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 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 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 901st Attero 🇸🇪 675 46 132ms 4 May 2020 902nd primo-ppcg 🇹🇭 675 57 4ms 27 Apr 2023 902nd GrayJoKing 🇦🇺 675 57 4ms 20 Aug 2023 902nd emgordon154 675 57 4ms 10 Jan 2025 902nd sean-niemann 🇺🇸 675 57 4ms 21 Apr 2025 902nd kg583 🇺🇸 675 57 4ms 26 Sep 2025 902nd edsrzf 🇳🇿 675 57 4ms 26 Sep 2025 908th annaproxy 675 80 361ms 5 May 2022 908th Yewzir 🇧🇪 675 80 311ms 8 May 2023 908th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 911th marcin7Cd 674 78 2ms 17 May 2020 911th lynn 674 78 2ms 2 Oct 2021 911th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 911th AZTECCO 674 78 2ms 16 Sep 2025 915th gilufin 673 70 73ms 23 May 2021 915th kellantech 673 70 10ms 3 Jun 2023 915th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 915th Dataen 673 70 10ms 5 Jan 2024 915th katss2 673 70 12ms 14 Aug 2025 920th DialFrost 🇸🇬 672 58 699ms 1 Sep 2025 921st GrayJoKing 🇦🇺 672 88 1ms 9 Oct 2023 922nd janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 923rd HumanoidCPU 671 73 277ms 3 May 2024 924th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 925th MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 925th snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 927th weliveinhell 🇭🇹 668 74 11ms 3 Sep 2023 927th Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 929th inventshah 668 83 3ms 3 Nov 2022 930th rucin93 🇵🇱 667 64 134ms 6 Sep 2024 931st jared-hughes 667 76 1ms 6 Mar 2022 932nd m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 932nd ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 932nd dokutan 666 79 2ms 1 May 2024 932nd xsot 🇸🇬 666 79 2ms 23 May 2024 932nd DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 932nd Yax42 🇫🇷 666 79 2ms 21 days ago 938th Shanethegamer 🇺🇸 665 89 2ms 9 Oct 2023 938th MeWhenI 🇻🇦 665 89 2ms 10 Oct 2023 940th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 941st tnecio 664 71 10ms 29 Apr 2021 941st commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 943rd guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 943rd strout 663 87 176ms 15 Dec 2023 945th DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 945th dokutan 662 73 2ms 27 Mar 2024 947th Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 947th annaproxy 662 106 7ms 12 Mar 2023 947th scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 947th neel11235813 662 106 7ms 14 Mar 2023 947th dokutan 662 106 7ms 1 Apr 2023 947th MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 947th Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 947th KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 947th Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 947th snoozingnewt 🇺🇸 662 106 9ms 5 Oct 2025 957th pardouin 🇫🇷 661 59 937ms 29 Aug 2025 958th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 958th xsot 🇸🇬 661 69 3ms 16 Jun 2024 960th nathanadams 🇳🇿 659 75 11ms 13 Oct 2021 961st CaedenHarper 🇨🇦 658 129 250ms 14 hours ago 962nd emgordon154 657 80 2ms 22 Dec 2021 962nd GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 962nd jared-hughes 657 80 2ms 30 Mar 2022 962nd janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 962nd Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 962nd roupiq 🇵🇱 657 80 2ms 9 Jun 2024 968th msbranicky 657 90 2ms 11 Oct 2023 969th MeWhenI 🇻🇦 657 108 2ms 20 Apr 2022 970th Yewzir 🇧🇪 655 58 949ms 7 Feb 2024 971st cure-honey 🇯🇵 655 85 44ms 15 Jul 2021 972nd janlelis 653 45 32ms 22 Jan 2021 973rd GrayJoKing 🇦🇺 653 53 18ms 10 Apr 2021 973rd scpchicken 🇵🇼 653 53 32ms 23 May 2021 973rd kurkale6ka 653 53 19ms 16 Jun 2021 First Prev 901–975 of 3,066 Next Last