The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Ordinal Numbers in JavaScript 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 160th Y0UR-U5ERNAME 695 95 13ms 5 Sep 2021 160th jorbDehmel 🇺🇸 695 95 13ms 15 Apr 2023 160th Florian-Mt 695 95 11ms 5 Oct 2023 160th Langley1996 695 95 14ms 17 Oct 2023 160th mckymsh 695 95 15ms 9 Feb 2024 160th Ultra814 695 95 12ms 17 Aug 2025 167th KatieLG 🇬🇧 688 96 13ms 14 Apr 2021 167th Inbarw100 688 96 14ms 10 Jun 2023 167th LesBoys43 688 96 11ms 7 hours ago 170th ibanezplayer 680 97 12ms 22 Jul 2019 170th Nico-Kasz 680 97 14ms 19 Apr 2022 170th gigaprofisi 🇺🇸 680 97 10ms 4 Sep 2025 173rd vroup 🇩🇰 673 98 12ms 2 Oct 2022 174th kbakba 667 99 12ms 10 May 2020 174th FrederikHutfless 🇩🇪 667 99 11ms 22 Dec 2022 176th Kibble 660 100 12ms 11 Jul 2020 177th florton 653 101 12ms 14 Jan 2022 177th BloodStormKnight 653 101 19ms 15 Oct 2022 177th TotoAJ 653 101 12ms 12 Dec 2023 180th squadb3 647 102 12ms 10 Oct 2019 180th shreyasminocha 647 102 14ms 1 Aug 2020 180th zakariamouhid 647 102 11ms 27 May 2023 183rd handisb 635 104 12ms 11 Feb 2020 184th pandapawskat 623 106 12ms 3 Dec 2020 185th adoxography 611 108 11ms 16 Sep 2019 186th 7JoeEdwards 606 109 11ms 5 Aug 2019 187th boxjelly 600 110 13ms 10 Feb 2021 187th amazingalek 🇳🇴 600 110 13ms 21 Dec 2025 189th daniel-cardone 595 111 10ms 20 Dec 2025 190th owen-c-parker 🇺🇸 569 116 13ms 14 Mar 2022 191st SpareManiKatti 564 117 11ms 10 Sep 2021 192nd TaserTheFox 🇺🇸 555 119 14ms 18 Jan 2023 193rd richard-oelze 🇩🇪 550 120 14ms 3 Jun 2020 193rd AnnoyedArt1256 550 120 12ms 28 Dec 2021 195th con-cs 541 122 12ms 16 Oct 2021 196th dplars 520 127 11ms 20 May 2020 196th Bishwajit2u 520 127 13ms 17 Sep 2021 198th StefanTifrea 496 133 13ms 15 Jul 2020 199th Pablo-No 493 134 10ms 22 Jul 2020 200th mrmena 🇦🇺 485 136 12ms 12 Jun 2021 201st blackmjck 482 137 13ms 9 Oct 2019 201st lewdev 🇺🇸 482 137 12ms 26 Jul 2021 203rd willpiam 465 142 15ms 26 Oct 2023 203rd NoneTheFewer 465 142 12ms 27 Dec 2025 205th eiburns 407 162 11ms 17 Dec 2021 205th Vaekor 407 162 12ms 9 Jul 2023 207th aaronze 🇦🇺 388 170 12ms 17 Sep 2023 208th SOONwasTaken 379 174 11ms 1 Oct 2025 209th Captschi 328 201 11ms 17 Feb 2021 210th seanleken 168 393 17ms 9 Oct 2019 211th jayanwar 92 715 13ms 6 Nov 2019 212th KatieLG-Transpiler 🇬🇧 4 15,914 19ms 23 Jun 2022 First Prev 161–212 of 212
