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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 675th ETHproductions 🇺🇸 737 67 14 Apr 2018 675th frobinsonj 737 67 28 Jun 2018 675th dee-gomma 737 67 27 Mar 2019 675th elisherer 🇮🇱 737 67 23 Dec 2019 675th ArmaanAS 737 67 8 Mar 2021 681st elgan65536 737 85 22 Sep 2023 682nd lynn 737 93 12 Jul 2023 683rd sisyphus-ppcg 🇦🇺 737 95 14 Mar 2023 683rd Lydxn 🇨🇦 737 95 14 Mar 2023 685th dokutan 736 59 14 Apr 2024 686th trist224 🇫🇷 736 64 15 Nov 2022 687th Steffan153 🇫🇮 736 99 28 Jan 2023 687th pardouin 🇫🇷 736 99 21 Sep 2024 687th sean-niemann 🇺🇸 736 99 9 May 2025 690th MeWhenI 🇻🇦 734 92 13 Jul 2021 691st Shanethegamer 🇺🇸 733 30 13 Jan 2022 692nd edsrzf 🇳🇿 733 86 30 Dec 2024 693rd MeWhenI 🇻🇦 732 76 16 May 2023 694th SirBogman 🇺🇸 730 45 7 Jan 2024 695th treeowl 729 79 27 Feb 2019 695th user189032 729 79 29 May 2019 695th cbrt-x 729 79 15 Sep 2023 698th prplz 🇦🇺 729 86 30 Apr 2022 698th pardouin 🇫🇷 729 86 24 Aug 2024 700th dokutan 728 136 22 Jan 2024 701st NewDefectus 🇮🇱 727 68 16 Dec 2021 702nd Irratix 🇳🇱 726 41 1 Nov 2020 702nd primo-ppcg 🇹🇭 726 41 2 Nov 2020 702nd GrayJoKing 🇦🇺 726 41 27 Nov 2020 702nd KatieLG 🇬🇧 726 41 9 Dec 2020 702nd msbranicky 726 41 27 Jul 2023 702nd dokutan 726 41 11 Nov 2023 702nd AlephSquirrel 726 41 27 Jan 2025 709th emplv 🇱🇻 726 93 29 Jun 2022 710th ZakkkkAttackkkk 🇵🇭 725 65 21 Dec 2021 710th bob-th 725 65 5 Aug 2022 710th btjones0 725 65 22 Nov 2022 710th falsidge 725 65 21 Jun 2023 710th snoozingnewt 🇺🇸 725 65 3 Oct 2023 710th bizy-coder 725 65 13 Aug 2024 716th msbranicky 724 60 17 Jan 2024 716th JunkIce 724 60 23 Feb 2025 718th dokutan 723 90 12 Feb 2025 719th ovs-code 🇩🇪 722 95 10 Jan 2023 720th phdphil 721 43 9 Apr 2018 721st RussellEmerine 720 80 30 Nov 2019 722nd lynn 720 87 7 Jul 2024 722nd emgordon154 720 87 18 Feb 2025 722nd edsrzf 🇳🇿 720 87 4 Mar 2025 722nd DialFrost 🇸🇬 720 87 4 Apr 2025 722nd acotis 720 87 15 Apr 2025 722nd ovs-code 🇩🇪 720 87 20 Apr 2025 722nd sean-niemann 🇺🇸 720 87 6 Jun 2025 729th yzhs 🇩🇪 719 38 21 Jun 2022 730th retrohun 719 69 3 Nov 2024 731st Bubbler-4 717 49 13 Sep 2023 731st ovs-code 🇩🇪 717 49 13 Sep 2023 733rd msbranicky 717 185 29 Aug 2023 734th GrayJoKing 🇦🇺 716 53 13 Sep 2021 734th primo-ppcg 🇹🇭 716 53 22 Sep 2021 736th jakzo 716 69 5 Sep 2021 736th Shanethegamer 🇺🇸 716 69 25 Apr 2023 738th duckyluuk 🇳🇱 716 73 16 Dec 2024 739th Natanaelel 🇸🇪 715 32 22 Jul 2022 739th SirBogman 🇺🇸 715 32 10 Sep 2022 741st ovs-code 🇩🇪 715 98 17 Mar 2023 742nd Attero 🇸🇪 714 66 25 Sep 2020 742nd nstearns96 🇬🇧 714 66 15 Dec 2022 742nd CornerMercury 🇬🇧 714 66 14 Feb 2025 745th GrayJoKing 🇦🇺 714 72 14 Jun 2022 745th primo-ppcg 🇹🇭 714 72 21 Jun 2022 747th DialFrost 🇸🇬 714 76 26 Dec 2024 748th ovs-code 🇩🇪 713 83 10 Oct 2023 749th duckyluuk 🇳🇱 712 60 26 Oct 2024 750th namelessiw 712 61 5 Mar 2024 Prev 676–750 of 2,879 Next