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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 525th ovs-code 🇩🇪 803 91 20 May 2022 525th inventshah 803 91 4 Jun 2022 525th nwellnhof 🇩🇪 803 91 8 Jul 2022 525th retrohun 803 91 30 Apr 2023 525th kritixilithos 803 91 22 May 2024 531st primo-ppcg 🇹🇭 802 61 9 Feb 2022 532nd Bubbler-4 801 72 20 Feb 2019 532nd xnor-gate 801 72 22 Dec 2021 532nd tobeannouncd 801 72 11 Jan 2024 535th DialFrost 🇸🇬 800 62 21 Jan 2025 536th pardouin 🇫🇷 800 106 24 Aug 2024 537th kevinmchung 798 59 24 Feb 2018 537th benwilliamgraham 798 59 26 Jan 2019 537th mogron 798 59 13 Dec 2019 537th mortimervonchappuis 798 59 17 Mar 2020 537th OllieBoyne 🇬🇧 798 59 16 Jan 2021 537th SnowballSH 798 59 31 Jan 2021 537th vishwathg 798 59 16 Aug 2022 537th StefanHabel 🇨🇦 798 59 11 Dec 2022 537th emirps 798 59 22 Feb 2023 537th AlexanderFair 798 59 2 Jul 2023 537th AVDestroyer 798 59 4 Sep 2023 537th eiburns 798 59 13 Sep 2023 537th m42km 798 59 7 Oct 2023 537th elgan65536 798 59 4 Apr 2024 537th KasperKivimaeki 🇫🇮 798 59 5 Jul 2025 537th dirckvdende 798 59 6 Jul 2025 553rd emplv 🇱🇻 797 62 15 Dec 2021 553rd rucin93 🇵🇱 797 62 19 Apr 2024 553rd vlpx 🇫🇮 797 62 18 Jun 2024 556th SirFireball3521 796 39 22 Mar 2023 557th primo-ppcg 🇹🇭 796 70 4 Jan 2024 557th stefangimmillaro 796 70 14 Jan 2024 559th clockworknazo 796 82 13 Oct 2022 559th ovs-code 🇩🇪 796 82 7 Feb 2023 561st MeWhenI 🇻🇦 795 44 12 Aug 2024 561st sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 561st DialFrost 🇸🇬 795 44 15 Aug 2024 561st ovs-code 🇩🇪 795 44 15 Aug 2024 561st Shanethegamer 🇺🇸 795 44 15 Aug 2024 561st GrayJoKing 🇦🇺 795 44 17 Aug 2024 561st emgordon154 795 44 19 Aug 2024 561st pardouin 🇫🇷 795 44 6 Sep 2024 561st sean-niemann 🇺🇸 795 44 13 Jan 2025 570th Yewzir 🇧🇪 794 125 23 Apr 2023 570th janbehrens 🇩🇪 794 125 20 Jun 2023 572nd Yewzir 🇧🇪 792 54 14 Dec 2023 572nd dokutan 792 54 19 May 2024 572nd emgordon154 792 54 5 Dec 2024 572nd edsrzf 🇳🇿 792 54 21 Jan 2025 572nd kg583 🇺🇸 792 54 30 Jul 2025 577th neel11235813 790 55 10 Mar 2024 578th flawr 790 73 24 Feb 2019 578th GrayJoKing 🇦🇺 790 73 5 Dec 2020 578th Shanethegamer 🇺🇸 790 73 15 Jul 2021 578th yzhs 🇩🇪 790 73 24 Jul 2021 578th MeWhenI 🇻🇦 790 73 15 Sep 2021 578th sisyphus-ppcg 🇦🇺 790 73 16 Mar 2022 578th DaCuteRaccoon 790 73 30 Nov 2022 578th DialFrost 🇸🇬 790 73 28 Jan 2023 578th scpchicken 🇵🇼 790 73 7 Mar 2023 578th pardouin 🇫🇷 790 73 21 Sep 2024 578th LostSyntax21 🇬🇧 790 73 8 Jan 2025 589th Jacob385 788 126 21 Feb 2025 590th Yewzir 🇧🇪 787 69 6 Dec 2023 591st lifthrasiir 🇰🇷 786 28 29 Nov 2024 592nd MeWhenI 🇻🇦 786 93 18 May 2022 593rd stevelamm 785 60 5 Oct 2018 593rd tjtnorton 785 60 29 Nov 2018 593rd giacomogallina 785 60 14 Jun 2019 593rd cellobix 785 60 14 Aug 2019 593rd mizuzimu 785 60 4 Feb 2020 593rd ArmaanAS 785 60 8 Mar 2021 593rd RDShah 785 60 26 Nov 2021 593rd QuincyNash 🇺🇸 785 60 30 Nov 2022 Prev 526–600 of 3,027 Next