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 451st nwellnhof 🇩🇪 831 79 462ms 25 Sep 2025 451st stefangimmillaro 831 79 471ms 19 days ago 453rd AdrienHache 🇫🇷 830 83 55ms 7 Jan 2024 453rd sean-niemann 🇺🇸 830 83 61ms 21 Mar 2025 455th stackofbears 828 33 35ms 14 Mar 2025 456th MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 457th AlephSquirrel 827 83 6ms 21 Jan 2023 458th stefangimmillaro 826 76 128ms 4 Oct 2023 459th agschwender 824 103 274ms 21 Apr 2020 459th JunkIce 824 103 273ms 23 Feb 2025 461st Shanethegamer 🇺🇸 823 66 110ms 13 Mar 2023 462nd AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 463rd Shanethegamer 🇺🇸 817 28 45ms 22 Jul 2022 464th Constructor7 812 58 10ms 24 Feb 2018 464th GolfingSuccess 🇬🇷 812 58 10ms 26 Mar 2018 464th xnor-gate 812 58 20ms 12 Apr 2018 464th kmaork 🇮🇱 812 58 11ms 18 Apr 2018 464th edre 812 58 10ms 30 Apr 2018 464th j55d 812 58 12ms 19 Sep 2018 464th daedals 812 58 10ms 16 Apr 2019 464th villfa 812 58 11ms 20 May 2019 464th TFeld00 🇩🇰 812 58 10ms 31 May 2019 464th marcin7Cd 812 58 9ms 27 Aug 2019 464th jiaminglimjm 🇲🇾 812 58 13ms 12 Dec 2019 464th SirBogman 🇺🇸 812 58 10ms 4 Jan 2020 464th thisishowmymindworks 🇳🇴 812 58 10ms 22 Jul 2020 464th ToriTheChicken 812 58 10ms 23 Jul 2020 464th anter69 🇭🇺 812 58 9ms 14 Jan 2021 464th lynn 812 58 9ms 2 Mar 2021 464th vezzick 812 58 11ms 7 Mar 2021 464th Indivicivet 812 58 10ms 26 Mar 2021 464th Larspolo 812 58 10ms 20 Jun 2021 464th emplv 🇱🇻 812 58 10ms 31 Aug 2021 464th jared-hughes 812 58 19ms 19 Sep 2021 464th ovs-code 🇩🇪 812 58 10ms 1 Feb 2022 464th MichaelMBradley 🇨🇦 812 58 10ms 11 Jun 2022 464th bricknellj 812 58 10ms 29 Jun 2022 464th janbehrens 🇩🇪 812 58 10ms 4 Jul 2022 464th betaveros 812 58 10ms 9 Aug 2022 464th 5quiwyrm 812 58 9ms 20 Aug 2022 464th ItsMeNoobieboy 812 58 13ms 21 Dec 2022 464th AlephSquirrel 812 58 12ms 28 Jan 2023 464th scpchicken 🇵🇼 812 58 10ms 28 Jan 2023 464th CheeseCake628 🇳🇴 812 58 18ms 16 Feb 2023 464th Just4FunCoder 812 58 10ms 22 Mar 2023 464th fourth-bit 812 58 11ms 11 Jul 2023 464th RYNO8 812 58 10ms 22 Aug 2023 464th Rubiksmath 812 58 9ms 25 Aug 2023 464th Yewzir 🇧🇪 812 58 12ms 6 Oct 2023 464th keelimeguy 🇺🇸 812 58 17ms 19 Oct 2023 464th 1231234md5 🇨🇳 812 58 13ms 13 Dec 2023 464th stackofbears 812 58 10ms 27 Dec 2023 464th CutSandstone 812 58 13ms 5 Jul 2024 464th Bulmenisaurus 812 58 9ms 17 Jul 2024 464th CaedenHarper 🇨🇦 812 58 11ms 6 Aug 2024 464th codingisgreatbutiamnot 812 58 16ms 12 Aug 2024 464th plcc0 812 58 10ms 20 Feb 2025 464th albanian-laundromat 812 58 10ms 30 Jun 2025 464th SanderRuud 812 58 9ms 13 Jul 2025 464th edsrzf 🇳🇿 812 58 11ms 15 Sep 2025 464th qpwoeirut 812 58 10ms 24 days ago 512th emplv 🇱🇻 811 67 105ms 14 Mar 2023 513th somebody1234 807 85 6ms 20 Nov 2018 513th dokutan 807 85 6ms 15 Jan 2024 513th Yewzir 🇧🇪 807 85 6ms 6 Feb 2024 516th ovs-code 🇩🇪 805 77 495ms 29 Jul 2024 517th lynn 804 34 41ms 13 Apr 2021 517th jared-hughes 804 34 34ms 30 Sep 2021 517th Natanaelel 🇸🇪 804 34 43ms 28 Nov 2023 517th SirBogman 🇺🇸 804 34 36ms 8 Jul 2025 517th fuzzylojik-golf 🇺🇸 804 34 35ms 9 Sep 2025 522nd sisyphus-ppcg 🇦🇺 804 91 1ms 18 May 2022 522nd ovs-code 🇩🇪 804 91 1ms 20 May 2022 522nd inventshah 804 91 1ms 4 Jun 2022 522nd nwellnhof 🇩🇪 804 91 2ms 8 Jul 2022 First Prev 451–525 of 3,058 Next Last