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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 898th sean-niemann 🇺🇸 675 57 4ms 21 Apr 2025 898th kg583 🇺🇸 675 57 4ms 26 Sep 2025 898th edsrzf 🇳🇿 675 57 4ms 26 Sep 2025 904th annaproxy 675 80 361ms 5 May 2022 904th Yewzir 🇧🇪 675 80 311ms 8 May 2023 904th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 907th marcin7Cd 674 78 2ms 17 May 2020 907th lynn 674 78 2ms 2 Oct 2021 907th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 907th AZTECCO 674 78 2ms 16 Sep 2025 911th gilufin 673 70 73ms 23 May 2021 911th kellantech 673 70 10ms 3 Jun 2023 911th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 911th Dataen 673 70 10ms 5 Jan 2024 911th katss2 673 70 12ms 14 Aug 2025 916th DialFrost 🇸🇬 672 58 903ms 1 Sep 2025 917th GrayJoKing 🇦🇺 672 88 1ms 9 Oct 2023 918th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 919th HumanoidCPU 671 73 278ms 3 May 2024 920th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 921st MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 921st snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 923rd weliveinhell 🇭🇹 668 74 11ms 3 Sep 2023 923rd Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 925th inventshah 668 83 3ms 3 Nov 2022 926th rucin93 🇵🇱 667 64 147ms 6 Sep 2024 927th jared-hughes 667 76 1ms 6 Mar 2022 928th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 928th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 928th dokutan 666 79 2ms 1 May 2024 928th xsot 🇸🇬 666 79 2ms 23 May 2024 928th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 928th Yax42 🇫🇷 666 79 2ms 10 days ago 934th Shanethegamer 🇺🇸 665 89 2ms 9 Oct 2023 934th MeWhenI 🇻🇦 665 89 2ms 10 Oct 2023 936th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 937th tnecio 664 71 10ms 29 Apr 2021 937th commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 939th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 939th strout 663 87 176ms 15 Dec 2023 941st DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 941st dokutan 662 73 2ms 27 Mar 2024 943rd Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 943rd annaproxy 662 106 7ms 12 Mar 2023 943rd scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 943rd neel11235813 662 106 7ms 14 Mar 2023 943rd dokutan 662 106 7ms 1 Apr 2023 943rd MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 943rd Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 943rd KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 943rd Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 943rd snoozingnewt 🇺🇸 662 106 9ms 20 days ago 953rd pardouin 🇫🇷 661 59 749ms 29 Aug 2025 954th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 954th xsot 🇸🇬 661 69 4ms 16 Jun 2024 956th nathanadams 🇳🇿 659 75 11ms 13 Oct 2021 957th emgordon154 657 80 2ms 22 Dec 2021 957th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 957th jared-hughes 657 80 2ms 30 Mar 2022 957th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 957th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 957th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 963rd msbranicky 657 90 2ms 11 Oct 2023 964th MeWhenI 🇻🇦 657 108 2ms 20 Apr 2022 965th Yewzir 🇧🇪 655 58 949ms 7 Feb 2024 966th cure-honey 🇯🇵 655 85 44ms 15 Jul 2021 967th janlelis 653 45 32ms 22 Jan 2021 968th GrayJoKing 🇦🇺 653 53 18ms 10 Apr 2021 968th scpchicken 🇵🇼 653 53 32ms 23 May 2021 968th kurkale6ka 653 53 19ms 16 Jun 2021 968th sean-niemann 🇺🇸 653 53 32ms 7 Sep 2021 968th MeWhenI 🇻🇦 653 53 33ms 15 Sep 2021 968th DaCuteRaccoon 653 53 32ms 30 Nov 2022 968th Steffan153 🇫🇮 653 53 32ms 28 Jan 2023 968th DialFrost 🇸🇬 653 53 33ms 28 Jan 2023 First Prev 901–975 of 3,059 Next Last