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 Numbrix 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 Numbrix 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 397ms 26 Nov 2024 1st stefangimmillaro 0 73 406ms 26 Nov 2024 1st namelessiw 0 73 450ms 27 Nov 2024 1st btnlq 0 73 463ms 21 Dec 2024 1st prplz 🇦🇺 0 73 447ms 23 Jan 2025 1st b-illy 🇬🇧 0 73 435ms 24 Jan 2025 1st MeWhenI 🇻🇦 0 73 443ms 29 Jan 2025 1st Yax42 🇫🇷 0 73 411ms 30 Jan 2025 1st AdrienHache 🇫🇷 0 73 436ms 30 Jan 2025 1st GolfingSuccess 🇬🇷 0 73 454ms 14 Mar 2025 1st DialFrost 🇸🇬 0 73 453ms 17 Apr 2025 1st Shanethegamer 🇺🇸 0 73 359ms 17 Apr 2025 1st edsrzf 🇳🇿 0 73 395ms 17 Apr 2025 1st HumanoidCPU 0 73 451ms 18 Apr 2025 1st CaedenHarper 🇨🇦 0 73 408ms 18 Apr 2025 1st dokutan 0 73 421ms 13 Jul 2025 1st snoozingnewt 🇨🇦 0 73 406ms 15 Sep 2025 1st fuzzylojik-golf 🇺🇸 0 73 441ms 25 Sep 2025 1st SirBogman 🇺🇸 0 73 422ms 5 Oct 2025 1st arcpolaris 0 73 438ms 16 Nov 2025 1st amazingalek 0 73 397ms 2 days ago 1st mwarvik 0 73 383ms 11 hours ago 23rd emgordon154 0 76 404ms 27 Nov 2024 23rd voytxt 🇨🇿 0 76 433ms 25 Jan 2025 23rd CLOStrophobic 🇮🇹 0 76 428ms 27 Jan 2025 23rd tomtheisen 🇺🇸 0 76 420ms 1 Jul 2025 27th KasperKivimaeki 🇫🇮 0 77 433ms 23 Jan 2025 28th StandBackBurrito 0 81 422ms 3 Oct 2025 29th nyson 0 83 458ms 16 Jun 2025 30th plcc0 0 86 433ms 24 Feb 2025 30th RoBoardGod 0 86 430ms 15 May 2025 32nd Nyfii 0 89 428ms 9 Jan 2025 33rd duckyluuk 🇳🇱 0 90 402ms 12 Jan 2025 34th Adix-null 🇱🇹 0 91 439ms 11 days ago 35th Jacob385 0 92 447ms 18 Mar 2025 36th Soyo-Wind 0 102 387ms 7 Nov 2025 37th cryptoriddlerUIO 0 106 479ms 23 Feb 2025 38th postie77 0 107 427ms 28 Oct 2025 39th KiwiGeek 0 110 468ms 15 Mar 2025 40th MattParkerDev 0 111 470ms 27 Jun 2025 41st Skellybob56 0 112 386ms 11 Nov 2025 42nd juliansiebert 🇩🇪 0 116 506ms 8 Jun 2025 43rd qrakhen 0 117 447ms 19 days ago 44th Boowie41 0 120 406ms 10 Nov 2025 45th RYSF13 🇨🇳 0 122 431ms 13 May 2025 46th JunkIce 0 123 407ms 3 Dec 2024 46th DABANANAMAN120 0 123 424ms 26 Jun 2025 48th cmddog 0 124 421ms 17 Sep 2025 49th xyangst 0 127 476ms 14 Feb 2025 49th smclaughlin-cf 0 127 439ms 26 May 2025 51st matejmatik123 🇸🇰 0 128 437ms 15 Aug 2025 52nd Pecanolith 0 135 474ms 6 May 2025 53rd codewrite 🇬🇧 0 138 413ms 7 May 2025 54th Naitzirch 🇳🇱 0 141 417ms 4 Jul 2025 55th Quirkly-Quasar1 🇺🇸 0 372 401ms 3 Dec 2024 55th targrik 0 372 452ms 14 Feb 2025 55th gigaprofisi 🇺🇸 0 372 439ms 3 Mar 2025 55th retrohun 0 372 454ms 1 Apr 2025 55th pastelglowcloud 0 372 467ms 2 Apr 2025 55th nilan425 0 372 430ms 1 Jul 2025 55th Bpc-CPU 0 372 425ms 12 Jul 2025 55th Vexxter9 🇳🇱 0 372 439ms 21 Aug 2025 55th Babafaba 0 372 422ms 15 Oct 2025 55th luuumine 🇫🇷 0 372 378ms 16 Oct 2025 55th Openstreetmapler 0 372 398ms 30 Oct 2025 1–65 of 65