The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 5 days. Why not try and solve them ahead of time?
Fibonacci in all languages 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 542nd BBoehm 🇩🇪 961 43 1ms 4 Jan 2021 542nd GrayJoKing 🇦🇺 961 43 1ms 12 Jan 2021 542nd Lydxn 🇨🇦 961 43 1ms 13 Jan 2021 542nd Irratix 🇳🇱 961 43 1ms 14 Jan 2021 542nd sisyphus-ppcg 🇦🇺 961 43 1ms 20 Jan 2021 542nd JayXon 🇺🇸 961 43 1ms 19 Feb 2021 542nd oljoi 961 43 1ms 2 Apr 2021 542nd s-g-stavely 961 43 1ms 3 May 2021 542nd MatheusAvellar 🇧🇷 961 43 1ms 6 May 2021 542nd Natanaelel 🇸🇪 961 43 1ms 18 May 2021 542nd call23re 961 43 1ms 4 Sep 2021 542nd StarmaQ 961 43 1ms 10 Sep 2021 542nd btnlq 961 43 1ms 27 Sep 2021 542nd MeWhenI 🇻🇦 961 43 1ms 11 Oct 2021 542nd RockOfStone 961 43 1ms 8 Nov 2021 542nd funkkiy 🇧🇷 961 43 1ms 20 Nov 2021 542nd TetraPengwin 961 43 1ms 14 Dec 2021 542nd Anonymousellama21 961 43 1ms 23 Dec 2021 542nd CedricGebistorf 961 43 1ms 2 Feb 2022 542nd jared-hughes 961 43 1ms 15 Feb 2022 542nd 060664-swcsd 961 43 1ms 9 Mar 2022 542nd vincens2005 🇺🇸 961 43 1ms 29 Mar 2022 542nd Mortis66666 961 43 1ms 27 May 2022 542nd MichalMarsalek 🇨🇿 961 43 1ms 18 Aug 2022 542nd 5quiwyrm 961 43 1ms 30 Aug 2022 542nd Steffan153 🇫🇮 961 43 1ms 1 Oct 2022 542nd clockworknazo 961 43 1ms 16 Oct 2022 542nd qwertyuiop3 🇷🇺 961 43 1ms 20 Oct 2022 542nd aDwarfNamedUrist 961 43 1ms 10 Nov 2022 542nd DialFrost 🇸🇬 961 43 1ms 1 Dec 2022 542nd thatbirdguythatuknownot 961 43 1ms 20 Dec 2022 542nd b10011 🇫🇮 961 43 1ms 28 Dec 2022 542nd cefqrn 961 43 1ms 31 Dec 2022 542nd MCausc78 🇺🇦 961 43 1ms 5 Jan 2023 542nd sean-niemann 🇺🇸 961 43 2ms 6 Jan 2023 542nd CheeseCake628 🇳🇴 961 43 1ms 14 Feb 2023 542nd scpchicken 🇵🇼 961 43 1ms 6 Mar 2023 542nd KingSkyrock 🇺🇸 961 43 2ms 22 Mar 2023 542nd mtirado1 961 43 1ms 17 Apr 2023 542nd Sciman101 961 43 1ms 16 May 2023 542nd Yewzir 🇧🇪 961 43 1ms 29 May 2023 542nd ToE42 961 43 2ms 14 Jul 2023 542nd adriweb 🇫🇷 961 43 1ms 8 Aug 2023 542nd ovs-code 🇩🇪 961 43 1ms 16 Aug 2023 542nd jipsong 🇩🇪 961 43 1ms 25 Aug 2023 542nd jacobly0 🇺🇸 961 43 1ms 4 Sep 2023 542nd snoozingnewt 🇨🇦 961 43 1ms 10 Sep 2023 542nd m-tkach 🇺🇦 961 43 1ms 10 Sep 2023 542nd msbranicky 961 43 2ms 10 Sep 2023 542nd FlyingPenguin223 961 43 1ms 2 Oct 2023 542nd charliegaming 961 43 1ms 3 Oct 2023 542nd xsot 🇸🇬 961 43 1ms 9 Oct 2023 542nd SirBogman 🇺🇸 961 43 1ms 20 Oct 2023 542nd m42km 961 43 1ms 25 Nov 2023 542nd epic-programmer-guy 961 43 1ms 17 Dec 2023 542nd stellartux 961 43 1ms 24 Dec 2023 542nd duckyluuk 🇳🇱 961 43 1ms 22 Feb 2024 542nd BREMAUCY 🇫🇷 961 43 1ms 7 Mar 2024 542nd HumanoidCPU 961 43 1ms 14 Mar 2024 542nd NickTheEASDude 🇺🇸 961 43 1ms 21 Mar 2024 542nd neel11235813 961 43 1ms 26 Mar 2024 542nd Herbert00709 🇵🇱 961 43 1ms 11 Apr 2024 542nd error256 961 43 1ms 9 May 2024 542nd jtaxen 961 43 1ms 4 Jun 2024 542nd lynn 961 43 1ms 23 Jun 2024 542nd dokutan 961 43 1ms 26 Jun 2024 542nd fgrosshans 🇫🇷 961 43 1ms 27 Aug 2024 542nd pardouin 🇫🇷 961 43 1ms 4 Sep 2024 542nd edsrzf 🇳🇿 961 43 1ms 12 Sep 2024 542nd Vexxter9 🇳🇱 961 43 1ms 20 Sep 2024 542nd alemelis 961 43 1ms 26 Sep 2024 542nd CaedenHarper 🇨🇦 961 43 1ms 22 Oct 2024 542nd akritid 961 43 1ms 23 Oct 2024 542nd koipondx86 961 43 1ms 31 Oct 2024 542nd snyderek 🇺🇸 961 43 1ms 20 Jan 2025 542nd desecaw13 961 43 1ms 24 Jan 2025 542nd mishak-sys 961 43 1ms 25 Feb 2025 542nd not-a-pokemon 961 43 2ms 25 Feb 2025 542nd frosster 🇨🇦 961 43 1ms 11 Mar 2025 542nd Blendi-Goose 961 43 1ms 15 Mar 2025 First Prev 561–640 of 9,887 Next Last