Fibonacci in C# 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 151st Bobini1 🇵🇱 850 60 313ms 21 Nov 2021 151st JDiLenarda 🇫🇷 850 60 339ms 21 Nov 2021 151st najs91 850 60 373ms 21 Nov 2021 151st yzhs 🇩🇪 850 60 398ms 21 Nov 2021 151st joharasmus 🇸🇪 850 60 326ms 19 Jul 2022 151st JaroPolhosDev 850 60 299ms 13 Sep 2023 151st GarethSpring 850 60 315ms 19 Sep 2023 151st mqtze 850 60 347ms 21 Sep 2023 151st puddnova 850 60 314ms 22 Oct 2024 151st michelebastione 🇮🇹 850 60 318ms 13 Aug 2025 161st PatrickKocken 836 61 334ms 21 Nov 2021 161st TeDeMos 836 61 336ms 21 Nov 2021 161st castur1 836 61 319ms 27 Jan 2022 161st centrolutions 836 61 312ms 24 Nov 2022 161st dorschmeister 836 61 19 May 2023 161st fkantelberg 836 61 350ms 15 Jul 2023 161st josephdwalker 836 61 276ms 14 Nov 2023 161st epic-programmer-guy 836 61 362ms 25 Dec 2023 161st codewrite 🇬🇧 836 61 358ms 19 Apr 2025 161st Alex-Huggett 🇬🇧 836 61 13 Sep 2025 171st jahakari 823 62 350ms 21 Nov 2021 171st MichalMarsalek 🇨🇿 823 62 379ms 29 Nov 2021 171st TheRealOhead 🇺🇸 823 62 336ms 25 Nov 2022 171st Mezzofloat 823 62 292ms 24 Aug 2023 171st nyoshe 823 62 331ms 10 Oct 2023 171st hippopotam00sehead 🇨🇦 823 62 341ms 11 Sep 2024 171st Stockoh 🇫🇷 823 62 317ms 4 Nov 2024 171st desecaw13 823 62 391ms 24 Jan 2025 179th ILMTitan 810 63 312ms 21 Nov 2021 179th Domicnt 810 63 344ms 1 Jan 2022 179th CedricGebistorf 810 63 338ms 3 Feb 2022 179th ChrisTheisen 810 63 314ms 13 Dec 2022 179th TimJackMaster 810 63 341ms 25 Jan 2023 179th gazle 810 63 304ms 25 Apr 2024 179th tomh1012 810 63 5 Sep 2025 186th muztanger 797 64 309ms 21 Nov 2021 186th Xwilarg 🇫🇷 797 64 345ms 21 Nov 2021 186th Ripick 797 64 361ms 30 Apr 2023 186th usernamethatisnttaken 797 64 348ms 6 Sep 2023 186th Mikey-Beep 🇬🇧 797 64 330ms 24 Jul 2025 191st Andre3582 785 65 341ms 21 Nov 2021 191st enbyte 785 65 329ms 21 Nov 2021 191st MLPdiscord 785 65 373ms 6 Jan 2022 191st Nickmiste 785 65 347ms 13 Nov 2022 191st mqyhlkahu 785 65 354ms 10 Sep 2023 191st trinityy-7 785 65 363ms 6 Mar 2024 191st msbranicky 785 65 335ms 3 Jul 2024 198th aaronze 🇦🇺 773 66 327ms 21 Nov 2021 198th elephantpanda 773 66 333ms 26 Aug 2022 198th eshilo-draper 773 66 333ms 5 Oct 2022 198th heanyang1 773 66 335ms 22 Apr 2025 198th jacekwladzinski 773 66 336ms 19 days ago 203rd mickeyMouse1108 761 67 21 Nov 2021 203rd aDwarfNamedUrist 761 67 336ms 21 Nov 2022 203rd glatzert 761 67 354ms 12 May 2023 203rd Sciman101 761 67 337ms 15 May 2023 203rd eiburns 761 67 7 Sep 2023 203rd rollershutter 761 67 310ms 29 Jan 2025 203rd kevinnaviapaiva 761 67 323ms 19 Feb 2025 210th jcheritat 750 68 293ms 21 Nov 2021 210th PhonicCanine 750 68 307ms 21 Nov 2021 210th Gpopcorn 750 68 306ms 31 Mar 2022 210th Mortis66666 750 68 331ms 27 May 2022 210th 104210 750 68 339ms 12 Sep 2022 210th Pyro569 750 68 327ms 31 Jul 2023 216th martinnorling 🇸🇪 739 69 379ms 15 Feb 2022 216th dpethes 739 69 365ms 9 Jan 2024 216th PyryL 🇫🇮 739 69 332ms 23 Aug 2024 216th Flix7dev 🇧🇪 739 69 14 hours ago 220th Cbrt74088 718 71 324ms 21 Nov 2021 220th MrGraduate 718 71 302ms 21 Nov 2021 220th ccolella-mdc 718 71 316ms 12 Oct 2023 223rd charliegaming 708 72 320ms 3 Oct 2023 223rd jtaxen 708 72 340ms 30 Mar 2024 223rd JarrodCope 708 72 329ms 19 Apr 2024 First Prev 151–225 of 313 Next Last