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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 526th m-tkach 🇺🇦 807 120 18 Dec 2023 527th ovs-code 🇩🇪 806 66 15 Aug 2024 527th sisyphus-ppcg 🇦🇺 806 66 19 Aug 2024 529th Shanethegamer 🇺🇸 806 93 20 Sep 2021 529th Yewzir 🇧🇪 806 93 27 Mar 2024 531st AdrienHache 🇫🇷 806 94 2 Jun 2023 531st billings7 🇬🇧 806 94 21 May 2024 533rd albanian-laundromat 806 108 16 days ago 534th snyderek 🇺🇸 806 116 6 Oct 2024 535th kimbo 🇺🇸 806 146 12 Jan 2023 535th albanian-laundromat 806 146 26 days ago 537th targrik 805 81 14 days ago 538th elgan65536 805 123 5 Mar 2024 539th jacobly0 🇺🇸 805 181 7 Jan 2024 540th Shanethegamer 🇺🇸 804 100 10 Sep 2022 541st msbranicky 803 91 11 Oct 2023 542nd GrayJoKing 🇦🇺 803 94 23 Oct 2023 543rd KenanSi 802 32 24 Feb 2022 543rd ashtraypettingzoo 🇺🇸 802 32 5 Apr 2023 545th xnor-gate 801 74 23 Oct 2023 545th 4atj 801 74 30 Jun 2025 545th csharpython 801 74 15 days ago 548th Steffan153 🇫🇮 800 95 21 Feb 2023 549th AlephSquirrel 800 104 6 Aug 2024 550th c0d3-4-F00d 🇩🇪 799 74 5 Jan 2022 550th Maznek 799 74 19 Jun 2023 550th thisishowmymindworks 🇳🇴 799 74 9 Jun 2024 550th snoozingnewt 🇺🇸 799 74 1 Sep 2024 554th AlephSquirrel 799 89 20 Apr 2023 555th GolfingSuccess 🇬🇷 799 117 19 Mar 2025 556th jared-hughes 798 124 10 Nov 2022 556th Re-Adventures 🇮🇳 798 124 22 Jun 2023 558th Natanaelel 🇸🇪 796 72 26 Sep 2023 559th brimstonetrader 796 85 26 Jan 2024 560th GolfingSuccess 🇬🇷 796 172 19 Jan 2025 561st snoozingnewt 🇺🇸 795 148 4 Feb 2024 562nd inventshah 795 158 8 Sep 2022 563rd dokutan 794 67 4 Feb 2025 564th Shanethegamer 🇺🇸 793 29 22 Jul 2022 565th DialFrost 🇸🇬 793 63 21 Jan 2025 566th clockworknazo 793 83 13 Oct 2022 566th ovs-code 🇩🇪 793 83 7 Feb 2023 568th MeWhenI 🇻🇦 793 100 15 Oct 2022 569th tailorspy 793 118 22 Sep 2024 570th sisyphus-ppcg 🇦🇺 792 96 7 Apr 2022 570th DialFrost 🇸🇬 792 96 31 Oct 2024 570th sean-niemann 🇺🇸 792 96 9 Apr 2025 570th edsrzf 🇳🇿 792 96 6 days ago 574th MeWhenI 🇻🇦 792 110 17 Feb 2023 575th primo-ppcg 🇹🇭 791 61 9 Feb 2022 576th Alessandro-Balconi 🇮🇹 791 77 14 Jul 2023 577th wh3n3v3r 🇨🇿 790 75 13 Nov 2024 578th DialFrost 🇸🇬 789 149 28 Jan 2023 578th LostSyntax21 🇬🇧 789 149 8 Jan 2025 580th edsrzf 🇳🇿 788 99 5 Jan 2025 581st MeWhenI 🇻🇦 787 104 17 Aug 2023 582nd Shanethegamer 🇺🇸 787 185 12 Oct 2021 583rd MeWhenI 🇻🇦 786 96 15 Nov 2022 584th Herbert00709 🇵🇱 786 119 4 Sep 2024 585th Shanethegamer 🇺🇸 785 84 15 Jan 2023 586th mousetail 🇳🇱 784 54 15 Jan 2024 587th NickTheEASDude 🇺🇸 783 97 9 May 2024 588th Shanethegamer 🇺🇸 781 97 20 Jun 2022 589th Shanethegamer 🇺🇸 780 60 9 Mar 2023 590th JunkIce 780 76 3 Dec 2024 591st NewDefectus 🇮🇱 780 88 16 Dec 2021 592nd janbehrens 🇩🇪 779 120 20 Nov 2022 592nd oceko 779 120 19 Feb 2024 594th gnuvince 778 33 2 Aug 2024 594th codereport 🇨🇦 778 33 21 Apr 2025 596th DialFrost 🇸🇬 778 112 30 Mar 2025 597th cbrt-x 778 162 25 Sep 2021 598th nwellnhof 🇩🇪 776 53 26 Dec 2021 599th aposteriorist 🇨🇦 773 106 5 Mar 2022 600th ListeriaM 772 89 25 Aug 2023 Prev 526–600 of 1,832 Next