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 897th kg583 🇺🇸 675 57 4ms 26 Sep 2025 897th edsrzf 🇳🇿 675 57 4ms 26 Sep 2025 903rd annaproxy 675 80 361ms 5 May 2022 903rd Yewzir 🇧🇪 675 80 311ms 8 May 2023 903rd DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 906th marcin7Cd 674 78 2ms 17 May 2020 906th lynn 674 78 2ms 2 Oct 2021 906th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 906th AZTECCO 674 78 2ms 16 Sep 2025 910th gilufin 673 70 73ms 23 May 2021 910th kellantech 673 70 10ms 3 Jun 2023 910th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 910th Dataen 673 70 10ms 5 Jan 2024 910th katss2 673 70 12ms 14 Aug 2025 915th DialFrost 🇸🇬 672 58 982ms 1 Sep 2025 916th GrayJoKing 🇦🇺 672 88 1ms 9 Oct 2023 917th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 918th HumanoidCPU 671 73 278ms 3 May 2024 919th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 920th MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 920th snoozingnewt 🇺🇸 669 65 427ms 27 days ago 922nd weliveinhell 🇭🇹 668 74 11ms 3 Sep 2023 922nd Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 924th inventshah 668 83 3ms 3 Nov 2022 925th rucin93 🇵🇱 667 64 147ms 6 Sep 2024 926th jared-hughes 667 76 1ms 6 Mar 2022 927th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 927th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 927th dokutan 666 79 2ms 1 May 2024 927th xsot 🇸🇬 666 79 2ms 23 May 2024 927th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 927th Yax42 🇫🇷 666 79 2ms 10 days ago 933rd Shanethegamer 🇺🇸 665 89 2ms 9 Oct 2023 933rd MeWhenI 🇻🇦 665 89 2ms 10 Oct 2023 935th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 936th tnecio 664 71 10ms 29 Apr 2021 936th commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 938th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 938th strout 663 87 176ms 15 Dec 2023 940th DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 940th dokutan 662 73 2ms 27 Mar 2024 942nd Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 942nd annaproxy 662 106 7ms 12 Mar 2023 942nd scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 942nd neel11235813 662 106 7ms 14 Mar 2023 942nd dokutan 662 106 7ms 1 Apr 2023 942nd MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 942nd Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 942nd KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 942nd Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 942nd snoozingnewt 🇺🇸 662 106 9ms 19 days ago 952nd pardouin 🇫🇷 661 59 823ms 29 Aug 2025 953rd GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 953rd xsot 🇸🇬 661 69 4ms 16 Jun 2024 955th nathanadams 🇳🇿 659 75 11ms 13 Oct 2021 956th emgordon154 657 80 2ms 22 Dec 2021 956th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 956th jared-hughes 657 80 2ms 30 Mar 2022 956th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 956th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 956th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 962nd msbranicky 657 90 2ms 11 Oct 2023 963rd MeWhenI 🇻🇦 657 108 2ms 20 Apr 2022 964th Yewzir 🇧🇪 655 58 949ms 7 Feb 2024 965th cure-honey 🇯🇵 655 85 44ms 15 Jul 2021 966th janlelis 653 45 32ms 22 Jan 2021 967th GrayJoKing 🇦🇺 653 53 18ms 10 Apr 2021 967th scpchicken 🇵🇼 653 53 32ms 23 May 2021 967th kurkale6ka 653 53 19ms 16 Jun 2021 967th sean-niemann 🇺🇸 653 53 32ms 7 Sep 2021 967th MeWhenI 🇻🇦 653 53 33ms 15 Sep 2021 967th DaCuteRaccoon 653 53 32ms 30 Nov 2022 967th Steffan153 🇫🇮 653 53 32ms 28 Jan 2023 967th DialFrost 🇸🇬 653 53 33ms 28 Jan 2023 967th snoozingnewt 🇺🇸 653 53 48ms 1 Sep 2024 First Prev 901–975 of 3,058 Next Last