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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 897th dokutan 661 106 1 Apr 2023 897th MeWhenI 🇻🇦 661 106 23 Nov 2023 897th Yewzir 🇧🇪 661 106 6 Mar 2024 897th KatieLG 🇬🇧 661 106 31 Jul 2024 897th Shanethegamer 🇺🇸 661 106 9 days ago 906th DialFrost 🇸🇬 660 73 5 Nov 2023 906th dokutan 660 73 27 Mar 2024 908th nathanadams 🇳🇿 658 75 13 Oct 2021 909th emgordon154 657 80 22 Dec 2021 909th GrayJoKing 🇦🇺 657 80 13 Mar 2022 909th jared-hughes 657 80 30 Mar 2022 909th janbehrens 🇩🇪 657 80 26 Nov 2023 909th Herbert00709 🇵🇱 657 80 8 Jun 2024 909th roupiq 🇵🇱 657 80 9 Jun 2024 915th msbranicky 657 90 11 Oct 2023 916th MeWhenI 🇻🇦 657 108 20 Apr 2022 917th Yewzir 🇧🇪 655 58 7 Feb 2024 918th cure-honey 🇯🇵 654 85 15 Jul 2021 919th janlelis 653 45 22 Jan 2021 920th GrayJoKing 🇦🇺 653 53 10 Apr 2021 920th scpchicken 🇵🇼 653 53 23 May 2021 920th kurkale6ka 653 53 16 Jun 2021 920th sean-niemann 🇺🇸 653 53 7 Sep 2021 920th MeWhenI 🇻🇦 653 53 15 Sep 2021 920th DaCuteRaccoon 653 53 30 Nov 2022 920th Steffan153 🇫🇮 653 53 28 Jan 2023 920th DialFrost 🇸🇬 653 53 28 Jan 2023 920th snoozingnewt 🇺🇸 653 53 1 Sep 2024 920th LostSyntax21 🇬🇧 653 53 8 Jan 2025 930th neihousaigaai 652 152 8 May 2021 931st janbehrens 🇩🇪 651 70 26 Nov 2023 932nd Yewzir 🇧🇪 651 85 8 Apr 2024 933rd emgordon154 650 76 22 Dec 2021 933rd KrausRaus 🇺🇸 650 76 26 May 2022 933rd helbling 🇨🇭 650 76 4 Jul 2024 936th MeWhenI 🇻🇦 650 78 27 Dec 2022 937th dokutan 650 112 2 Oct 2023 938th Attero 🇸🇪 649 81 4 May 2020 938th c0d3-4-F00d 🇩🇪 649 81 5 Jan 2022 940th emgordon154 649 143 22 Dec 2021 940th primo-ppcg 🇹🇭 649 143 5 Mar 2022 940th Yewzir 🇧🇪 649 143 13 Jul 2023 940th ovs-code 🇩🇪 649 143 10 Sep 2023 944th roavin 648 83 16 May 2022 945th akamayu-ouo 🇹🇼 647 34 30 Jul 2024 946th annaproxy 647 46 18 Feb 2022 947th inventshah 647 66 24 Oct 2024 948th SirBogman 🇺🇸 647 86 2 Nov 2022 949th Irratix 🇳🇱 647 89 23 Sep 2021 950th boxjelly 647 153 17 Feb 2021 951st bastatom 646 131 25 Feb 2024 951st dokutan 646 131 1 Apr 2024 953rd FlorianCassayre 🇫🇷 645 73 30 Oct 2022 953rd cykim8811 645 73 11 Jul 2024 955th lynn 645 113 27 May 2022 955th Natanaelel 🇸🇪 645 113 28 Aug 2022 955th DialFrost 🇸🇬 645 113 5 Jan 2025 958th jared-hughes 645 144 25 Oct 2022 959th Shanethegamer 🇺🇸 644 86 17 Jan 2025 960th lynn 643 59 25 May 2022 960th DialFrost 🇸🇬 643 59 26 Dec 2024 962nd stefangimmillaro 642 71 9 Jan 2022 962nd emplv 🇱🇻 642 71 21 Jul 2022 964th NewDefectus 🇮🇱 641 54 15 Dec 2021 965th edsrzf 🇳🇿 641 60 11 Apr 2025 966th jakobwitte 641 77 21 Mar 2018 966th Mikaeel66 641 77 11 Nov 2019 966th Re-Adventures 🇮🇳 641 77 18 May 2021 969th DialFrost 🇸🇬 641 79 26 Dec 2024 970th snoozingnewt 🇺🇸 641 82 1 Sep 2024 970th pardouin 🇫🇷 641 82 8 Oct 2024 970th LostSyntax21 🇬🇧 641 82 8 Jan 2025 970th TeodorDyakov 🇧🇬 641 82 5 Mar 2025 974th dpatterbee 641 132 24 Aug 2020 975th emplv 🇱🇻 637 67 28 Mar 2025 Prev 901–975 of 2,828 Next