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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 822nd firegene 🇮🇪 706 84 21ms 22 Dec 2023 822nd HumanoidCPU 706 84 25ms 23 Jun 2024 822nd moustave 706 84 180ms 26 Nov 2024 822nd blaztoma 🇱🇹 706 84 300ms 29 Sep 2025 830th primo-ppcg 🇹🇭 704 71 995ms 29 Nov 2021 831st Garklein 🇨🇦 704 84 11ms 20 Feb 2022 832nd HumanoidCPU 704 121 113ms 22 Jun 2024 833rd MeWhenI 🇻🇦 701 53 151ms 19 Sep 2021 833rd GrayJoKing 🇦🇺 701 53 86ms 20 Sep 2021 833rd sean-niemann 🇺🇸 701 53 161ms 20 Sep 2021 833rd scpchicken 🇵🇼 701 53 141ms 19 Dec 2022 833rd Steffan153 🇫🇮 701 53 172ms 27 Jan 2023 833rd DialFrost 🇸🇬 701 53 160ms 28 Jan 2023 833rd snoozingnewt 🇺🇸 701 53 192ms 1 Sep 2024 833rd fuzzylojik-golf 🇺🇸 701 53 102ms 15 Sep 2025 841st janbehrens 🇩🇪 701 98 2ms 21 Sep 2021 841st RYNO8 701 98 2ms 16 Aug 2022 843rd SirBogman 🇺🇸 700 80 524ms 15 Jan 2024 844th Shanethegamer 🇺🇸 700 86 874ms 26 May 2025 845th MeWhenI 🇻🇦 699 109 3ms 27 Dec 2022 846th OhmNomNom 698 59 40ms 20 Oct 2022 846th AlephSquirrel 698 59 74ms 14 Apr 2023 846th FlyingPenguin223 698 59 51ms 18 Oct 2023 846th SirBogman 🇺🇸 698 59 60ms 10 Jan 2024 846th error256 698 59 64ms 13 May 2024 851st aposteriorist 🇨🇦 698 85 24ms 6 Feb 2022 851st Ailko 🇧🇪 698 85 77ms 5 May 2022 851st tkr-sh 🇰🇵 698 85 27ms 17 May 2022 851st Mikey-Beep 🇬🇧 698 85 20ms 15 Jun 2022 851st P-Quentin 🇫🇷 698 85 104ms 10 Aug 2022 851st 051 🇸🇬 698 85 21ms 19 Aug 2022 851st trist224 🇫🇷 698 85 79ms 18 Oct 2022 851st Ripick 698 85 20ms 1 Feb 2023 851st fkantelberg 698 85 22ms 7 Aug 2023 851st minhtrancccp 698 85 61ms 1 Nov 2023 851st wen1now 698 85 29ms 6 Nov 2023 851st stertooy 🇧🇪 698 85 21ms 14 Jun 2024 851st FranklinJiaChen 698 85 229ms 5 Aug 2024 851st KasperKivimaeki 🇫🇮 698 85 22ms 2 Jul 2025 865th Natanaelel 🇸🇪 697 33 66ms 22 Jul 2022 865th SirBogman 🇺🇸 697 33 71ms 10 Sep 2022 867th raphaelimahorn 696 85 11ms 2 Oct 2021 867th piano-miles 696 85 12ms 12 Mar 2023 867th Mazn3k 696 85 12ms 15 Mar 2023 867th coreynash 696 85 12ms 17 Oct 2023 871st MeWhenI 🇻🇦 696 101 3,110ms 24 Oct 2024 872nd janbehrens 🇩🇪 695 109 376ms 21 Nov 2021 873rd klixel 🇨🇦 695 143 128ms 11 May 2023 874th CaedenHarper 🇨🇦 694 99 2ms 13 mins ago 875th j-Ewan 693 170 247ms 10 Mar 2022 876th Mabeloid 🇳🇴 692 110 2ms 21 Sep 2024 877th m42km 691 81 659ms 4 Feb 2024 878th Alex-x90 🇺🇸 691 115 122ms 14 Nov 2022 879th msbranicky 690 218 1,855ms 16 Sep 2025 880th LeeCamp 689 86 199ms 15 Jan 2023 880th vishwathg 689 86 369ms 4 Feb 2023 880th cros107 🇦🇺 689 86 244ms 11 Oct 2023 880th logvp 689 86 3,408ms 12 Jan 2024 880th Bmrl7 689 86 12ms 29 Feb 2024 880th Grrisly 689 86 294ms 29 Mar 2024 880th resoNathan 689 86 16ms 18 Jul 2024 880th RaBa21 🇭🇺 689 86 14ms 11 Jul 2025 888th NewDefectus 🇮🇱 688 54 68ms 15 Dec 2021 888th LostSyntax21 🇬🇧 688 54 147ms 8 Jan 2025 890th rollershutter 688 68 323ms 3 Jul 2024 891st trinityy-7 688 86 13ms 6 Dec 2023 891st junkondo-jp 688 86 11ms 25 Jun 2024 893rd cmayer777 688 136 60ms 7 Jan 2023 893rd snoozingnewt 🇺🇸 688 136 408ms 6 Oct 2025 895th madex 🇩🇪 687 100 2ms 10 Nov 2021 895th Babafaba 687 100 2ms 21 days ago 897th olivermrose 🇺🇸 686 60 93ms 19 Sep 2021 897th adoxography 686 60 48ms 18 Dec 2021 897th jared-hughes 686 60 41ms 9 Sep 2022 897th KatieLG 🇬🇧 686 60 42ms 2 Oct 2025 First Prev 826–900 of 1,964 Next Last