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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 900th itsh01 677 73 12ms 16 Aug 2021 900th c0d3-4-F00d 🇩🇪 677 73 12ms 5 Jan 2022 900th DaCuteRaccoon 677 73 11ms 30 Nov 2022 900th inventshah 677 73 9ms 28 Jan 2023 900th snoozingnewt 🇺🇸 677 73 10ms 1 Sep 2024 900th Yax42 🇫🇷 677 73 9ms 40 hours ago 907th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 907th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 907th emgordon154 676 57 4ms 10 Jan 2025 907th sean-niemann 🇺🇸 676 57 4ms 21 Apr 2025 907th kg583 🇺🇸 676 57 4ms 26 Sep 2025 907th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 913th primo-ppcg 🇹🇭 676 105 1ms 3 Oct 2020 914th Attero 🇸🇪 675 46 132ms 4 May 2020 915th annaproxy 675 80 361ms 5 May 2022 915th Yewzir 🇧🇪 675 80 311ms 8 May 2023 915th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 918th marcin7Cd 674 78 2ms 17 May 2020 918th lynn 674 78 2ms 2 Oct 2021 918th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 918th AZTECCO 674 78 2ms 16 Sep 2025 922nd gilufin 673 70 73ms 23 May 2021 922nd kellantech 673 70 10ms 3 Jun 2023 922nd 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 922nd Dataen 673 70 10ms 5 Jan 2024 922nd katss2 673 70 12ms 14 Aug 2025 927th DialFrost 🇸🇬 672 58 639ms 1 Sep 2025 928th HumanoidCPU 672 73 403ms 3 May 2024 929th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 930th GrayJoKing 🇦🇺 671 88 1ms 9 Oct 2023 931st GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 932nd MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 932nd snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 934th weliveinhell 🇭🇹 668 74 9ms 3 Sep 2023 934th Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 936th inventshah 668 83 3ms 3 Nov 2022 937th rucin93 🇵🇱 667 64 134ms 6 Sep 2024 938th jared-hughes 667 76 1ms 6 Mar 2022 939th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 939th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 939th dokutan 666 79 2ms 1 May 2024 939th xsot 🇸🇬 666 79 2ms 23 May 2024 939th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 939th Yax42 🇫🇷 666 79 2ms 15 Oct 2025 945th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 946th tnecio 664 71 10ms 29 Apr 2021 946th commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 948th Shanethegamer 🇺🇸 664 89 2ms 9 Oct 2023 948th MeWhenI 🇻🇦 664 89 2ms 10 Oct 2023 950th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 950th strout 663 87 176ms 15 Dec 2023 952nd DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 952nd dokutan 662 73 2ms 27 Mar 2024 954th Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 954th annaproxy 662 106 7ms 12 Mar 2023 954th scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 954th neel11235813 662 106 7ms 14 Mar 2023 954th dokutan 662 106 7ms 1 Apr 2023 954th MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 954th Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 954th KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 954th Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 954th snoozingnewt 🇺🇸 662 106 9ms 5 Oct 2025 964th pardouin 🇫🇷 661 59 641ms 29 Aug 2025 965th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 965th xsot 🇸🇬 661 69 3ms 16 Jun 2024 967th nathanadams 🇳🇿 659 75 12ms 13 Oct 2021 968th CaedenHarper 🇨🇦 658 129 263ms 9 days ago 969th emgordon154 657 80 2ms 22 Dec 2021 969th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 969th jared-hughes 657 80 2ms 30 Mar 2022 969th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 969th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 969th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 975th MeWhenI 🇻🇦 657 108 1ms 20 Apr 2022 First Prev 901–975 of 3,081 Next Last