Fibonacci in all languages in chars. 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 Chars Time Submitted 822nd FlyingPenguin223 947 58 424ms 25 Sep 2025 822nd emgordon154 947 58 432ms 25 Sep 2025 822nd duckyluuk 🇳🇱 947 58 406ms 25 Sep 2025 822nd m-tkach 🇺🇦 947 58 387ms 25 Sep 2025 822nd voytxt 🇨🇿 947 58 367ms 25 Sep 2025 822nd Yewzir 🇧🇪 947 58 452ms 2 Oct 2025 822nd Andrey2001 947 58 497ms 17 days ago 833rd I-Love-47 🇺🇦 947 70 46ms 8 Feb 2022 833rd ZakkkkAttackkkk 🇵🇭 947 70 53ms 27 Jul 2022 833rd FlorianCassayre 🇫🇷 947 70 49ms 10 Oct 2022 833rd thatbirdguythatuknownot 947 70 53ms 8 Jan 2023 833rd tailorspy 947 70 53ms 15 Mar 2023 833rd neel11235813 947 70 52ms 16 Dec 2023 833rd wlaud9 947 70 54ms 5 Feb 2024 833rd SadiinsoSnowfall 🇫🇷 947 70 52ms 15 Feb 2024 833rd oceko 947 70 55ms 19 Feb 2024 833rd bac0id 947 70 53ms 23 Feb 2024 833rd IlkkaTakala 947 70 55ms 26 Apr 2024 833rd cefqrn 947 70 56ms 26 May 2024 833rd Kacarott 🇦🇺 947 70 54ms 29 Aug 2024 833rd edsrzf 🇳🇿 947 70 54ms 12 Sep 2024 833rd plcc0 947 70 52ms 27 Mar 2025 833rd emgordon154 947 70 52ms 1 Jun 2025 833rd IntOverflow-maxwell 947 70 54ms 26 Aug 2025 833rd timhaj 🇸🇮 947 70 54ms 12 Sep 2025 833rd LordSir101 947 70 54ms 17 Sep 2025 833rd Zounon 947 70 55ms 18 Sep 2025 833rd qpwoeirut 947 70 54ms 14 Oct 2025 833rd CaedenHarper 🇨🇦 947 70 54ms 30 Oct 2025 855th Kacarott 🇦🇺 946 26 63ms 2 days ago 855th GrayJoKing 🇦🇺 946 26 83ms 2 days ago 855th error256 946 26 61ms 29 hours ago 858th Attero 🇸🇪 946 52 333ms 21 Nov 2021 858th BBoehm 🇩🇪 946 52 326ms 21 Nov 2021 858th eldritchconundrum 946 52 327ms 21 Nov 2021 858th initram 946 52 323ms 21 Nov 2021 858th jakzo 946 52 329ms 21 Nov 2021 858th janbehrens 🇩🇪 946 52 332ms 21 Nov 2021 858th KatieLG 🇬🇧 946 52 340ms 21 Nov 2021 858th markdchurchill 946 52 327ms 21 Nov 2021 858th raphaelimahorn 946 52 334ms 21 Nov 2021 858th m-tkach 🇺🇦 946 52 327ms 2 Dec 2021 858th Irratix 🇳🇱 946 52 350ms 9 Dec 2021 858th SirBogman 🇺🇸 946 52 335ms 14 Dec 2021 858th ovs-code 🇩🇪 946 52 345ms 6 Jul 2022 858th Shanethegamer 🇺🇸 946 52 324ms 11 Jul 2022 858th tkr-sh 🇰🇵 946 52 333ms 14 Jul 2022 858th ZakkkkAttackkkk 🇵🇭 946 52 333ms 26 Jul 2022 858th 5quiwyrm 946 52 325ms 31 Aug 2022 858th Alex-x90 🇺🇸 946 52 330ms 17 Oct 2022 858th trist224 🇫🇷 946 52 329ms 9 Nov 2022 858th oceko 946 52 320ms 26 Nov 2022 858th astdefu 946 52 328ms 10 Dec 2022 858th Betuaredead 946 52 324ms 4 Jan 2023 858th Yewzir 🇧🇪 946 52 331ms 5 Feb 2023 858th adyache 🇺🇸 946 52 334ms 30 Apr 2023 858th speles 🇺🇦 946 52 324ms 12 Nov 2023 858th kkoenig 946 52 334ms 22 Dec 2023 858th voytxt 🇨🇿 946 52 340ms 26 Jan 2024 858th duckyluuk 🇳🇱 946 52 330ms 9 Apr 2024 858th error256 946 52 318ms 10 May 2024 858th edsrzf 🇳🇿 946 52 317ms 12 Sep 2024 858th CaedenHarper 🇨🇦 946 52 337ms 16 Jan 2025 858th wiz0u 946 52 348ms 18 Jan 2025 858th Natanaelel 🇸🇪 946 52 331ms 24 Jan 2025 858th emgordon154 946 52 340ms 1 Jun 2025 858th Maximizer02 946 52 357ms 17 Sep 2025 858th cmddog 946 52 335ms 17 Sep 2025 858th LordSir101 946 52 330ms 18 Sep 2025 858th albanian-laundromat 946 52 339ms 30 Oct 2025 858th Soyo-Wind 946 52 339ms 3 Nov 2025 858th solisolu 946 52 341ms 20 days ago 858th Andrey2001 946 52 316ms 17 days ago 858th KasperKivimaeki 🇫🇮 946 52 315ms 15 days ago 900th primo-ppcg 🇹🇭 944 65 181ms 14 Jan 2022 First Prev 826–900 of 9,489 Next Last