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 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 Hilbert Curve 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 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 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 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 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 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 Hilbert Curve 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 524th tobeannouncd 800 72 11 Jan 2024 527th pardouin 🇫🇷 799 106 24 Aug 2024 528th kevinmchung 798 59 24 Feb 2018 528th benwilliamgraham 798 59 26 Jan 2019 528th mogron 798 59 13 Dec 2019 528th mortimervonchappuis 798 59 17 Mar 2020 528th OllieBoyne 🇬🇧 798 59 16 Jan 2021 528th SnowballSH 798 59 31 Jan 2021 528th vishwathg 798 59 16 Aug 2022 528th StefanHabel 🇨🇦 798 59 11 Dec 2022 528th emirps 798 59 22 Feb 2023 528th AlexanderFair 798 59 2 Jul 2023 528th AVDestroyer 798 59 4 Sep 2023 528th eiburns 798 59 13 Sep 2023 528th m42km 798 59 7 Oct 2023 528th elgan65536 798 59 4 Apr 2024 528th KasperKivimaeki 🇫🇮 798 59 5 Jul 2025 528th dirckvdende 798 59 6 Jul 2025 544th emplv 🇱🇻 797 62 15 Dec 2021 544th rucin93 🇵🇱 797 62 19 Apr 2024 544th vlpx 🇫🇮 797 62 18 Jun 2024 547th primo-ppcg 🇹🇭 796 70 4 Jan 2024 547th stefangimmillaro 796 70 14 Jan 2024 549th SirFireball3521 795 39 22 Mar 2023 550th MeWhenI 🇻🇦 795 44 12 Aug 2024 550th sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 550th DialFrost 🇸🇬 795 44 15 Aug 2024 550th ovs-code 🇩🇪 795 44 15 Aug 2024 550th Shanethegamer 🇺🇸 795 44 15 Aug 2024 550th GrayJoKing 🇦🇺 795 44 17 Aug 2024 550th emgordon154 795 44 19 Aug 2024 550th pardouin 🇫🇷 795 44 6 Sep 2024 550th sean-niemann 🇺🇸 795 44 13 Jan 2025 559th clockworknazo 794 82 13 Oct 2022 559th ovs-code 🇩🇪 794 82 7 Feb 2023 561st Yewzir 🇧🇪 793 125 23 Apr 2023 561st janbehrens 🇩🇪 793 125 20 Jun 2023 563rd Yewzir 🇧🇪 791 54 14 Dec 2023 563rd dokutan 791 54 19 May 2024 563rd emgordon154 791 54 5 Dec 2024 563rd edsrzf 🇳🇿 791 54 21 Jan 2025 563rd kg583 🇺🇸 791 54 14 days ago 568th neel11235813 790 55 10 Mar 2024 569th flawr 789 73 24 Feb 2019 569th GrayJoKing 🇦🇺 789 73 5 Dec 2020 569th Shanethegamer 🇺🇸 789 73 15 Jul 2021 569th yzhs 🇩🇪 789 73 24 Jul 2021 569th MeWhenI 🇻🇦 789 73 15 Sep 2021 569th sisyphus-ppcg 🇦🇺 789 73 16 Mar 2022 569th DaCuteRaccoon 789 73 30 Nov 2022 569th DialFrost 🇸🇬 789 73 28 Jan 2023 569th scpchicken 🇵🇼 789 73 7 Mar 2023 569th pardouin 🇫🇷 789 73 21 Sep 2024 569th LostSyntax21 🇬🇧 789 73 8 Jan 2025 580th lifthrasiir 🇰🇷 786 28 29 Nov 2024 581st Yewzir 🇧🇪 786 69 6 Dec 2023 582nd Jacob385 786 126 21 Feb 2025 583rd stevelamm 785 60 5 Oct 2018 583rd tjtnorton 785 60 29 Nov 2018 583rd giacomogallina 785 60 14 Jun 2019 583rd cellobix 785 60 14 Aug 2019 583rd mizuzimu 785 60 4 Feb 2020 583rd ArmaanAS 785 60 8 Mar 2021 583rd RDShah 785 60 26 Nov 2021 583rd QuincyNash 🇺🇸 785 60 30 Nov 2022 583rd msbranicky 785 60 25 Jul 2023 583rd Hebelub 785 60 5 Jan 2024 583rd dokutan 785 60 23 Jan 2024 583rd wh3n3v3r 🇨🇿 785 60 16 Nov 2024 583rd JunkIce 785 60 23 Feb 2025 583rd ffelixm 785 60 12 Jun 2025 583rd RaBa21 🇭🇺 785 60 10 Jul 2025 583rd Flekay 🇩🇪 785 60 10 Jul 2025 599th sisyphus-ppcg 🇦🇺 785 108 16 Mar 2022 600th dmrichwa 🇺🇸 784 63 28 Jan 2023 Prev 526–600 of 2,916 Next