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 676th Frank-Buss 738 93 29 Aug 2020 677th emgordon154 737 58 20 Nov 2024 677th DialFrost 🇸🇬 737 58 25 Dec 2024 679th rambox11 737 67 2 Apr 2018 679th ETHproductions 🇺🇸 737 67 14 Apr 2018 679th frobinsonj 737 67 28 Jun 2018 679th dee-gomma 737 67 27 Mar 2019 679th elisherer 🇮🇱 737 67 23 Dec 2019 679th ArmaanAS 737 67 8 Mar 2021 685th elgan65536 737 85 22 Sep 2023 686th lynn 737 93 12 Jul 2023 687th sisyphus-ppcg 🇦🇺 737 95 14 Mar 2023 687th Lydxn 🇨🇦 737 95 14 Mar 2023 689th dokutan 736 59 14 Apr 2024 690th trist224 🇫🇷 736 64 15 Nov 2022 691st Steffan153 🇫🇮 736 99 28 Jan 2023 691st pardouin 🇫🇷 736 99 21 Sep 2024 691st sean-niemann 🇺🇸 736 99 9 May 2025 694th MeWhenI 🇻🇦 734 92 13 Jul 2021 695th Shanethegamer 🇺🇸 733 30 13 Jan 2022 696th edsrzf 🇳🇿 733 86 30 Dec 2024 697th MeWhenI 🇻🇦 732 76 16 May 2023 698th SirBogman 🇺🇸 730 45 7 Jan 2024 699th treeowl 729 79 27 Feb 2019 699th user189032 729 79 29 May 2019 699th cbrt-x 729 79 15 Sep 2023 702nd prplz 🇦🇺 729 86 30 Apr 2022 702nd pardouin 🇫🇷 729 86 24 Aug 2024 704th dokutan 728 136 22 Jan 2024 705th NewDefectus 🇮🇱 727 68 16 Dec 2021 706th Irratix 🇳🇱 726 41 1 Nov 2020 706th primo-ppcg 🇹🇭 726 41 2 Nov 2020 706th GrayJoKing 🇦🇺 726 41 27 Nov 2020 706th KatieLG 🇬🇧 726 41 9 Dec 2020 706th msbranicky 726 41 27 Jul 2023 706th dokutan 726 41 11 Nov 2023 706th AlephSquirrel 726 41 27 Jan 2025 713th emplv 🇱🇻 726 93 29 Jun 2022 714th ZakkkkAttackkkk 🇵🇭 725 65 21 Dec 2021 714th bob-th 725 65 5 Aug 2022 714th btjones0 725 65 22 Nov 2022 714th falsidge 725 65 21 Jun 2023 714th snoozingnewt 🇺🇸 725 65 3 Oct 2023 714th bizy-coder 725 65 13 Aug 2024 720th msbranicky 724 60 17 Jan 2024 720th JunkIce 724 60 23 Feb 2025 722nd dokutan 723 90 12 Feb 2025 723rd ovs-code 🇩🇪 722 95 10 Jan 2023 724th phdphil 721 43 9 Apr 2018 725th RussellEmerine 720 80 30 Nov 2019 726th lynn 720 87 7 Jul 2024 726th emgordon154 720 87 18 Feb 2025 726th edsrzf 🇳🇿 720 87 4 Mar 2025 726th DialFrost 🇸🇬 720 87 4 Apr 2025 726th acotis 720 87 15 Apr 2025 726th ovs-code 🇩🇪 720 87 20 Apr 2025 726th sean-niemann 🇺🇸 720 87 6 Jun 2025 733rd yzhs 🇩🇪 719 38 21 Jun 2022 734th retrohun 719 69 3 Nov 2024 735th Bubbler-4 717 49 13 Sep 2023 735th ovs-code 🇩🇪 717 49 13 Sep 2023 737th msbranicky 717 185 29 Aug 2023 738th GrayJoKing 🇦🇺 716 53 13 Sep 2021 738th primo-ppcg 🇹🇭 716 53 22 Sep 2021 740th jakzo 716 69 5 Sep 2021 740th Shanethegamer 🇺🇸 716 69 25 Apr 2023 742nd duckyluuk 🇳🇱 716 73 16 Dec 2024 743rd Natanaelel 🇸🇪 715 32 22 Jul 2022 743rd SirBogman 🇺🇸 715 32 10 Sep 2022 745th ovs-code 🇩🇪 715 98 17 Mar 2023 746th Attero 🇸🇪 714 66 25 Sep 2020 746th nstearns96 🇬🇧 714 66 15 Dec 2022 746th CornerMercury 🇬🇧 714 66 14 Feb 2025 749th GrayJoKing 🇦🇺 714 72 14 Jun 2022 749th primo-ppcg 🇹🇭 714 72 21 Jun 2022 Prev 676–750 of 2,885 Next