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 524th mogron 798 59 13 Dec 2019 524th mortimervonchappuis 798 59 17 Mar 2020 524th OllieBoyne 🇬🇧 798 59 16 Jan 2021 524th SnowballSH 798 59 31 Jan 2021 524th vishwathg 798 59 16 Aug 2022 524th StefanHabel 🇨🇦 798 59 11 Dec 2022 524th emirps 798 59 22 Feb 2023 524th AlexanderFair 798 59 2 Jul 2023 524th AVDestroyer 798 59 4 Sep 2023 524th eiburns 798 59 13 Sep 2023 524th m42km 798 59 7 Oct 2023 524th elgan65536 798 59 4 Apr 2024 524th KasperKivimaeki 🇫🇮 798 59 7 days ago 524th dirckvdende 798 59 5 days ago 540th emplv 🇱🇻 797 62 15 Dec 2021 540th rucin93 🇵🇱 797 62 19 Apr 2024 540th vlpx 🇫🇮 797 62 18 Jun 2024 543rd SirFireball3521 795 39 22 Mar 2023 544th MeWhenI 🇻🇦 795 44 12 Aug 2024 544th sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 544th DialFrost 🇸🇬 795 44 15 Aug 2024 544th ovs-code 🇩🇪 795 44 15 Aug 2024 544th Shanethegamer 🇺🇸 795 44 15 Aug 2024 544th GrayJoKing 🇦🇺 795 44 17 Aug 2024 544th emgordon154 795 44 19 Aug 2024 544th pardouin 🇫🇷 795 44 6 Sep 2024 544th sean-niemann 🇺🇸 795 44 13 Jan 2025 553rd primo-ppcg 🇹🇭 795 70 4 Jan 2024 553rd stefangimmillaro 795 70 14 Jan 2024 555th clockworknazo 794 82 13 Oct 2022 555th ovs-code 🇩🇪 794 82 7 Feb 2023 557th Yewzir 🇧🇪 792 125 23 Apr 2023 557th janbehrens 🇩🇪 792 125 20 Jun 2023 559th Yewzir 🇧🇪 790 54 14 Dec 2023 559th dokutan 790 54 19 May 2024 559th emgordon154 790 54 5 Dec 2024 559th edsrzf 🇳🇿 790 54 21 Jan 2025 563rd neel11235813 790 55 10 Mar 2024 564th flawr 789 73 24 Feb 2019 564th GrayJoKing 🇦🇺 789 73 5 Dec 2020 564th Shanethegamer 🇺🇸 789 73 15 Jul 2021 564th yzhs 🇩🇪 789 73 24 Jul 2021 564th MeWhenI 🇻🇦 789 73 15 Sep 2021 564th sisyphus-ppcg 🇦🇺 789 73 16 Mar 2022 564th DaCuteRaccoon 789 73 30 Nov 2022 564th DialFrost 🇸🇬 789 73 28 Jan 2023 564th scpchicken 🇵🇼 789 73 7 Mar 2023 564th pardouin 🇫🇷 789 73 21 Sep 2024 564th LostSyntax21 🇬🇧 789 73 8 Jan 2025 575th lifthrasiir 🇰🇷 786 28 29 Nov 2024 576th Yewzir 🇧🇪 786 69 6 Dec 2023 577th Jacob385 786 126 21 Feb 2025 578th stevelamm 785 60 5 Oct 2018 578th tjtnorton 785 60 29 Nov 2018 578th giacomogallina 785 60 14 Jun 2019 578th cellobix 785 60 14 Aug 2019 578th mizuzimu 785 60 4 Feb 2020 578th ArmaanAS 785 60 8 Mar 2021 578th RDShah 785 60 26 Nov 2021 578th QuincyNash 🇺🇸 785 60 30 Nov 2022 578th msbranicky 785 60 25 Jul 2023 578th Hebelub 785 60 5 Jan 2024 578th dokutan 785 60 23 Jan 2024 578th wh3n3v3r 🇨🇿 785 60 16 Nov 2024 578th JunkIce 785 60 23 Feb 2025 578th ffelixm 785 60 12 Jun 2025 578th RaBa21 785 60 2 days ago 578th Flekay 🇩🇪 785 60 43 hours ago 594th dmrichwa 🇺🇸 784 63 28 Jan 2023 594th targrik 784 63 19 Feb 2025 596th sisyphus-ppcg 🇦🇺 784 108 16 Mar 2022 597th MeWhenI 🇻🇦 783 93 18 May 2022 598th hemphen 782 69 28 Aug 2022 599th inventshah 782 88 27 Jan 2023 600th GrayJoKing 🇦🇺 781 67 31 Jan 2025 Prev 526–600 of 2,887 Next