanethegamer 🇺🇸 828 120 126ms 13 Jan 2022 511th MeWhenI 🇻🇦 828 120 130ms 9 May 2023 511th emgordon154 828 120 124ms 14 Mar 2025 514th ovs-code 🇩🇪 828 166 1,404ms 29 Mar 2025 514th emgordon154 828 166 1,398ms 21 May 2025 516th albanian-laundromat 827 73 1,053ms 23 Sep 2025 517th MeWhenI 🇻🇦 827 91 114ms 5 Sep 2023 518th prplz 🇦🇺 827 103 122ms 18 Dec 2021 518th dokutan 827 103 84ms 6 Nov 2025 520th CornerMercury 🇬🇧 826 30 5ms 21 Jan 2026 520th emgordon154 826 30 5ms 4 hours ago 522nd GrayJoKing 🇦🇺 824 50 95ms 19 Sep 2021 522nd janlelis 824 50 93ms 20 Sep 2021 522nd JayXon 🇺🇸 824 50 98ms 28 Sep 2021 522nd sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 522nd radarek 🇵🇱 824 50 78ms 25 May 2022 522nd sean-niemann 🇺🇸 824 50 95ms 23 Dec 2024 522nd pardouin 🇫🇷 824 50 77ms 9 Apr 2025 522nd stefangimmillaro 824 50 91ms 27 May 2025 522nd Steffan153 🇫🇮 824 50 89ms 11 days ago 531st albanian-laundromat 824 68 444ms 7 Oct 2025 532nd RYNO8 824 72 20ms 28 Sep 2021 532nd FlorianCassayre 🇫🇷 824 72 223ms 18 Sep 2023 532nd tobeannouncd 824 72 20ms 25 Apr 2025 532nd 4atj 824 72 145ms 4 Dec 2025 532nd HPWiz 🇳🇿 824 72 146ms 5 Dec 2025 537th inventshah 823 60 1,340ms 29 Sep 2023 537th emgordon154 823 60 1,286ms 18 Nov 2024 539th IanUtley 823 92 3,106ms 24 Oct 2023 540th sean-niemann 🇺🇸 823 106 39ms 21 Apr 2023 540th DialFrost 🇸🇬 823 106 41ms 31 Dec 2025 542nd neihousaigaai 822 72 12ms 2 Oct 2021 542nd stefangimmillaro 822 72 15ms 29 Sep 2023 542nd two-bad 🇬🇧 822 72 19ms 25 Feb 2024 542nd Lv0Sys 🇵🇱 822 72 12ms 5 Dec 2025 546th Shanethegamer 🇺🇸 822 88 2ms 19 Nov 2025 546th DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 548th inventshah 822 98 538ms 10 Sep 2022 548th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 550th h3ra993huskp 🇯🇵 822 113 503ms 30 Nov 2025 551st sean-niemann 🇺🇸 821 28 67ms 22 Jul 2022 551st lynn 821 28 65ms 22 Jul 2022 551st MeWhenI 🇻🇦 821 28 71ms 23 Jul 2022 551st sisyphus-ppcg 🇦🇺 821 28 60ms 24 Jul 2022 551st jared-hughes 821 28 60ms 29 Jul 2022 551st AlephSquirrel 821 28 68ms 30 Dec 2022 551st Steffan153 🇫🇮 821 28 60ms 12 Jan 2023 551st DialFrost 🇸🇬 821 28 62ms 28 Jan 2023 551st CornerMercury 🇬🇧 821 28 62ms 24 Aug 2023 551st ovs-code 🇩🇪 821 28 69ms 2 Feb 2024 First Prev 481–560 of 2,065 Next Last