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 676th rambox11 737 67 2 Apr 2018 676th ETHproductions 🇺🇸 737 67 14 Apr 2018 676th frobinsonj 737 67 28 Jun 2018 676th dee-gomma 737 67 27 Mar 2019 676th elisherer 🇮🇱 737 67 23 Dec 2019 676th ArmaanAS 737 67 8 Mar 2021 682nd elgan65536 737 85 22 Sep 2023 683rd lynn 737 93 12 Jul 2023 684th sisyphus-ppcg 🇦🇺 737 95 14 Mar 2023 684th Lydxn 🇨🇦 737 95 14 Mar 2023 686th dokutan 736 59 14 Apr 2024 687th trist224 🇫🇷 736 64 15 Nov 2022 688th Steffan153 🇫🇮 736 99 28 Jan 2023 688th pardouin 🇫🇷 736 99 21 Sep 2024 688th sean-niemann 🇺🇸 736 99 9 May 2025 691st MeWhenI 🇻🇦 734 92 13 Jul 2021 692nd Shanethegamer 🇺🇸 733 30 13 Jan 2022 693rd edsrzf 🇳🇿 733 86 30 Dec 2024 694th MeWhenI 🇻🇦 732 76 16 May 2023 695th SirBogman 🇺🇸 730 45 7 Jan 2024 696th treeowl 729 79 27 Feb 2019 696th user189032 729 79 29 May 2019 696th cbrt-x 729 79 15 Sep 2023 699th prplz 🇦🇺 729 86 30 Apr 2022 699th pardouin 🇫🇷 729 86 24 Aug 2024 701st dokutan 728 136 22 Jan 2024 702nd NewDefectus 🇮🇱 727 68 16 Dec 2021 703rd Irratix 🇳🇱 726 41 1 Nov 2020 703rd primo-ppcg 🇹🇭 726 41 2 Nov 2020 703rd GrayJoKing 🇦🇺 726 41 27 Nov 2020 703rd KatieLG 🇬🇧 726 41 9 Dec 2020 703rd msbranicky 726 41 27 Jul 2023 703rd dokutan 726 41 11 Nov 2023 703rd AlephSquirrel 726 41 27 Jan 2025 710th emplv 🇱🇻 726 93 29 Jun 2022 711th ZakkkkAttackkkk 🇵🇭 725 65 21 Dec 2021 711th bob-th 725 65 5 Aug 2022 711th btjones0 725 65 22 Nov 2022 711th falsidge 725 65 21 Jun 2023 711th snoozingnewt 🇺🇸 725 65 3 Oct 2023 711th bizy-coder 725 65 13 Aug 2024 717th msbranicky 724 60 17 Jan 2024 717th JunkIce 724 60 23 Feb 2025 719th dokutan 723 90 12 Feb 2025 720th ovs-code 🇩🇪 722 95 10 Jan 2023 721st phdphil 721 43 9 Apr 2018 722nd RussellEmerine 720 80 30 Nov 2019 723rd lynn 720 87 7 Jul 2024 723rd emgordon154 720 87 18 Feb 2025 723rd edsrzf 🇳🇿 720 87 4 Mar 2025 723rd DialFrost 🇸🇬 720 87 4 Apr 2025 723rd acotis 720 87 15 Apr 2025 723rd ovs-code 🇩🇪 720 87 20 Apr 2025 723rd sean-niemann 🇺🇸 720 87 6 Jun 2025 730th yzhs 🇩🇪 719 38 21 Jun 2022 731st retrohun 719 69 3 Nov 2024 732nd Bubbler-4 717 49 13 Sep 2023 732nd ovs-code 🇩🇪 717 49 13 Sep 2023 734th msbranicky 717 185 29 Aug 2023 735th GrayJoKing 🇦🇺 716 53 13 Sep 2021 735th primo-ppcg 🇹🇭 716 53 22 Sep 2021 737th jakzo 716 69 5 Sep 2021 737th Shanethegamer 🇺🇸 716 69 25 Apr 2023 739th duckyluuk 🇳🇱 716 73 16 Dec 2024 740th Natanaelel 🇸🇪 715 32 22 Jul 2022 740th SirBogman 🇺🇸 715 32 10 Sep 2022 742nd ovs-code 🇩🇪 715 98 17 Mar 2023 743rd Attero 🇸🇪 714 66 25 Sep 2020 743rd nstearns96 🇬🇧 714 66 15 Dec 2022 743rd CornerMercury 🇬🇧 714 66 14 Feb 2025 746th GrayJoKing 🇦🇺 714 72 14 Jun 2022 746th primo-ppcg 🇹🇭 714 72 21 Jun 2022 748th DialFrost 🇸🇬 714 76 26 Dec 2024 749th ovs-code 🇩🇪 713 83 10 Oct 2023 750th duckyluuk 🇳🇱 712 60 26 Oct 2024 Prev 676–750 of 2,881 Next