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 901st didion0 🇺🇸 677 73 15ms 22 Apr 2021 901st itsh01 677 73 12ms 16 Aug 2021 901st c0d3-4-F00d 🇩🇪 677 73 12ms 5 Jan 2022 901st DaCuteRaccoon 677 73 11ms 30 Nov 2022 901st inventshah 677 73 9ms 28 Jan 2023 901st snoozingnewt 🇺🇸 677 73 10ms 1 Sep 2024 901st Yax42 🇫🇷 677 73 9ms 2 days ago 908th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 908th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 908th emgordon154 676 57 4ms 10 Jan 2025 908th sean-niemann 🇺🇸 676 57 4ms 21 Apr 2025 908th kg583 🇺🇸 676 57 4ms 26 Sep 2025 908th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 914th primo-ppcg 🇹🇭 676 105 1ms 3 Oct 2020 915th Attero 🇸🇪 675 46 132ms 4 May 2020 916th annaproxy 675 80 361ms 5 May 2022 916th Yewzir 🇧🇪 675 80 311ms 8 May 2023 916th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 919th marcin7Cd 674 78 2ms 17 May 2020 919th lynn 674 78 2ms 2 Oct 2021 919th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 919th AZTECCO 674 78 2ms 16 Sep 2025 923rd gilufin 673 70 71ms 23 May 2021 923rd kellantech 673 70 10ms 3 Jun 2023 923rd 2011-Chan-Ethan 673 70 73ms 12 Jul 2023 923rd Dataen 673 70 9ms 5 Jan 2024 923rd katss2 673 70 19ms 14 Aug 2025 928th DialFrost 🇸🇬 672 58 639ms 1 Sep 2025 929th HumanoidCPU 672 73 403ms 3 May 2024 930th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 931st GrayJoKing 🇦🇺 671 88 1ms 9 Oct 2023 932nd GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 933rd MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 933rd snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 935th weliveinhell 🇭🇹 668 74 9ms 3 Sep 2023 935th Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 937th inventshah 668 83 3ms 3 Nov 2022 938th rucin93 🇵🇱 667 64 134ms 6 Sep 2024 939th jared-hughes 667 76 1ms 6 Mar 2022 940th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 940th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 940th dokutan 666 79 2ms 1 May 2024 940th xsot 🇸🇬 666 79 2ms 23 May 2024 940th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 940th Yax42 🇫🇷 666 79 2ms 15 Oct 2025 946th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 947th tnecio 664 71 9ms 29 Apr 2021 947th commandblockguy 🇺🇸 664 71 9ms 30 Sep 2022 949th Shanethegamer 🇺🇸 664 89 2ms 9 Oct 2023 949th MeWhenI 🇻🇦 664 89 2ms 10 Oct 2023 951st guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 951st strout 663 87 176ms 15 Dec 2023 953rd DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 953rd dokutan 662 73 2ms 27 Mar 2024 955th Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 955th annaproxy 662 106 7ms 12 Mar 2023 955th scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 955th neel11235813 662 106 7ms 14 Mar 2023 955th dokutan 662 106 7ms 1 Apr 2023 955th MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 955th Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 955th KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 955th Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 955th snoozingnewt 🇺🇸 662 106 9ms 5 Oct 2025 965th pardouin 🇫🇷 661 59 641ms 29 Aug 2025 966th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 966th xsot 🇸🇬 661 69 3ms 16 Jun 2024 968th nathanadams 🇳🇿 659 75 12ms 13 Oct 2021 969th CaedenHarper 🇨🇦 658 129 263ms 10 days ago 970th emgordon154 657 80 2ms 22 Dec 2021 970th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 970th jared-hughes 657 80 2ms 30 Mar 2022 970th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 970th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 970th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 First Prev 901–975 of 3,081 Next Last