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 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 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 896th snoozingnewt 🇺🇸 677 73 13ms 1 Sep 2024 902nd primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 902nd GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 902nd emgordon154 676 57 4ms 10 Jan 2025 902nd sean-niemann 🇺🇸 676 57 4ms 21 Apr 2025 902nd kg583 🇺🇸 676 57 4ms 26 Sep 2025 902nd edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 908th primo-ppcg 🇹🇭 676 105 1ms 3 Oct 2020 909th Attero 🇸🇪 675 46 132ms 4 May 2020 910th annaproxy 675 80 361ms 5 May 2022 910th Yewzir 🇧🇪 675 80 311ms 8 May 2023 910th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 913th marcin7Cd 674 78 2ms 17 May 2020 913th lynn 674 78 2ms 2 Oct 2021 913th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 913th AZTECCO 674 78 2ms 16 Sep 2025 917th gilufin 673 70 73ms 23 May 2021 917th kellantech 673 70 10ms 3 Jun 2023 917th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 917th Dataen 673 70 10ms 5 Jan 2024 917th katss2 673 70 12ms 14 Aug 2025 922nd DialFrost 🇸🇬 672 58 699ms 1 Sep 2025 923rd GrayJoKing 🇦🇺 672 88 1ms 9 Oct 2023 924th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 925th HumanoidCPU 671 73 277ms 3 May 2024 926th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 927th MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 927th snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 929th weliveinhell 🇭🇹 668 74 11ms 3 Sep 2023 929th Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 931st inventshah 668 83 3ms 3 Nov 2022 932nd rucin93 🇵🇱 667 64 134ms 6 Sep 2024 933rd jared-hughes 667 76 1ms 6 Mar 2022 934th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 934th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 934th dokutan 666 79 2ms 1 May 2024 934th xsot 🇸🇬 666 79 2ms 23 May 2024 934th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 934th Yax42 🇫🇷 666 79 2ms 23 days ago 940th Shanethegamer 🇺🇸 665 89 2ms 9 Oct 2023 940th MeWhenI 🇻🇦 665 89 2ms 10 Oct 2023 942nd GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 943rd tnecio 664 71 10ms 29 Apr 2021 943rd commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 945th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 945th strout 663 87 176ms 15 Dec 2023 947th DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 947th dokutan 662 73 2ms 27 Mar 2024 949th Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 949th annaproxy 662 106 7ms 12 Mar 2023 949th scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 949th neel11235813 662 106 7ms 14 Mar 2023 949th dokutan 662 106 7ms 1 Apr 2023 949th MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 949th Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 949th KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 949th Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 949th snoozingnewt 🇺🇸 662 106 9ms 5 Oct 2025 959th pardouin 🇫🇷 661 59 937ms 29 Aug 2025 960th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 960th xsot 🇸🇬 661 69 3ms 16 Jun 2024 962nd nathanadams 🇳🇿 659 75 11ms 13 Oct 2021 963rd CaedenHarper 🇨🇦 658 129 263ms 2 days ago 964th emgordon154 657 80 2ms 22 Dec 2021 964th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 964th jared-hughes 657 80 2ms 30 Mar 2022 964th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 964th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 964th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 970th msbranicky 657 90 2ms 11 Oct 2023 971st MeWhenI 🇻🇦 657 108 1ms 20 Apr 2022 972nd Yewzir 🇧🇪 655 58 949ms 7 Feb 2024 973rd cure-honey 🇯🇵 655 85 44ms 15 Jul 2021 974th janlelis 653 45 32ms 22 Jan 2021 975th GrayJoKing 🇦🇺 653 53 18ms 10 Apr 2021 First Prev 901–975 of 3,072 Next Last