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 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 751st AlephSquirrel 730 81 13ms 8 Aug 2022 752nd primo-ppcg 🇹🇭 729 104 356ms 21 Nov 2021 752nd Irratix 🇳🇱 729 104 317ms 13 Dec 2021 752nd ericlangedijk 🇸🇮 729 104 369ms 17 Mar 2022 755th MeWhenI 🇻🇦 728 68 1,774ms 28 Jan 2023 755th Feniske 🇫🇷 728 68 1,602ms 7 Nov 2023 757th MeWhenI 🇻🇦 728 73 145ms 3 Aug 2024 758th neel11235813 727 77 594ms 15 Jan 2024 758th CaedenHarper 🇨🇦 727 77 674ms 14 Jul 2025 760th Shanethegamer 🇺🇸 727 104 17ms 17 Dec 2023 761st snoozingnewt 🇺🇸 727 105 43ms 1 Sep 2024 762nd jerrandolph 727 162 301ms 3 Nov 2023 763rd snoozingnewt 🇺🇸 726 84 81ms 12 days ago 764th Yewzir 🇧🇪 726 90 40ms 14 Jan 2024 765th DialFrost 🇸🇬 726 91 26ms 31 Oct 2023 766th GrayJoKing 🇦🇺 726 113 407ms 28 Feb 2022 767th scpchicken 🇵🇼 725 137 155ms 19 May 2022 768th Schmitt-Very-Cool 724 128 368ms 30 Sep 2025 769th albanian-laundromat 724 190 870ms 16 days ago 770th stefangimmillaro 723 82 318ms 27 Sep 2021 770th NewDefectus 🇮🇱 723 82 20ms 16 Dec 2021 770th CedricGebistorf 723 82 218ms 25 Feb 2022 770th aksyristos 723 82 183ms 12 Feb 2023 770th quimey 723 82 263ms 22 Mar 2023 770th StefanHabel 🇨🇦 723 82 329ms 26 Mar 2023 770th Fracture17 723 82 283ms 8 Apr 2023 770th Re-Adventures 🇮🇳 723 82 242ms 20 Jul 2023 770th Natanaelel 🇸🇪 723 82 239ms 29 Oct 2023 770th codingisgreatbutiamnot 723 82 337ms 25 Jul 2024 770th klixel 🇨🇦 723 82 327ms 17 Jan 2025 781st AlephSquirrel 723 95 2ms 8 Jun 2023 782nd Shanethegamer 🇺🇸 722 57 112ms 27 Sep 2021 783rd arctouch-cristiannevianna 722 105 385ms 26 May 2023 783rd annaproxy 722 105 392ms 11 Apr 2025 785th randolchance 721 82 11ms 11 Jan 2023 786th annaproxy 721 105 35ms 8 Jan 2023 786th snoozingnewt 🇺🇸 721 105 138ms 3 Oct 2025 788th GolfingSuccess 🇬🇷 720 112 4ms 11 Sep 2022 789th Shanethegamer 🇺🇸 720 121 53ms 15 Dec 2022 790th Shanethegamer 🇺🇸 718 74 159ms 19 Aug 2024 791st RockOfStone 718 106 2ms 4 Nov 2021 791st frosster 718 106 15ms 26 Mar 2025 793rd MeWhenI 🇻🇦 718 118 40ms 13 Feb 2025 794th targrik 718 164 282ms 30 Jun 2025 795th dcgjb 717 69 1,140ms 6 May 2024 796th prplz 🇦🇺 715 42 204ms 27 Sep 2021 797th neihousaigaai 714 83 21ms 3 Jan 2022 797th cesarm4 714 83 202ms 16 Apr 2022 797th nstearns96 🇬🇧 714 83 280ms 27 Jan 2023 797th randolchance 714 83 39ms 16 Feb 2023 797th galloj 🇨🇿 714 83 3,173ms 5 Mar 2023 797th yzhs 🇩🇪 714 83 225ms 23 Jun 2023 797th m42km 714 83 356ms 12 Oct 2023 804th lynn 714 106 43ms 16 Nov 2021 805th sean-niemann 🇺🇸 714 113 4ms 13 Sep 2022 805th Yewzir 🇧🇪 714 113 3ms 13 Jan 2024 807th emgordon154 713 36 8ms 3 Nov 2024 808th tayloia 🇬🇧 713 83 13ms 11 May 2023 808th acollett89 713 83 15ms 4 Aug 2025 808th CaedenHarper 🇨🇦 713 83 20ms 15 Sep 2025 811th emgordon154 713 100 13ms 27 Dec 2024 812th janbehrens 🇩🇪 713 115 428ms 23 Mar 2022 813th MeWhenI 🇻🇦 711 93 20ms 2 Oct 2022 814th Waffle3z 710 58 103ms 19 Sep 2021 814th emgordon154 710 58 57ms 12 Dec 2021 814th jbbarth 🇫🇷 710 58 39ms 5 Nov 2022 817th MeWhenI 🇻🇦 708 79 556ms 17 Jan 2024 817th namelessiw 708 79 543ms 14 Jul 2024 819th GolfingSuccess 🇬🇷 708 97 2ms 19 Mar 2025 820th DialFrost 🇸🇬 707 114 11ms 28 Oct 2024 821st Bonjour27891 🇻🇳 706 84 86ms 9 Feb 2022 821st RDShah 706 84 404ms 11 May 2022 821st thehylian 706 84 23ms 2 Jan 2023 821st badboj40 706 84 313ms 12 Feb 2023 821st firegene 🇮🇪 706 84 21ms 22 Dec 2023 First Prev 751–825 of 1,964 Next Last