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 750th jacklynnepenick 732 81 206ms 5 Nov 2021 750th guilhem-roy 🇫🇷 732 81 287ms 26 Feb 2022 750th suwat513 732 81 284ms 15 Sep 2022 750th LogicalJoe 732 81 211ms 7 Oct 2022 750th Eilonlif 🇮🇱 732 81 290ms 3 Nov 2022 750th janbehrens 🇩🇪 732 81 206ms 17 Jun 2023 750th ryyyn 🇺🇸 732 81 272ms 17 Jan 2025 750th bknower 732 81 22ms 26 Jun 2025 750th edsrzf 🇳🇿 732 81 217ms 22 Jul 2025 760th janbehrens 🇩🇪 731 64 480ms 9 Nov 2021 761st jared-hughes 731 94 2ms 14 Mar 2022 761st KenanHanke 731 94 2ms 22 Feb 2023 763rd jared-hughes 731 128 65ms 20 Jul 2022 763rd Alex-x90 🇺🇸 731 128 75ms 14 Nov 2022 765th snoozingnewt 🇺🇸 731 136 145ms 29 Sep 2025 766th AlephSquirrel 730 81 11ms 8 Aug 2022 767th primo-ppcg 🇹🇭 729 104 338ms 21 Nov 2021 767th Irratix 🇳🇱 729 104 346ms 13 Dec 2021 767th ericlangedijk 🇸🇮 729 104 379ms 17 Mar 2022 767th CaedenHarper 🇨🇦 729 104 337ms 18 days ago 771st dokutan 729 109 103ms 4 days ago 772nd MeWhenI 🇻🇦 728 68 1,690ms 28 Jan 2023 772nd Feniske 🇫🇷 728 68 1,557ms 7 Nov 2023 774th MeWhenI 🇻🇦 728 73 133ms 3 Aug 2024 775th snoozingnewt 🇺🇸 728 84 81ms 22 Oct 2025 776th DialFrost 🇸🇬 728 91 24ms 31 Oct 2023 777th neel11235813 727 77 594ms 15 Jan 2024 777th CaedenHarper 🇨🇦 727 77 674ms 14 Jul 2025 779th Shanethegamer 🇺🇸 727 104 17ms 17 Dec 2023 780th snoozingnewt 🇺🇸 727 105 43ms 1 Sep 2024 781st GrayJoKing 🇦🇺 727 113 407ms 28 Feb 2022 782nd jerrandolph 727 162 253ms 3 Nov 2023 783rd Yewzir 🇧🇪 726 90 40ms 14 Jan 2024 784th Schmitt-Very-Cool 725 128 329ms 30 Sep 2025 785th scpchicken 🇵🇼 725 137 154ms 19 May 2022 786th albanian-laundromat 724 190 551ms 18 Oct 2025 787th stefangimmillaro 723 82 293ms 27 Sep 2021 787th NewDefectus 🇮🇱 723 82 21ms 16 Dec 2021 787th CedricGebistorf 723 82 224ms 25 Feb 2022 787th aksyristos 723 82 180ms 12 Feb 2023 787th quimey 723 82 212ms 22 Mar 2023 787th StefanHabel 🇨🇦 723 82 280ms 26 Mar 2023 787th Fracture17 723 82 272ms 8 Apr 2023 787th Re-Adventures 🇮🇳 723 82 211ms 20 Jul 2023 787th Natanaelel 🇸🇪 723 82 208ms 29 Oct 2023 787th codingisgreatbutiamnot 723 82 278ms 25 Jul 2024 787th klixel 🇨🇦 723 82 294ms 17 Jan 2025 787th blaztoma 🇱🇹 723 82 258ms 8 days ago 799th AlephSquirrel 723 95 2ms 8 Jun 2023 800th Shanethegamer 🇺🇸 722 57 112ms 27 Sep 2021 801st arctouch-cristiannevianna 722 105 373ms 26 May 2023 801st annaproxy 722 105 367ms 11 Apr 2025 803rd randolchance 721 82 10ms 11 Jan 2023 804th annaproxy 721 105 35ms 8 Jan 2023 804th snoozingnewt 🇺🇸 721 105 127ms 3 Oct 2025 806th Shanethegamer 🇺🇸 721 121 53ms 15 Dec 2022 807th MeWhenI 🇻🇦 720 118 40ms 13 Feb 2025 808th GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 809th Shanethegamer 🇺🇸 718 74 138ms 19 Aug 2024 810th RockOfStone 718 106 2ms 4 Nov 2021 810th frosster 718 106 15ms 26 Mar 2025 812th targrik 718 164 253ms 30 Jun 2025 813th dcgjb 717 69 985ms 6 May 2024 814th prplz 🇦🇺 715 42 193ms 27 Sep 2021 815th neihousaigaai 714 83 20ms 3 Jan 2022 815th cesarm4 714 83 191ms 16 Apr 2022 815th nstearns96 🇬🇧 714 83 245ms 27 Jan 2023 815th randolchance 714 83 20ms 16 Feb 2023 815th galloj 🇨🇿 714 83 3,188ms 5 Mar 2023 815th yzhs 🇩🇪 714 83 228ms 23 Jun 2023 815th m42km 714 83 303ms 12 Oct 2023 822nd emgordon154 714 100 13ms 27 Dec 2024 823rd lynn 714 106 43ms 16 Nov 2021 824th janbehrens 🇩🇪 714 115 428ms 23 Mar 2022 825th emgordon154 713 36 8ms 3 Nov 2024 First Prev 751–825 of 1,990 Next Last