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 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 Trinomial Triangle 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 450th ovs-code 🇩🇪 834 36 31 Dec 2023 452nd dokutan 834 67 4 Feb 2025 453rd lynn 834 119 10 Mar 2022 453rd ovs-code 🇩🇪 834 119 23 Jun 2023 453rd mousetail 🇳🇱 834 119 15 Jan 2024 453rd kumavale 834 119 10 days ago 457th rak1507 🇬🇧 833 36 20 Sep 2021 458th Shanethegamer 🇺🇸 833 102 20 Mar 2023 459th primo-ppcg 🇹🇭 832 91 2 Apr 2022 459th Ripick 832 91 1 Feb 2023 461st MeWhenI 🇻🇦 832 94 9 May 2024 462nd rucin93 🇵🇱 831 64 6 Sep 2024 463rd Yewzir 🇧🇪 831 88 21 Jan 2024 463rd rucin93 🇵🇱 831 88 22 Apr 2025 465th ovs-code 🇩🇪 831 180 9 days ago 466th stackofbears 829 99 21 Mar 2022 467th albanian-laundromat 829 105 16 days ago 468th Shanethegamer 🇺🇸 828 31 13 Jan 2022 469th MeWhenI 🇻🇦 828 113 29 Nov 2022 470th ovs-code 🇩🇪 828 166 29 Mar 2025 470th emgordon154 828 166 21 May 2025 472nd pardouin 🇫🇷 827 83 8 Oct 2024 472nd LostSyntax21 🇬🇧 827 83 8 Jan 2025 474th MeWhenI 🇻🇦 827 91 5 Sep 2023 475th prplz 🇦🇺 827 103 18 Dec 2021 476th Shanethegamer 🇺🇸 827 120 13 Jan 2022 476th MeWhenI 🇻🇦 827 120 9 May 2023 476th emgordon154 827 120 14 Mar 2025 479th jared-hughes 827 181 7 days ago 480th albanian-laundromat 825 73 2 hours ago 481st GrayJoKing 🇦🇺 823 50 19 Sep 2021 481st janlelis 823 50 20 Sep 2021 481st JayXon 🇺🇸 823 50 28 Sep 2021 481st sisyphus-ppcg 🇦🇺 823 50 6 May 2022 481st radarek 🇵🇱 823 50 25 May 2022 481st sean-niemann 🇺🇸 823 50 23 Dec 2024 481st pardouin 🇫🇷 823 50 9 Apr 2025 481st stefangimmillaro 823 50 27 May 2025 489th inventshah 823 60 29 Sep 2023 489th emgordon154 823 60 18 Nov 2024 491st RYNO8 823 72 28 Sep 2021 491st FlorianCassayre 🇫🇷 823 72 18 Sep 2023 491st tobeannouncd 823 72 25 Apr 2025 494th IanUtley 823 92 24 Oct 2023 495th inventshah 823 98 10 Sep 2022 495th MeWhenI 🇻🇦 823 98 16 Aug 2023 497th sean-niemann 🇺🇸 822 106 21 Apr 2023 498th sean-niemann 🇺🇸 821 28 22 Jul 2022 498th lynn 821 28 22 Jul 2022 498th MeWhenI 🇻🇦 821 28 23 Jul 2022 498th sisyphus-ppcg 🇦🇺 821 28 24 Jul 2022 498th jared-hughes 821 28 29 Jul 2022 498th AlephSquirrel 821 28 30 Dec 2022 498th Steffan153 🇫🇮 821 28 12 Jan 2023 498th DialFrost 🇸🇬 821 28 28 Jan 2023 498th CornerMercury 🇬🇧 821 28 24 Aug 2023 498th ovs-code 🇩🇪 821 28 2 Feb 2024 498th snoozingnewt 🇺🇸 821 28 1 Sep 2024 498th pardouin 🇫🇷 821 28 21 Sep 2024 498th LostSyntax21 🇬🇧 821 28 8 Jan 2025 498th edsrzf 🇳🇿 821 28 9 Mar 2025 498th CaedenHarper 🇨🇦 821 28 14 Jul 2025 498th fuzzylojik-golf 🇺🇸 821 28 14 days ago 514th neihousaigaai 821 72 2 Oct 2021 514th stefangimmillaro 821 72 29 Sep 2023 514th two-bad 🇬🇧 821 72 25 Feb 2024 517th janbehrens 🇩🇪 821 154 20 Sep 2021 518th Shanethegamer 🇺🇸 820 114 18 Dec 2022 518th Yewzir 🇧🇪 820 114 14 Jan 2024 520th andersk 🇺🇸 820 121 31 Oct 2022 521st sean-niemann 🇺🇸 818 92 8 Oct 2024 522nd Shanethegamer 🇺🇸 818 168 27 Mar 2025 523rd sean-niemann 🇺🇸 817 86 30 Oct 2024 524th jared-hughes 816 83 11 Sep 2023 525th Yewzir 🇧🇪 814 107 14 Jan 2024 Prev 451–525 of 1,942 Next