The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 8 days. Why not try and solve them ahead of time?
Continued 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 78th Just4FunCoder 924 126 10ms 13 days ago 82nd error256 919 72 39ms 24 days ago 83rd ovs-code 🇩🇪 917 52 45ms 20 Nov 2025 83rd GolfingSuccess 🇬🇷 917 52 41ms 21 Nov 2025 85th Steffan153 🇫🇮 917 105 467ms 21 hours ago 85th JayXon 🇺🇸 917 105 448ms 20 hours ago 87th hiichbindermax 916 127 9ms 24 days ago 87th Matter1024 🇮🇳 916 127 10ms 14 days ago 87th madex 🇩🇪 916 127 10ms 13 days ago 90th Lv0Sys 🇵🇱 915 96 14ms 23 days ago 91st canissimia 🇦🇶 913 77 3ms 7 days ago 92nd rhdqor213 907 112 2ms 19 days ago 92nd KasperKivimaeki 🇫🇮 907 112 2ms 19 days ago 94th LostSyntax21 🇬🇧 906 73 38ms 23 days ago 94th npc1234cyber 906 73 37ms 21 days ago 96th saito-ta 🇯🇵 904 81 3ms 24 days ago 97th 2bular 903 58 2ms 20 Nov 2025 98th ovs-code 🇩🇪 901 79 31ms 20 Nov 2025 99th Steffan153 🇫🇮 900 97 1,290ms 22 days ago 100th MeWhenI 🇻🇦 899 53 46ms 18 days ago 101st saito-ta 🇯🇵 895 78 17ms 22 days ago 102nd FortuiteMan 🇫🇷 894 47 6ms 11 days ago 103rd albanian-laundromat 894 73 4ms 21 days ago 104th lyphyser 894 79 52ms 2 Dec 2025 105th edsrzf 🇳🇿 893 95 788ms 19 days ago 106th antimon2 🇯🇵 892 91 433ms 24 days ago 107th sean-niemann 🇺🇸 890 79 2ms 13 days ago 108th zacjl 888 59 3ms 25 days ago 109th JayXon 🇺🇸 888 96 161ms 20 days ago 110th msbranicky 888 131 10ms 22 days ago 110th Andrey2001 888 131 10ms 10 days ago 112th weliveinhell 🇭🇹 887 99 15ms 22 days ago 113th AdrienHache 🇫🇷 886 134 464ms 24 days ago 114th GolfingSuccess 🇬🇷 884 109 445ms 24 days ago 115th edsrzf 🇳🇿 884 115 11ms 20 days ago 115th Steffan153 🇫🇮 884 115 11ms 20 days ago 117th Steffan153 🇫🇮 882 117 2ms 22 days ago 117th edsrzf 🇳🇿 882 117 2ms 22 days ago 117th GolfingSuccess 🇬🇷 882 117 2ms 2 days ago 120th anter69 🇭🇺 881 99 1,252ms 4 Feb 2026 120th pardouin 🇫🇷 881 99 1,303ms 15 Feb 2026 120th stefangimmillaro 881 99 1,320ms 21 Feb 2026 120th edsrzf 🇳🇿 881 99 1,238ms 23 days ago 120th emgordon154 881 99 1,153ms 22 days ago 125th KasperKivimaeki 🇫🇮 880 139 432ms 19 Nov 2025 126th namelessiw 879 135 489ms 22 days ago 127th albanian-laundromat 878 100 14ms 23 days ago 127th Maznek 878 100 14ms 21 days ago 129th Steffan153 🇫🇮 876 163 409ms 18 days ago 130th ovs-code 🇩🇪 875 110 422ms 21 Nov 2025 130th AlephSquirrel 875 110 433ms 31 Jan 2026 130th fuzzylojik-golf 🇺🇸 875 110 406ms 2 days ago 133rd pardouin 🇫🇷 875 167 283ms 24 days ago 133rd edsrzf 🇳🇿 875 167 287ms 22 days ago 133rd Steffan153 🇫🇮 875 167 289ms 20 days ago 133rd GolfingSuccess 🇬🇷 875 167 286ms 2 days ago 137th targrik 872 106 6ms 3 days ago 138th edsrzf 🇳🇿 872 128 2,783ms 19 days ago 139th sean-niemann 🇺🇸 871 164 378ms 13 days ago 140th Lv0Sys 🇵🇱 870 76 35ms 23 days ago 141st KasperKivimaeki 🇫🇮 870 168 301ms 20 days ago 142nd pardouin 🇫🇷 869 101 12ms 22 days ago 143rd sean-niemann 🇺🇸 868 111 434ms 16 Jan 2026 143rd CaedenHarper 🇨🇦 868 111 400ms 25 days ago 145th rucin93 🇵🇱 867 114 2ms 1 Jan 2026 145th GolfingSuccess 🇬🇷 867 114 2ms 24 days ago 145th edsrzf 🇳🇿 867 114 2ms 22 days ago 148th MeWhenI 🇻🇦 866 165 347ms 18 days ago 149th ovs-code 🇩🇪 865 104 8ms 23 days ago 150th pardouin 🇫🇷 865 129 2,711ms 19 days ago 151st Steffan153 🇫🇮 863 120 120ms 22 days ago 152nd bitsandbeyond 🇳🇱 862 94 394ms 10 Feb 2026 153rd andrewjc2000 862 135 11ms 14 days ago 154th Mukundan314 861 118 2ms 19 Nov 2025 155th albanian-laundromat 860 112 430ms 19 Nov 2025 156th ovs-code 🇩🇪 858 113 90ms 21 Nov 2025 157th Steffan153 🇫🇮 858 128 5ms 22 days ago 157th edsrzf 🇳🇿 858 128 5ms 22 days ago 159th Steffan153 🇫🇮 857 99 773ms 22 days ago 160th error256 857 129 15ms 84 mins ago First Prev 81–160 of 372 Next Last