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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th DialFrost 🇸🇬 854 116 22 Jan 2023 376th h3ra993huskp 🇯🇵 854 116 20 Dec 2023 378th HPWiz 🇳🇿 853 32 17 Aug 2023 379th DaCuteRaccoon 852 65 30 Nov 2022 379th snoozingnewt 🇺🇸 852 65 1 Sep 2024 379th LostSyntax21 🇬🇧 852 65 8 Jan 2025 382nd emgordon154 851 51 13 Apr 2025 383rd sean-niemann 🇺🇸 848 27 22 Jul 2022 383rd lynn 848 27 22 Jul 2022 383rd MeWhenI 🇻🇦 848 27 23 Jul 2022 383rd sisyphus-ppcg 🇦🇺 848 27 24 Jul 2022 383rd jared-hughes 848 27 29 Jul 2022 383rd DaCuteRaccoon 848 27 30 Nov 2022 383rd AlephSquirrel 848 27 30 Dec 2022 383rd DialFrost 🇸🇬 848 27 28 Jan 2023 383rd CornerMercury 🇬🇧 848 27 24 Aug 2023 383rd ovs-code 🇩🇪 848 27 2 Feb 2024 383rd snoozingnewt 🇺🇸 848 27 1 Sep 2024 383rd pardouin 🇫🇷 848 27 21 Sep 2024 383rd LostSyntax21 🇬🇧 848 27 8 Jan 2025 383rd edsrzf 🇳🇿 848 27 9 Mar 2025 383rd CaedenHarper 🇨🇦 848 27 12 days ago 398th stefangimmillaro 848 64 15 Jul 2023 399th emplv 🇱🇻 847 100 2 Sep 2021 399th Shanethegamer 🇺🇸 847 100 29 Mar 2023 399th Yewzir 🇧🇪 847 100 26 Oct 2023 399th emgordon154 847 100 17 Jan 2025 399th error256 847 100 15 Feb 2025 399th plcc0 847 100 21 Mar 2025 405th pardouin 🇫🇷 846 26 14 Apr 2025 406th sisyphus-ppcg 🇦🇺 845 77 3 Feb 2023 407th stefangimmillaro 841 50 22 Aug 2023 408th Irratix 🇳🇱 841 56 30 Apr 2022 408th GrayJoKing 🇦🇺 841 56 7 Jul 2022 408th Alex-x90 🇺🇸 841 56 28 Jan 2023 408th inventshah 841 56 28 Jan 2023 408th neel11235813 841 56 7 Feb 2023 408th roupiq 🇵🇱 841 56 18 Feb 2024 408th Seek64 🇩🇪 841 56 15 Jul 2024 408th emgordon154 841 56 6 Sep 2024 408th DialFrost 🇸🇬 841 56 26 Dec 2024 408th fuzzylojik-golf 🇺🇸 841 56 9 Jun 2025 408th duckyluuk 🇳🇱 841 56 21 days ago 408th BREMAUCY 🇫🇷 841 56 20 hours ago 420th MeWhenI 🇻🇦 840 49 22 Aug 2023 421st xkacer 🇨🇿 840 118 20 Nov 2020 422nd jared-hughes 839 101 27 Feb 2024 422nd edsrzf 🇳🇿 839 101 26 Oct 2024 422nd keelimeguy 🇺🇸 839 101 28 Apr 2025 425th mcreenan 838 37 22 Apr 2018 425th ovs-code 🇩🇪 838 37 31 Dec 2023 427th GrayJoKing 🇦🇺 836 42 13 Sep 2023 427th Lydxn 🇨🇦 836 42 13 Sep 2023 427th Steffan153 🇫🇮 836 42 15 Sep 2023 427th primo-ppcg 🇹🇭 836 42 16 Sep 2023 427th MeWhenI 🇻🇦 836 42 2 Nov 2023 427th Yewzir 🇧🇪 836 42 7 Mar 2024 427th pardouin 🇫🇷 836 42 24 Aug 2024 427th edsrzf 🇳🇿 836 42 17 Jan 2025 427th sean-niemann 🇺🇸 836 42 7 Apr 2025 427th DialFrost 🇸🇬 836 42 7 Apr 2025 437th MeWhenI 🇻🇦 836 74 5 Mar 2022 438th CaedenHarper 🇨🇦 835 52 1 Feb 2025 439th the-zammers 835 69 2 Dec 2024 440th UnderKoen 🇳🇱 834 85 1 Jul 2022 440th sisyphus-ppcg 🇦🇺 834 85 7 Jul 2022 440th m-tkach 🇺🇦 834 85 8 Mar 2023 440th Lydxn 🇨🇦 834 85 19 Jul 2023 440th edsrzf 🇳🇿 834 85 5 Mar 2025 445th msbranicky 831 102 8 Sep 2023 445th kkoenig 831 102 5 Jan 2024 447th AdrienHache 🇫🇷 829 83 7 Jan 2024 447th sean-niemann 🇺🇸 829 83 21 Mar 2025 449th stackofbears 827 33 14 Mar 2025 450th MeWhenI 🇻🇦 827 36 24 Jul 2021 Prev 376–450 of 2,903 Next