Happy Numbers (Long) 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 Continued Fractions Crossword 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 Continued Fractions Crossword 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 374th DialFrost 🇸🇬 858 115 44ms 28 Jan 2023 374th edsrzf 🇳🇿 858 115 45ms 5 Nov 2024 374th snoozingnewt 🇺🇸 858 115 72ms 16 Oct 2025 374th blaztoma 🇱🇹 858 115 42ms 2 hours ago 380th lynn 857 35 342ms 19 Sep 2021 380th jared-hughes 857 35 36ms 30 Sep 2021 380th primo-ppcg 🇹🇭 857 35 41ms 24 Mar 2025 380th Natanaelel 🇸🇪 857 35 326ms 31 May 2025 380th fuzzylojik-golf 🇺🇸 857 35 35ms 9 Sep 2025 380th SirBogman 🇺🇸 857 35 45ms 23 Sep 2025 386th NewDefectus 🇮🇱 857 69 11ms 16 Dec 2021 386th Shanethegamer 🇺🇸 857 69 13ms 25 Apr 2023 388th stefangimmillaro 857 82 3,335ms 6 Nov 2024 388th emgordon154 857 82 3,123ms 8 Nov 2024 388th DialFrost 🇸🇬 857 82 3,096ms 19 Nov 2024 391st DialFrost 🇸🇬 857 87 32ms 12 Dec 2024 392nd ovs-code 🇩🇪 856 96 448ms 29 Jul 2024 393rd Shanethegamer 🇺🇸 854 98 5ms 20 Dec 2024 394th saito-ta 🇯🇵 852 27 499ms 12 Aug 2022 394th GolfingSuccess 🇬🇷 852 27 463ms 16 Aug 2022 394th clockworknazo 852 27 446ms 6 Sep 2022 394th orthoplex 🇨🇽 852 27 703ms 1 Feb 2024 398th DialFrost 🇸🇬 852 89 396ms 6 days ago 399th DialFrost 🇸🇬 851 58 1,169ms 13 Apr 2025 400th ovs-code 🇩🇪 851 89 14ms 30 Jun 2024 401st CLOStrophobic 🇮🇹 851 116 541ms 10 Feb 2025 402nd emplv 🇱🇻 850 148 29ms 29 Jun 2022 403rd MeWhenI 🇻🇦 849 72 82ms 13 Dec 2022 404th MeWhenI 🇻🇦 849 77 59ms 19 Sep 2021 404th snoozingnewt 🇺🇸 849 77 66ms 16 Oct 2025 406th The3gs 849 117 161ms 29 Nov 2024 407th Shanethegamer 🇺🇸 848 66 658ms 16 Jan 2024 407th snoozingnewt 🇺🇸 848 66 922ms 28 Sep 2025 407th Babafaba 848 66 575ms 20 days ago 410th CaedenHarper 🇨🇦 848 71 764ms 11 Sep 2025 411th marcin7Cd 848 80 157ms 29 Sep 2021 411th cbrt-x 848 80 145ms 15 Sep 2023 413th Steffan153 🇫🇮 848 81 4ms 12 Jan 2023 414th Lydxn 🇨🇦 848 90 53ms 20 Sep 2021 414th Steffan153 🇫🇮 848 90 53ms 12 Jan 2023 414th stefangimmillaro 848 90 44ms 26 Jan 2023 414th MeWhenI 🇻🇦 848 90 46ms 14 May 2023 414th DialFrost 🇸🇬 848 90 46ms 22 Oct 2024 419th lynn 848 115 29ms 21 Aug 2023 420th MeWhenI 🇻🇦 847 50 26ms 15 Feb 2025 421st MeWhenI 🇻🇦 847 70 19ms 22 Oct 2021 421st 2011-Chan-Ethan 847 70 319ms 12 Jul 2023 421st jatloe 847 70 297ms 27 Sep 2024 421st Flekay 🇩🇪 847 70 211ms 10 Jul 2025 425th inventshah 847 83 3,092ms 24 Oct 2024 425th aditsu 847 83 3,051ms 10 Aug 2025 427th duckyluuk 🇳🇱 847 88 29ms 12 Dec 2024 427th GolfingSuccess 🇬🇷 847 88 22ms 11 Sep 2025 429th edsrzf 🇳🇿 847 139 258ms 23 Oct 2024 430th Lydxn 🇨🇦 846 89 170ms 4 Sep 2023 431st snoozingnewt 🇺🇸 845 99 5ms 1 Sep 2024 432nd emplv 🇱🇻 844 63 134ms 17 Jul 2025 433rd Shanethegamer 🇺🇸 843 110 339ms 25 Sep 2025 433rd Yewzir 🇧🇪 843 110 352ms 2 Oct 2025 433rd CaedenHarper 🇨🇦 843 110 343ms 18 days ago 433rd MeWhenI 🇻🇦 843 110 335ms 15 days ago 437th MeWhenI 🇻🇦 843 163 943ms 28 Mar 2025 438th Yewzir 🇧🇪 842 118 125ms 5 Feb 2024 439th ovs-code 🇩🇪 842 180 1,530ms 14 Sep 2025 439th Yewzir 🇧🇪 842 180 1,601ms 9 days ago 441st janbehrens 🇩🇪 841 140 263ms 20 Sep 2021 442nd rucin93 🇵🇱 839 86 3ms 4 days ago 443rd ovs-code 🇩🇪 839 190 18ms 9 Jul 2024 444th emplv 🇱🇻 838 78 39ms 19 Apr 2024 445th primo-ppcg 🇹🇭 838 82 1ms 22 Sep 2021 445th nwellnhof 🇩🇪 838 82 2ms 22 Sep 2021 445th Attero 🇸🇪 838 82 4ms 23 Dec 2021 445th c0d3-4-F00d 🇩🇪 838 82 3ms 5 Jan 2022 445th snoozingnewt 🇺🇸 838 82 3ms 13 Sep 2025 450th DialFrost 🇸🇬 838 98 379ms 6 days ago First Prev 376–450 of 1,990 Next Last