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 748th suwat513 732 81 284ms 15 Sep 2022 748th LogicalJoe 732 81 211ms 7 Oct 2022 748th Eilonlif 🇮🇱 732 81 290ms 3 Nov 2022 748th janbehrens 🇩🇪 732 81 206ms 17 Jun 2023 748th ryyyn 🇺🇸 732 81 272ms 17 Jan 2025 748th bknower 732 81 22ms 26 Jun 2025 748th edsrzf 🇳🇿 732 81 217ms 22 Jul 2025 758th janbehrens 🇩🇪 731 64 480ms 9 Nov 2021 759th jared-hughes 731 94 2ms 14 Mar 2022 759th KenanHanke 731 94 2ms 22 Feb 2023 761st jared-hughes 731 128 65ms 20 Jul 2022 761st Alex-x90 🇺🇸 731 128 75ms 14 Nov 2022 763rd snoozingnewt 🇺🇸 731 136 145ms 29 Sep 2025 764th AlephSquirrel 730 81 11ms 8 Aug 2022 765th primo-ppcg 🇹🇭 729 104 338ms 21 Nov 2021 765th Irratix 🇳🇱 729 104 346ms 13 Dec 2021 765th ericlangedijk 🇸🇮 729 104 379ms 17 Mar 2022 765th CaedenHarper 🇨🇦 729 104 337ms 17 days ago 769th dokutan 729 109 103ms 4 days ago 770th MeWhenI 🇻🇦 728 68 1,690ms 28 Jan 2023 770th Feniske 🇫🇷 728 68 1,557ms 7 Nov 2023 772nd MeWhenI 🇻🇦 728 73 133ms 3 Aug 2024 773rd snoozingnewt 🇺🇸 728 84 81ms 22 Oct 2025 774th DialFrost 🇸🇬 728 91 24ms 31 Oct 2023 775th neel11235813 727 77 594ms 15 Jan 2024 775th CaedenHarper 🇨🇦 727 77 674ms 14 Jul 2025 777th Shanethegamer 🇺🇸 727 104 17ms 17 Dec 2023 778th snoozingnewt 🇺🇸 727 105 43ms 1 Sep 2024 779th GrayJoKing 🇦🇺 727 113 407ms 28 Feb 2022 780th jerrandolph 727 162 253ms 3 Nov 2023 781st Yewzir 🇧🇪 726 90 40ms 14 Jan 2024 782nd Schmitt-Very-Cool 725 128 329ms 30 Sep 2025 783rd scpchicken 🇵🇼 725 137 154ms 19 May 2022 784th albanian-laundromat 724 190 551ms 18 Oct 2025 785th stefangimmillaro 723 82 293ms 27 Sep 2021 785th NewDefectus 🇮🇱 723 82 21ms 16 Dec 2021 785th CedricGebistorf 723 82 224ms 25 Feb 2022 785th aksyristos 723 82 180ms 12 Feb 2023 785th quimey 723 82 212ms 22 Mar 2023 785th StefanHabel 🇨🇦 723 82 280ms 26 Mar 2023 785th Fracture17 723 82 272ms 8 Apr 2023 785th Re-Adventures 🇮🇳 723 82 211ms 20 Jul 2023 785th Natanaelel 🇸🇪 723 82 208ms 29 Oct 2023 785th codingisgreatbutiamnot 723 82 278ms 25 Jul 2024 785th klixel 🇨🇦 723 82 294ms 17 Jan 2025 785th blaztoma 🇱🇹 723 82 258ms 7 days ago 797th AlephSquirrel 723 95 2ms 8 Jun 2023 798th Shanethegamer 🇺🇸 722 57 112ms 27 Sep 2021 799th arctouch-cristiannevianna 722 105 373ms 26 May 2023 799th annaproxy 722 105 367ms 11 Apr 2025 801st randolchance 721 82 10ms 11 Jan 2023 802nd annaproxy 721 105 35ms 8 Jan 2023 802nd snoozingnewt 🇺🇸 721 105 127ms 3 Oct 2025 804th MeWhenI 🇻🇦 720 118 40ms 13 Feb 2025 805th Shanethegamer 🇺🇸 720 121 53ms 15 Dec 2022 806th GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 807th Shanethegamer 🇺🇸 718 74 138ms 19 Aug 2024 808th RockOfStone 718 106 2ms 4 Nov 2021 808th frosster 718 106 15ms 26 Mar 2025 810th targrik 718 164 253ms 30 Jun 2025 811th dcgjb 717 69 985ms 6 May 2024 812th prplz 🇦🇺 715 42 193ms 27 Sep 2021 813th neihousaigaai 714 83 20ms 3 Jan 2022 813th cesarm4 714 83 191ms 16 Apr 2022 813th nstearns96 🇬🇧 714 83 245ms 27 Jan 2023 813th randolchance 714 83 20ms 16 Feb 2023 813th galloj 🇨🇿 714 83 3,188ms 5 Mar 2023 813th yzhs 🇩🇪 714 83 228ms 23 Jun 2023 813th m42km 714 83 303ms 12 Oct 2023 820th emgordon154 714 100 13ms 27 Dec 2024 821st lynn 714 106 43ms 16 Nov 2021 822nd janbehrens 🇩🇪 714 115 428ms 23 Mar 2022 823rd emgordon154 713 36 8ms 3 Nov 2024 824th tayloia 🇬🇧 713 83 12ms 11 May 2023 824th acollett89 713 83 11ms 4 Aug 2025 First Prev 751–825 of 1,986 Next Last