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?
Fractions 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 10th CaedenHarper 🇨🇦 991 17 39ms 22 Oct 2024 10th error256 991 17 37ms 21 Jan 2025 10th tatzyr 🇯🇵 991 17 35ms 9 Feb 2025 10th fuzzylojik-golf 🇺🇸 991 17 35ms 29 May 2025 10th Matter1024 🇮🇳 991 17 34ms 10 Sep 2025 10th blaztoma 🇱🇹 991 17 37ms 11 Oct 2025 10th snoozingnewt 🇨🇦 991 17 34ms 11 Oct 2025 10th Lv0Sys 🇵🇱 991 17 36ms 5 Dec 2025 10th CornerMercury 🇬🇧 991 17 35ms 7 Dec 2025 10th KasperKivimaeki 🇫🇮 991 17 34ms 8 Dec 2025 10th D-MOVE 🇵🇭 991 17 35ms 15 Dec 2025 10th TheZwierzLF 🇵🇱 991 17 34ms 24 Dec 2025 10th FortuiteMan 🇫🇷 991 17 38ms 24 Dec 2025 10th JOrE20 991 17 35ms 4 Feb 2026 10th denkyuu1 991 17 34ms 5 Feb 2026 96th btnlq 971 73 18ms 8 Oct 2024 96th bizy-coder 971 73 16ms 8 Oct 2024 96th kg583 🇺🇸 971 73 17ms 8 Oct 2024 96th orthoplex 🇨🇽 971 73 17ms 8 Oct 2024 96th zacjl 971 73 17ms 8 Oct 2024 96th sean-niemann 🇺🇸 971 73 17ms 8 Oct 2024 96th AlephSquirrel 971 73 18ms 8 Oct 2024 96th rak1507 🇬🇧 971 73 18ms 8 Oct 2024 96th inventshah 971 73 18ms 8 Oct 2024 96th Bulmenisaurus 971 73 15ms 8 Oct 2024 96th ovs-code 🇩🇪 971 73 17ms 8 Oct 2024 96th JayXon 🇺🇸 971 73 32ms 8 Oct 2024 96th Alex-x90 🇺🇸 971 73 15ms 8 Oct 2024 96th Seek64 🇩🇪 971 73 17ms 8 Oct 2024 96th m-tkach 🇺🇦 971 73 32ms 8 Oct 2024 96th duckyluuk 🇳🇱 971 73 17ms 8 Oct 2024 96th khvdm 971 73 16ms 8 Oct 2024 96th pardouin 🇫🇷 971 73 17ms 8 Oct 2024 96th nwellnhof 🇩🇪 971 73 17ms 8 Oct 2024 96th GolfingSuccess 🇬🇷 971 73 18ms 8 Oct 2024 96th DialFrost 🇸🇬 971 73 16ms 8 Oct 2024 96th xsot 🇸🇬 971 73 33ms 8 Oct 2024 96th b-illy 🇬🇧 971 73 16ms 8 Oct 2024 96th xnor-gate 971 73 30ms 8 Oct 2024 96th CaedenHarper 🇨🇦 971 73 16ms 8 Oct 2024 96th Shanethegamer 🇺🇸 971 73 16ms 8 Oct 2024 96th hallvabo 🇳🇴 971 73 17ms 9 Oct 2024 96th sisyphus-ppcg 🇦🇺 971 73 38ms 9 Oct 2024 96th stefangimmillaro 971 73 16ms 9 Oct 2024 96th alemelis 971 73 18ms 11 Oct 2024 96th emgordon154 971 73 17ms 11 Oct 2024 96th thatbirdguythatuknownot 971 73 17ms 11 Oct 2024 96th bzijlema 🇳🇱 971 73 16ms 15 Oct 2024 96th 5cw 🇺🇸 971 73 16ms 20 Oct 2024 96th lifthrasiir 🇰🇷 971 73 31ms 20 Nov 2024 96th croc54 971 73 16ms 9 Dec 2024 96th ryyyn 🇺🇸 971 73 17ms 5 Jan 2025 96th edsrzf 🇳🇿 971 73 16ms 6 Jan 2025 96th jipsong 🇩🇪 971 73 17ms 20 Jan 2025 96th 4atj 971 73 17ms 8 Apr 2025 96th fuzzylojik-golf 🇺🇸 971 73 16ms 15 May 2025 96th lukegustafson 🇺🇸 971 73 31ms 7 Jul 2025 96th KasperKivimaeki 🇫🇮 971 73 16ms 7 Jul 2025 96th dirckvdende 971 73 17ms 8 Jul 2025 96th Mukundan314 971 73 34ms 9 Jul 2025 96th Babafaba 971 73 17ms 5 Nov 2025 96th Kacarott 🇦🇺 971 73 17ms 10 Nov 2025 96th sunleonid 971 73 19ms 22 Nov 2025 96th HPWiz 🇳🇿 971 73 16ms 26 Nov 2025 96th CornerMercury 🇬🇧 971 73 17ms 24 Dec 2025 96th ndren 971 73 32ms 18 Jan 2026 96th Steffan153 🇫🇮 971 73 17ms 15 Feb 2026 96th netfri25 🇮🇱 971 73 16ms 23 Feb 2026 96th Aquateraneal 🇺🇸 971 73 17ms 19 days ago 96th Flekay 🇩🇪 971 73 17ms 15 days ago 96th dokutan 971 73 17ms 15 days ago 96th snoozingnewt 🇨🇦 971 73 17ms 14 days ago 96th MeWhenI 🇻🇦 971 73 17ms 10 days ago 96th GrayJoKing 🇦🇺 971 73 18ms 10 days ago 155th JayXon 🇺🇸 952 63 12ms 5 Sep 2021 155th nwellnhof 🇩🇪 952 63 13ms 6 Sep 2021 155th nathanadams 🇳🇿 952 63 13ms 19 Sep 2021 155th Lydxn 🇨🇦 952 63 12ms 4 Nov 2021 155th lukegustafson 🇺🇸 952 63 15ms 7 Nov 2023 155th Steffan153 🇫🇮 952 63 13ms 17 Aug 2024 First Prev 81–160 of 2,001 Next Last
