Happy Numbers (Long) 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 451st Steffan153 🇫🇮 834 36 16 Dec 2022 451st ovs-code 🇩🇪 834 36 31 Dec 2023 453rd lynn 834 119 169ms 10 Mar 2022 453rd ovs-code 🇩🇪 834 119 135ms 23 Jun 2023 453rd mousetail 🇳🇱 834 119 148ms 15 Jan 2024 453rd kumavale 834 119 138ms 13 Sep 2025 457th rak1507 🇬🇧 833 36 20 Sep 2021 458th Shanethegamer 🇺🇸 833 102 1,336ms 20 Mar 2023 459th primo-ppcg 🇹🇭 832 91 150ms 2 Apr 2022 459th Ripick 832 91 156ms 1 Feb 2023 461st rucin93 🇵🇱 831 64 147ms 6 Sep 2024 462nd Yewzir 🇧🇪 831 88 3ms 21 Jan 2024 462nd rucin93 🇵🇱 831 88 3ms 22 Apr 2025 464th jared-hughes 831 181 1,998ms 16 Sep 2025 465th stackofbears 829 99 460ms 21 Mar 2022 466th albanian-laundromat 829 105 7 Sep 2025 467th Shanethegamer 🇺🇸 828 31 8ms 13 Jan 2022 468th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 468th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 470th DialFrost 🇸🇬 828 112 457ms 26 days ago 471st MeWhenI 🇻🇦 828 113 63ms 29 Nov 2022 472nd ovs-code 🇩🇪 828 166 29 Mar 2025 472nd emgordon154 828 166 21 May 2025 474th MeWhenI 🇻🇦 827 91 119ms 5 Sep 2023 475th prplz 🇦🇺 827 103 124ms 18 Dec 2021 476th Shanethegamer 🇺🇸 827 120 122ms 13 Jan 2022 476th MeWhenI 🇻🇦 827 120 142ms 9 May 2023 476th emgordon154 827 120 135ms 14 Mar 2025 479th albanian-laundromat 825 73 23 Sep 2025 480th RYNO8 824 72 19ms 28 Sep 2021 480th FlorianCassayre 🇫🇷 824 72 236ms 18 Sep 2023 480th tobeannouncd 824 72 20ms 25 Apr 2025 483rd GrayJoKing 🇦🇺 823 50 95ms 19 Sep 2021 483rd janlelis 823 50 93ms 20 Sep 2021 483rd JayXon 🇺🇸 823 50 94ms 28 Sep 2021 483rd sisyphus-ppcg 🇦🇺 823 50 94ms 6 May 2022 483rd radarek 🇵🇱 823 50 85ms 25 May 2022 483rd sean-niemann 🇺🇸 823 50 113ms 23 Dec 2024 483rd pardouin 🇫🇷 823 50 71ms 9 Apr 2025 483rd stefangimmillaro 823 50 99ms 27 May 2025 491st inventshah 823 60 29 Sep 2023 491st emgordon154 823 60 18 Nov 2024 493rd albanian-laundromat 823 68 377ms 15 days ago 494th IanUtley 823 92 3,264ms 24 Oct 2023 495th inventshah 823 98 543ms 10 Sep 2022 495th MeWhenI 🇻🇦 823 98 12ms 16 Aug 2023 497th MeWhenI 🇻🇦 822 94 64ms 9 May 2024 498th sean-niemann 🇺🇸 822 106 21 Apr 2023 499th sean-niemann 🇺🇸 821 28 75ms 22 Jul 2022 499th lynn 821 28 63ms 22 Jul 2022 499th MeWhenI 🇻🇦 821 28 78ms 23 Jul 2022 499th sisyphus-ppcg 🇦🇺 821 28 59ms 24 Jul 2022 499th jared-hughes 821 28 55ms 29 Jul 2022 499th AlephSquirrel 821 28 66ms 30 Dec 2022 499th Steffan153 🇫🇮 821 28 61ms 12 Jan 2023 499th DialFrost 🇸🇬 821 28 66ms 28 Jan 2023 499th CornerMercury 🇬🇧 821 28 70ms 24 Aug 2023 499th ovs-code 🇩🇪 821 28 63ms 2 Feb 2024 499th snoozingnewt 🇺🇸 821 28 59ms 1 Sep 2024 499th pardouin 🇫🇷 821 28 60ms 21 Sep 2024 499th LostSyntax21 🇬🇧 821 28 59ms 8 Jan 2025 499th edsrzf 🇳🇿 821 28 71ms 9 Mar 2025 499th CaedenHarper 🇨🇦 821 28 71ms 14 Jul 2025 499th fuzzylojik-golf 🇺🇸 821 28 61ms 9 Sep 2025 515th neihousaigaai 821 72 11ms 2 Oct 2021 515th stefangimmillaro 821 72 19ms 29 Sep 2023 515th two-bad 🇬🇧 821 72 16ms 25 Feb 2024 515th KrausRaus 🇺🇸 821 72 8 days ago 519th kmathis22 820 113 7 days ago 520th Shanethegamer 🇺🇸 820 114 66ms 18 Dec 2022 520th Yewzir 🇧🇪 820 114 63ms 14 Jan 2024 522nd andersk 🇺🇸 820 121 136ms 31 Oct 2022 523rd sean-niemann 🇺🇸 818 92 91ms 8 Oct 2024 524th Shanethegamer 🇺🇸 818 168 27 Mar 2025 525th sean-niemann 🇺🇸 817 86 2,738ms 30 Oct 2024 First Prev 451–525 of 1,959 Next Last