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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st lynn 832 119 10 Mar 2022 451st ovs-code 🇩🇪 832 119 23 Jun 2023 451st mousetail 🇳🇱 832 119 15 Jan 2024 454th rucin93 🇵🇱 831 64 6 Sep 2024 455th Yewzir 🇧🇪 831 88 21 Jan 2024 455th rucin93 🇵🇱 831 88 22 Apr 2025 457th primo-ppcg 🇹🇭 831 91 2 Apr 2022 457th Ripick 831 91 1 Feb 2023 459th MeWhenI 🇻🇦 830 94 9 May 2024 460th Shanethegamer 🇺🇸 830 102 20 Mar 2023 461st albanian-laundromat 829 105 2 days ago 462nd Shanethegamer 🇺🇸 828 31 13 Jan 2022 463rd MeWhenI 🇻🇦 828 113 29 Nov 2022 464th snoozingnewt 🇺🇸 827 83 1 Sep 2024 464th pardouin 🇫🇷 827 83 8 Oct 2024 464th LostSyntax21 🇬🇧 827 83 8 Jan 2025 467th stackofbears 827 99 21 Mar 2022 468th MeWhenI 🇻🇦 826 91 5 Sep 2023 469th prplz 🇦🇺 826 103 18 Dec 2021 470th Shanethegamer 🇺🇸 826 120 13 Jan 2022 470th MeWhenI 🇻🇦 826 120 9 May 2023 470th emgordon154 826 120 14 Mar 2025 473rd ovs-code 🇩🇪 825 166 29 Mar 2025 473rd emgordon154 825 166 21 May 2025 475th GrayJoKing 🇦🇺 823 50 19 Sep 2021 475th janlelis 823 50 20 Sep 2021 475th JayXon 🇺🇸 823 50 28 Sep 2021 475th sisyphus-ppcg 🇦🇺 823 50 6 May 2022 475th radarek 🇵🇱 823 50 25 May 2022 475th sean-niemann 🇺🇸 823 50 23 Dec 2024 475th pardouin 🇫🇷 823 50 9 Apr 2025 475th stefangimmillaro 823 50 27 May 2025 483rd RYNO8 823 72 28 Sep 2021 483rd FlorianCassayre 🇫🇷 823 72 18 Sep 2023 483rd tobeannouncd 823 72 25 Apr 2025 486th IanUtley 823 92 24 Oct 2023 487th inventshah 822 60 29 Sep 2023 487th emgordon154 822 60 18 Nov 2024 489th inventshah 822 98 10 Sep 2022 489th MeWhenI 🇻🇦 822 98 16 Aug 2023 491st sean-niemann 🇺🇸 822 106 21 Apr 2023 492nd sean-niemann 🇺🇸 821 28 22 Jul 2022 492nd lynn 821 28 22 Jul 2022 492nd MeWhenI 🇻🇦 821 28 23 Jul 2022 492nd sisyphus-ppcg 🇦🇺 821 28 24 Jul 2022 492nd jared-hughes 821 28 29 Jul 2022 492nd AlephSquirrel 821 28 30 Dec 2022 492nd Steffan153 🇫🇮 821 28 12 Jan 2023 492nd DialFrost 🇸🇬 821 28 28 Jan 2023 492nd CornerMercury 🇬🇧 821 28 24 Aug 2023 492nd ovs-code 🇩🇪 821 28 2 Feb 2024 492nd snoozingnewt 🇺🇸 821 28 1 Sep 2024 492nd pardouin 🇫🇷 821 28 21 Sep 2024 492nd LostSyntax21 🇬🇧 821 28 8 Jan 2025 492nd edsrzf 🇳🇿 821 28 9 Mar 2025 492nd CaedenHarper 🇨🇦 821 28 14 Jul 2025 507th neihousaigaai 821 72 2 Oct 2021 507th stefangimmillaro 821 72 29 Sep 2023 507th two-bad 🇬🇧 821 72 25 Feb 2024 510th Shanethegamer 🇺🇸 820 114 18 Dec 2022 510th Yewzir 🇧🇪 820 114 14 Jan 2024 512th janbehrens 🇩🇪 820 154 20 Sep 2021 513th andersk 🇺🇸 819 121 31 Oct 2022 514th sean-niemann 🇺🇸 817 92 8 Oct 2024 515th sean-niemann 🇺🇸 816 86 30 Oct 2024 516th jared-hughes 815 83 11 Sep 2023 517th Shanethegamer 🇺🇸 815 168 27 Mar 2025 518th Yewzir 🇧🇪 814 107 14 Jan 2024 519th bizy-coder 812 73 3 Oct 2024 519th Rubiksmath 812 73 19 Oct 2024 521st Shanethegamer 🇺🇸 812 90 9 Oct 2023 521st MeWhenI 🇻🇦 812 90 10 Oct 2023 523rd snoozingnewt 🇺🇸 811 66 1 Sep 2024 523rd LostSyntax21 🇬🇧 811 66 8 Jan 2025 525th Shanethegamer 🇺🇸 811 101 13 Apr 2023 Prev 451–525 of 1,906 Next