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 480th kmathis22 837 111 379ms 20 Nov 2025 480th ethanlally 837 111 387ms 23 Nov 2025 480th dokutan 837 111 373ms 23 Nov 2025 480th snoozingnewt 🇨🇦 837 111 449ms 5 Dec 2025 485th MeWhenI 🇻🇦 837 113 59ms 29 Nov 2022 486th primo-ppcg 🇹🇭 836 91 2ms 23 Sep 2021 486th JayXon 🇺🇸 836 91 2ms 3 Oct 2021 486th Lydxn 🇨🇦 836 91 2ms 9 Apr 2022 486th btnlq 836 91 2ms 27 Dec 2022 486th FlyingPenguin223 836 91 2ms 17 days ago 491st Shanethegamer 🇺🇸 836 95 116ms 14 Oct 2022 491st emplv 🇱🇻 836 95 106ms 28 Oct 2022 491st Yewzir 🇧🇪 836 95 122ms 28 Mar 2024 494th lynn 835 119 151ms 10 Mar 2022 494th ovs-code 🇩🇪 835 119 135ms 23 Jun 2023 494th mousetail 🇳🇱 835 119 136ms 15 Jan 2024 497th rak1507 🇬🇧 834 36 35ms 20 Sep 2021 497th Steffan153 🇫🇮 834 36 199ms 16 Dec 2022 497th ovs-code 🇩🇪 834 36 192ms 31 Dec 2023 500th Shanethegamer 🇺🇸 833 102 1,450ms 20 Mar 2023 501st Yewzir 🇧🇪 832 87 2ms 20 Nov 2025 502nd primo-ppcg 🇹🇭 832 91 127ms 2 Apr 2022 502nd Ripick 832 91 130ms 1 Feb 2023 504th rucin93 🇵🇱 831 64 142ms 6 Sep 2024 505th stackofbears 831 99 443ms 21 Mar 2022 506th albanian-laundromat 831 105 40ms 7 Sep 2025 507th Shanethegamer 🇺🇸 829 114 55ms 18 Dec 2022 507th Yewzir 🇧🇪 829 114 56ms 14 Jan 2024 509th edsrzf 🇳🇿 829 118 28ms 13 days ago 510th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 510th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 512th Shanethegamer 🇺🇸 828 120 126ms 13 Jan 2022 512th MeWhenI 🇻🇦 828 120 130ms 9 May 2023 512th emgordon154 828 120 124ms 14 Mar 2025 515th ovs-code 🇩🇪 828 166 1,404ms 29 Mar 2025 515th emgordon154 828 166 1,398ms 21 May 2025 517th albanian-laundromat 827 73 1,053ms 23 Sep 2025 518th MeWhenI 🇻🇦 827 91 114ms 5 Sep 2023 519th prplz 🇦🇺 827 103 122ms 18 Dec 2021 519th dokutan 827 103 84ms 6 Nov 2025 521st CornerMercury 🇬🇧 826 30 5ms 21 Jan 2026 521st emgordon154 826 30 5ms 16 hours ago 523rd GrayJoKing 🇦🇺 824 50 95ms 19 Sep 2021 523rd janlelis 824 50 93ms 20 Sep 2021 523rd JayXon 🇺🇸 824 50 98ms 28 Sep 2021 523rd sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 523rd radarek 🇵🇱 824 50 78ms 25 May 2022 523rd sean-niemann 🇺🇸 824 50 95ms 23 Dec 2024 523rd pardouin 🇫🇷 824 50 77ms 9 Apr 2025 523rd stefangimmillaro 824 50 91ms 27 May 2025 523rd Steffan153 🇫🇮 824 50 89ms 11 days ago 532nd albanian-laundromat 824 68 444ms 7 Oct 2025 533rd RYNO8 824 72 20ms 28 Sep 2021 533rd FlorianCassayre 🇫🇷 824 72 223ms 18 Sep 2023 533rd tobeannouncd 824 72 20ms 25 Apr 2025 533rd 4atj 824 72 145ms 4 Dec 2025 533rd HPWiz 🇳🇿 824 72 146ms 5 Dec 2025 538th inventshah 823 60 1,340ms 29 Sep 2023 538th emgordon154 823 60 1,286ms 18 Nov 2024 540th IanUtley 823 92 3,106ms 24 Oct 2023 541st sean-niemann 🇺🇸 823 106 39ms 21 Apr 2023 541st DialFrost 🇸🇬 823 106 41ms 31 Dec 2025 543rd neihousaigaai 822 72 12ms 2 Oct 2021 543rd stefangimmillaro 822 72 15ms 29 Sep 2023 543rd two-bad 🇬🇧 822 72 19ms 25 Feb 2024 543rd Lv0Sys 🇵🇱 822 72 12ms 5 Dec 2025 547th Shanethegamer 🇺🇸 822 88 2ms 19 Nov 2025 547th DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 549th inventshah 822 98 538ms 10 Sep 2022 549th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 551st h3ra993huskp 🇯🇵 822 113 503ms 30 Nov 2025 552nd sean-niemann 🇺🇸 821 28 67ms 22 Jul 2022 552nd lynn 821 28 65ms 22 Jul 2022 552nd MeWhenI 🇻🇦 821 28 71ms 23 Jul 2022 552nd sisyphus-ppcg 🇦🇺 821 28 60ms 24 Jul 2022 552nd jared-hughes 821 28 60ms 29 Jul 2022 552nd AlephSquirrel 821 28 68ms 30 Dec 2022 552nd Steffan153 🇫🇮 821 28 60ms 12 Jan 2023 552nd DialFrost 🇸🇬 821 28 62ms 28 Jan 2023 552nd CornerMercury 🇬🇧 821 28 62ms 24 Aug 2023 First Prev 481–560 of 2,067 Next Last