All holes in C# in bytes. 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 Holes Points Bytes Submitted 516th SeWZC 1 881 84 23 Jul 2024 516th h3ra993huskp 🇯🇵 1 881 84 17 Aug 2025 528th arthvr9 2 880 284 5 Nov 2024 529th stdstijn 1 879 58 21 Nov 2021 529th magnusbakken 1 879 58 6 Dec 2021 529th Just4FunCoder 1 879 58 26 Aug 2024 532nd TheZwierzLF 🇵🇱 1 872 94 2 Jun 2025 533rd beezir 1 871 85 21 Nov 2021 533rd Bigsby 1 871 85 21 Nov 2021 533rd Codsilla 🇨🇦 1 871 85 21 Nov 2021 533rd drewnoakes 1 871 85 21 Nov 2021 533rd Gr3yR0n1n 1 871 85 21 Nov 2021 533rd luxor37 1 871 85 21 Nov 2021 533rd macco3k 1 871 85 21 Nov 2021 533rd mihailfox 1 871 85 21 Nov 2021 533rd MitchellNZ 1 871 85 21 Nov 2021 533rd TheAvonian 1 871 85 21 Nov 2021 533rd WoutStandaert 1 871 85 21 Nov 2021 533rd TETYYS 1 871 85 28 Feb 2022 533rd Andrew-Dupuis 1 871 85 10 Mar 2023 533rd FlorianRitter 1 871 85 12 Jul 2023 533rd keelimeguy 🇺🇸 1 871 85 23 Oct 2023 533rd fr13ndxd 1 871 85 12 Sep 2024 533rd bkarabinjr 1 871 85 3 Oct 2024 550th mathb0y512 1 861 72 8 Feb 2023 551st protron 1 860 86 6 Feb 2022 551st Patrik2089 1 860 86 23 Apr 2023 551st j7126 1 860 86 31 Aug 2023 551st shaohen 1 860 86 30 Nov 2023 555th JonMartinTx 1 859 502 26 Apr 2024 556th strout 1 857 245 19 Aug 2022 557th lleszczynski-PL 10 856 13,652 21 Nov 2021 558th bojernico 1 854 96 6 Apr 2023 559th ShepardToTheStars 1 851 74 4 Jan 2024 560th komoda102 1 851 87 21 Nov 2021 560th pfcode 1 851 87 21 Nov 2021 560th starfaerie 1 851 87 15 Oct 2023 560th Huobase 1 851 87 3 Nov 2024 560th ArmoryNode 1 851 87 3 Dec 2024 560th acollett89 1 851 87 20 Aug 2025 566th Bobini1 🇵🇱 1 850 60 21 Nov 2021 567th LHLaurini 🇧🇷 2 849 763 13 Jul 2024 568th shawaa 1 848 508 10 Jun 2020 569th nickdevore 2 845 363 21 Nov 2021 570th Sora1248 🇩🇪 1 843 70 19 Feb 2023 570th 1231234md5 🇨🇳 1 843 70 11 Dec 2023 572nd atenfyr 1 841 88 21 Nov 2021 572nd bbakersmith 1 841 88 21 Nov 2021 572nd elkontexo 1 841 88 21 Nov 2021 572nd jenart 1 841 88 21 Nov 2021 572nd nathannj 1 841 88 21 Nov 2021 572nd pandepic 1 841 88 21 Nov 2021 572nd Cazka 1 841 88 13 Dec 2022 572nd Umbrason 1 841 88 29 Jan 2025 580th adam-chalmers 1 840 513 5 Oct 2024 581st lowlighter 1 839 87 21 Nov 2021 582nd pkim 1 837 98 6 Apr 2023 583rd PatrickKocken 1 836 61 21 Nov 2021 583rd TeDeMos 1 836 61 21 Nov 2021 585th eecb 1 831 89 21 Nov 2021 585th fourtf 1 831 89 21 Nov 2021 585th NamalD 1 831 89 18 Feb 2022 585th ScrepY 1 831 89 19 May 2022 589th apreg 1 830 94 26 Apr 2023 590th mothcolada 🇺🇸 7 830 7,168 21 Nov 2021 590th Waffle3z 7 830 7,168 21 Nov 2021 592nd pwninstein 1 829 520 21 Nov 2021 593rd TheRealOhead 🇺🇸 1 823 62 25 Nov 2022 593rd nyoshe 1 823 62 10 Oct 2023 593rd desecaw13 1 823 62 24 Jan 2025 596th ArmaanAS 1 822 90 21 Nov 2021 596th JudeRV 1 822 90 21 Nov 2021 596th Nate-Roth 1 822 90 21 Nov 2021 596th robgray 1 822 90 21 Nov 2021 596th hasan1239 1 822 90 24 Nov 2021 First Prev 526–600 of 997 Next Last