Happy Numbers 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 374th HPWiz 🇳🇿 855 32 17 Aug 2023 377th btnlq 855 45 22 Oct 2023 378th DaCuteRaccoon 853 65 30 Nov 2022 378th snoozingnewt 🇺🇸 853 65 1 Sep 2024 378th LostSyntax21 🇬🇧 853 65 8 Jan 2025 381st emgordon154 852 51 13 Apr 2025 381st CaedenHarper 🇨🇦 852 51 29 Jul 2025 383rd stefangimmillaro 849 64 15 Jul 2023 384th sean-niemann 🇺🇸 848 27 22 Jul 2022 384th lynn 848 27 22 Jul 2022 384th MeWhenI 🇻🇦 848 27 23 Jul 2022 384th sisyphus-ppcg 🇦🇺 848 27 24 Jul 2022 384th jared-hughes 848 27 29 Jul 2022 384th DaCuteRaccoon 848 27 30 Nov 2022 384th AlephSquirrel 848 27 30 Dec 2022 384th DialFrost 🇸🇬 848 27 28 Jan 2023 384th CornerMercury 🇬🇧 848 27 24 Aug 2023 384th ovs-code 🇩🇪 848 27 2 Feb 2024 384th snoozingnewt 🇺🇸 848 27 1 Sep 2024 384th pardouin 🇫🇷 848 27 21 Sep 2024 384th LostSyntax21 🇬🇧 848 27 8 Jan 2025 384th edsrzf 🇳🇿 848 27 9 Mar 2025 384th CaedenHarper 🇨🇦 848 27 14 Jul 2025 384th fuzzylojik-golf 🇺🇸 848 27 9 Sep 2025 400th sisyphus-ppcg 🇦🇺 848 77 3 Feb 2023 401st emplv 🇱🇻 848 100 2 Sep 2021 401st Shanethegamer 🇺🇸 848 100 29 Mar 2023 401st Yewzir 🇧🇪 848 100 26 Oct 2023 401st emgordon154 848 100 17 Jan 2025 401st error256 848 100 15 Feb 2025 401st plcc0 848 100 21 Mar 2025 401st fuzzylojik-golf 🇺🇸 848 100 3 Sep 2025 408th pardouin 🇫🇷 846 26 14 Apr 2025 409th stefangimmillaro 842 50 22 Aug 2023 410th MeWhenI 🇻🇦 841 49 22 Aug 2023 411th Irratix 🇳🇱 841 56 30 Apr 2022 411th GrayJoKing 🇦🇺 841 56 7 Jul 2022 411th Alex-x90 🇺🇸 841 56 28 Jan 2023 411th inventshah 841 56 28 Jan 2023 411th neel11235813 841 56 7 Feb 2023 411th roupiq 🇵🇱 841 56 18 Feb 2024 411th Seek64 🇩🇪 841 56 15 Jul 2024 411th emgordon154 841 56 6 Sep 2024 411th DialFrost 🇸🇬 841 56 26 Dec 2024 411th fuzzylojik-golf 🇺🇸 841 56 9 Jun 2025 411th duckyluuk 🇳🇱 841 56 5 Jul 2025 411th BREMAUCY 🇫🇷 841 56 26 Jul 2025 423rd jared-hughes 840 101 27 Feb 2024 423rd edsrzf 🇳🇿 840 101 26 Oct 2024 423rd keelimeguy 🇺🇸 840 101 28 Apr 2025 426th mcreenan 839 37 22 Apr 2018 426th ovs-code 🇩🇪 839 37 31 Dec 2023 428th MeWhenI 🇻🇦 838 74 5 Mar 2022 429th GrayJoKing 🇦🇺 837 42 13 Sep 2023 429th Lydxn 🇨🇦 837 42 13 Sep 2023 429th Steffan153 🇫🇮 837 42 15 Sep 2023 429th primo-ppcg 🇹🇭 837 42 16 Sep 2023 429th MeWhenI 🇻🇦 837 42 2 Nov 2023 429th Yewzir 🇧🇪 837 42 7 Mar 2024 429th pardouin 🇫🇷 837 42 24 Aug 2024 429th edsrzf 🇳🇿 837 42 17 Jan 2025 429th sean-niemann 🇺🇸 837 42 7 Apr 2025 429th DialFrost 🇸🇬 837 42 7 Apr 2025 429th fuzzylojik-golf 🇺🇸 837 42 20 days ago 440th the-zammers 836 69 2 Dec 2024 441st UnderKoen 🇳🇱 835 85 1 Jul 2022 441st sisyphus-ppcg 🇦🇺 835 85 7 Jul 2022 441st m-tkach 🇺🇦 835 85 8 Mar 2023 441st Lydxn 🇨🇦 835 85 19 Jul 2023 441st edsrzf 🇳🇿 835 85 5 Mar 2025 446th nwellnhof 🇩🇪 831 79 12 days ago 446th stefangimmillaro 831 79 47 hours ago 448th msbranicky 831 102 8 Sep 2023 448th kkoenig 831 102 5 Jan 2024 450th AdrienHache 🇫🇷 830 83 7 Jan 2024 First Prev 376–450 of 3,044 Next Last