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 521st kritixilithos 804 91 22 May 2024 527th primo-ppcg 🇹🇭 802 61 9 Feb 2022 528th Bubbler-4 801 72 20 Feb 2019 528th xnor-gate 801 72 22 Dec 2021 528th tobeannouncd 801 72 11 Jan 2024 531st DialFrost 🇸🇬 800 62 21 Jan 2025 532nd pardouin 🇫🇷 800 106 24 Aug 2024 533rd kevinmchung 799 59 24 Feb 2018 533rd benwilliamgraham 799 59 26 Jan 2019 533rd mogron 799 59 13 Dec 2019 533rd mortimervonchappuis 799 59 17 Mar 2020 533rd OllieBoyne 🇬🇧 799 59 16 Jan 2021 533rd SnowballSH 799 59 31 Jan 2021 533rd vishwathg 799 59 16 Aug 2022 533rd StefanHabel 🇨🇦 799 59 11 Dec 2022 533rd emirps 799 59 22 Feb 2023 533rd AlexanderFair 799 59 2 Jul 2023 533rd AVDestroyer 799 59 4 Sep 2023 533rd eiburns 799 59 13 Sep 2023 533rd m42km 799 59 7 Oct 2023 533rd elgan65536 799 59 4 Apr 2024 533rd KasperKivimaeki 🇫🇮 799 59 5 Jul 2025 533rd dirckvdende 799 59 6 Jul 2025 549th emplv 🇱🇻 797 62 15 Dec 2021 549th rucin93 🇵🇱 797 62 19 Apr 2024 549th vlpx 🇫🇮 797 62 18 Jun 2024 552nd SirFireball3521 796 39 22 Mar 2023 553rd primo-ppcg 🇹🇭 796 70 4 Jan 2024 553rd stefangimmillaro 796 70 14 Jan 2024 555th clockworknazo 796 82 13 Oct 2022 555th ovs-code 🇩🇪 796 82 7 Feb 2023 557th MeWhenI 🇻🇦 795 44 12 Aug 2024 557th sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 557th DialFrost 🇸🇬 795 44 15 Aug 2024 557th ovs-code 🇩🇪 795 44 15 Aug 2024 557th Shanethegamer 🇺🇸 795 44 15 Aug 2024 557th GrayJoKing 🇦🇺 795 44 17 Aug 2024 557th emgordon154 795 44 19 Aug 2024 557th pardouin 🇫🇷 795 44 6 Sep 2024 557th sean-niemann 🇺🇸 795 44 13 Jan 2025 566th Yewzir 🇧🇪 792 54 14 Dec 2023 566th dokutan 792 54 19 May 2024 566th emgordon154 792 54 5 Dec 2024 566th edsrzf 🇳🇿 792 54 21 Jan 2025 566th kg583 🇺🇸 792 54 30 Jul 2025 571st neel11235813 791 55 10 Mar 2024 571st albanian-laundromat 791 55 12 days ago 573rd flawr 790 73 24 Feb 2019 573rd GrayJoKing 🇦🇺 790 73 5 Dec 2020 573rd Shanethegamer 🇺🇸 790 73 15 Jul 2021 573rd yzhs 🇩🇪 790 73 24 Jul 2021 573rd MeWhenI 🇻🇦 790 73 15 Sep 2021 573rd sisyphus-ppcg 🇦🇺 790 73 16 Mar 2022 573rd DaCuteRaccoon 790 73 30 Nov 2022 573rd DialFrost 🇸🇬 790 73 28 Jan 2023 573rd scpchicken 🇵🇼 790 73 7 Mar 2023 573rd pardouin 🇫🇷 790 73 21 Sep 2024 573rd LostSyntax21 🇬🇧 790 73 8 Jan 2025 584th Yewzir 🇧🇪 787 69 6 Dec 2023 585th MeWhenI 🇻🇦 787 93 18 May 2022 586th lifthrasiir 🇰🇷 786 28 29 Nov 2024 587th stevelamm 785 60 5 Oct 2018 587th tjtnorton 785 60 29 Nov 2018 587th giacomogallina 785 60 14 Jun 2019 587th cellobix 785 60 14 Aug 2019 587th mizuzimu 785 60 4 Feb 2020 587th ArmaanAS 785 60 8 Mar 2021 587th RDShah 785 60 26 Nov 2021 587th QuincyNash 🇺🇸 785 60 30 Nov 2022 587th msbranicky 785 60 25 Jul 2023 587th Hebelub 785 60 5 Jan 2024 587th dokutan 785 60 23 Jan 2024 587th wh3n3v3r 🇨🇿 785 60 16 Nov 2024 587th JunkIce 785 60 23 Feb 2025 587th ffelixm 785 60 12 Jun 2025 First Prev 526–600 of 3,050 Next Last