Tutorial in C# in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st sean-niemann 🇺🇸 0 73 395ms 26 Nov 2024 1st stefangimmillaro 0 73 432ms 26 Nov 2024 1st namelessiw 0 73 447ms 27 Nov 2024 1st btnlq 0 73 476ms 21 Dec 2024 1st prplz 🇦🇺 0 73 465ms 23 Jan 2025 1st b-illy 🇬🇧 0 73 452ms 24 Jan 2025 1st MeWhenI 🇻🇦 0 73 455ms 29 Jan 2025 1st Yax42 🇫🇷 0 73 420ms 30 Jan 2025 1st AdrienHache 🇫🇷 0 73 467ms 30 Jan 2025 1st GolfingSuccess 🇬🇷 0 73 505ms 14 Mar 2025 1st DialFrost 🇸🇬 0 73 421ms 17 Apr 2025 1st Shanethegamer 🇺🇸 0 73 430ms 17 Apr 2025 1st edsrzf 🇳🇿 0 73 436ms 17 Apr 2025 1st HumanoidCPU 0 73 431ms 18 Apr 2025 1st CaedenHarper 🇨🇦 0 73 440ms 18 Apr 2025 1st dokutan 0 73 416ms 13 Jul 2025 1st snoozingnewt 🇨🇦 0 73 389ms 15 Sep 2025 1st fuzzylojik-golf 🇺🇸 0 73 411ms 25 Sep 2025 1st SirBogman 🇺🇸 0 73 400ms 5 Oct 2025 1st arcpolaris 0 73 372ms 19 days ago 21st emgordon154 0 76 421ms 27 Nov 2024 21st voytxt 🇨🇿 0 76 428ms 25 Jan 2025 21st CLOStrophobic 🇮🇹 0 76 435ms 27 Jan 2025 21st tomtheisen 🇺🇸 0 76 449ms 1 Jul 2025 25th KasperKivimaeki 🇫🇮 0 77 427ms 23 Jan 2025 26th StandBackBurrito 0 81 433ms 3 Oct 2025 27th nyson 0 83 457ms 16 Jun 2025 28th plcc0 0 86 460ms 24 Feb 2025 28th RoBoardGod 0 86 439ms 15 May 2025 30th Nyfii 0 89 448ms 9 Jan 2025 31st duckyluuk 🇳🇱 0 90 432ms 12 Jan 2025 32nd Adix-null 🇱🇹 0 91 376ms 14 hours ago 33rd Jacob385 0 92 448ms 18 Mar 2025 34th Soyo-Wind 0 102 360ms 7 Nov 2025 35th cryptoriddlerUIO 0 106 487ms 23 Feb 2025 36th postie77 0 107 416ms 28 Oct 2025 37th KiwiGeek 0 110 515ms 15 Mar 2025 38th MattParkerDev 0 111 456ms 27 Jun 2025 39th Skellybob56 0 112 409ms 24 days ago 40th juliansiebert 🇩🇪 0 116 476ms 8 Jun 2025 41st qrakhen 0 117 658ms 8 days ago 42nd Boowie41 0 120 450ms 26 days ago 43rd RYSF13 🇨🇳 0 122 431ms 13 May 2025 44th JunkIce 0 123 421ms 3 Dec 2024 44th DABANANAMAN120 0 123 476ms 26 Jun 2025 46th cmddog 0 124 414ms 17 Sep 2025 47th xyangst 0 127 473ms 14 Feb 2025 47th smclaughlin-cf 0 127 454ms 26 May 2025 49th matejmatik123 🇸🇰 0 128 436ms 15 Aug 2025 50th Pecanolith 0 135 413ms 6 May 2025 51st codewrite 🇬🇧 0 138 425ms 7 May 2025 52nd Naitzirch 🇳🇱 0 141 432ms 4 Jul 2025 53rd Quirkly-Quasar1 🇺🇸 0 372 422ms 3 Dec 2024 53rd targrik 0 372 434ms 14 Feb 2025 53rd gigaprofisi 🇺🇸 0 372 450ms 3 Mar 2025 53rd retrohun 0 372 450ms 1 Apr 2025 53rd pastelglowcloud 0 372 439ms 2 Apr 2025 53rd nilan425 0 372 443ms 1 Jul 2025 53rd Bpc-CPU 0 372 433ms 12 Jul 2025 53rd Vexxter9 🇳🇱 0 372 423ms 21 Aug 2025 53rd Babafaba 0 372 356ms 15 Oct 2025 53rd luuumine 🇫🇷 0 372 387ms 16 Oct 2025 53rd Openstreetmapler 0 372 404ms 30 Oct 2025 1–63 of 63