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 primo-ppcg 🇹🇭 675 57 4ms 27 Apr 2023 901st GrayJoKing 🇦🇺 675 57 4ms 20 Aug 2023 901st emgordon154 675 57 4ms 10 Jan 2025 901st sean-niemann 🇺🇸 675 57 4ms 21 Apr 2025 901st kg583 🇺🇸 675 57 4ms 26 Sep 2025 901st edsrzf 🇳🇿 675 57 4ms 26 Sep 2025 907th annaproxy 675 80 361ms 5 May 2022 907th Yewzir 🇧🇪 675 80 311ms 8 May 2023 907th DialFrost 🇸🇬 675 80 352ms 26 Dec 2024 910th marcin7Cd 674 78 2ms 17 May 2020 910th lynn 674 78 2ms 2 Oct 2021 910th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 910th AZTECCO 674 78 2ms 16 Sep 2025 914th gilufin 673 70 73ms 23 May 2021 914th kellantech 673 70 10ms 3 Jun 2023 914th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 914th Dataen 673 70 10ms 5 Jan 2024 914th katss2 673 70 12ms 14 Aug 2025 919th DialFrost 🇸🇬 672 58 699ms 1 Sep 2025 920th GrayJoKing 🇦🇺 672 88 1ms 9 Oct 2023 921st janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 922nd HumanoidCPU 671 73 277ms 3 May 2024 923rd GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 924th MeWhenI 🇻🇦 669 65 426ms 17 Jan 2024 924th snoozingnewt 🇺🇸 669 65 427ms 27 Sep 2025 926th weliveinhell 🇭🇹 668 74 11ms 3 Sep 2023 926th Lv0Sys 🇵🇱 668 74 11ms 31 May 2025 928th inventshah 668 83 3ms 3 Nov 2022 929th rucin93 🇵🇱 667 64 147ms 6 Sep 2024 930th jared-hughes 667 76 1ms 6 Mar 2022 931st m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 931st ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 931st dokutan 666 79 2ms 1 May 2024 931st xsot 🇸🇬 666 79 2ms 23 May 2024 931st DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 931st Yax42 🇫🇷 666 79 2ms 19 days ago 937th Shanethegamer 🇺🇸 665 89 2ms 9 Oct 2023 937th MeWhenI 🇻🇦 665 89 2ms 10 Oct 2023 939th GolfingSuccess 🇬🇷 665 110 2ms 13 May 2022 940th tnecio 664 71 10ms 29 Apr 2021 940th commandblockguy 🇺🇸 664 71 11ms 30 Sep 2022 942nd guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 942nd strout 663 87 176ms 15 Dec 2023 944th DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 944th dokutan 662 73 2ms 27 Mar 2024 946th Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 946th annaproxy 662 106 7ms 12 Mar 2023 946th scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 946th neel11235813 662 106 7ms 14 Mar 2023 946th dokutan 662 106 7ms 1 Apr 2023 946th MeWhenI 🇻🇦 662 106 7ms 23 Nov 2023 946th Yewzir 🇧🇪 662 106 7ms 6 Mar 2024 946th KatieLG 🇬🇧 662 106 7ms 31 Jul 2024 946th Shanethegamer 🇺🇸 662 106 9ms 11 May 2025 946th snoozingnewt 🇺🇸 662 106 9ms 5 Oct 2025 956th pardouin 🇫🇷 661 59 1,345ms 29 Aug 2025 957th GrayJoKing 🇦🇺 661 69 4ms 29 Apr 2021 957th xsot 🇸🇬 661 69 4ms 16 Jun 2024 959th nathanadams 🇳🇿 659 75 11ms 13 Oct 2021 960th emgordon154 657 80 2ms 22 Dec 2021 960th GrayJoKing 🇦🇺 657 80 2ms 13 Mar 2022 960th jared-hughes 657 80 2ms 30 Mar 2022 960th janbehrens 🇩🇪 657 80 2ms 26 Nov 2023 960th Herbert00709 🇵🇱 657 80 2ms 8 Jun 2024 960th roupiq 🇵🇱 657 80 2ms 9 Jun 2024 966th msbranicky 657 90 2ms 11 Oct 2023 967th MeWhenI 🇻🇦 657 108 2ms 20 Apr 2022 968th Yewzir 🇧🇪 655 58 949ms 7 Feb 2024 969th cure-honey 🇯🇵 655 85 44ms 15 Jul 2021 970th janlelis 653 45 32ms 22 Jan 2021 971st GrayJoKing 🇦🇺 653 53 18ms 10 Apr 2021 971st scpchicken 🇵🇼 653 53 32ms 23 May 2021 971st kurkale6ka 653 53 19ms 16 Jun 2021 971st sean-niemann 🇺🇸 653 53 32ms 7 Sep 2021 971st MeWhenI 🇻🇦 653 53 33ms 15 Sep 2021 First Prev 901–975 of 3,065 Next Last