The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Rock-paper-scissors-Spock-lizard 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 561st targrik 633 288 5ms 29 Jan 2025 562nd NewDefectus 🇮🇱 633 341 2ms 26 Sep 2020 563rd Pie42 631 234 186ms 18 Apr 2021 564th alex-oser 🇲🇰 631 283 11ms 18 Aug 2021 565th guliyevemil1 🇦🇿 631 285 11ms 16 Apr 2020 565th j21marshall 631 285 14ms 7 Aug 2020 567th tapio-salonen 629 284 11ms 26 Jun 2022 568th 40fied4t 628 286 11ms 6 May 2025 569th SirBogman 🇺🇸 627 344 2ms 28 Nov 2021 570th richard-oelze 🇩🇪 626 287 11ms 7 Feb 2021 571st Indivicivet 624 288 10ms 19 Oct 2021 571st hellwue 624 288 12ms 14 Feb 2023 573rd Shanethegamer 🇺🇸 622 236 1,706ms 4 Feb 2025 574th msbranicky 622 268 562ms 16 Jan 2024 575th bbakersmith 622 289 10ms 28 Jun 2022 575th albanian-laundromat 622 289 11ms 12 Sep 2025 575th OSYCh314 🇦🇺 622 289 11ms 16 Feb 2026 578th MeWhenI 🇻🇦 622 384 3ms 24 Jul 2023 579th IISResetMe 621 265 291ms 6 Jun 2020 580th Yewzir 🇧🇪 621 344 2ms 6 Jul 2023 581st MeepMoop 621 354 2ms 9 Apr 2025 582nd tadd 620 235 37ms 16 Apr 2020 583rd frankgraziano 620 265 2ms 10 Mar 2025 584th KatieLG 🇬🇧 620 269 613ms 27 Oct 2024 585th daisy-lau 620 288 12ms 29 May 2020 586th Florian-Mt 620 290 10ms 20 Nov 2023 586th luuumine 🇫🇷 620 290 11ms 6 Oct 2025 588th CaedenHarper 🇨🇦 620 396 343ms 4 Dec 2025 589th DarkTemplar5 618 291 17ms 22 Feb 2020 589th Trusly 618 291 10ms 27 Feb 2024 591st scpchicken 🇵🇼 616 248 3ms 26 Feb 2023 592nd JRaspass 🇬🇧 615 240 168ms 8 Jul 2019 593rd lmolteno 615 292 11ms 9 Mar 2021 593rd P-Quentin 🇫🇷 615 292 11ms 5 Aug 2022 593rd Starwort 🇬🇧 615 292 11ms 11 Nov 2022 593rd staufga0 615 292 11ms 30 Jan 2024 597th MeWhenI 🇻🇦 615 395 8ms 16 Dec 2024 598th skps2010 613 293 17ms 19 Jun 2019 598th NicoAdams 613 293 11ms 22 Nov 2021 598th Vilzku 613 293 15ms 14 Oct 2022 601st Yewzir 🇧🇪 613 400 348ms 5 Jan 2024 602nd jakobwitte 612 292 15ms 5 Mar 2020 603rd Trunksistor 🇫🇷 611 294 11ms 9 May 2022 604th KatieLG 🇬🇧 609 239 37ms 3 May 2021 605th albanian-laundromat 608 351 2ms 29 Jun 2025 606th Andriamanitra 🇫🇮 608 375 4ms 15 May 2023 606th MeWhenI 🇻🇦 608 375 5ms 23 May 2023 608th eikhr 🇳🇴 606 295 11ms 14 Jun 2021 609th bbakersmith 606 314 17ms 6 Jul 2022 610th tomh1012 606 370 449ms 8 Sep 2025 611th QuincyNash 🇺🇸 605 297 11ms 25 Jan 2022 611th kenny14231 605 297 12ms 5 Aug 2022 611th cros107 🇦🇺 605 297 10ms 26 Sep 2024 614th chunky 605 420 3ms 30 Sep 2020 615th marcin7Cd 604 353 5ms 5 Feb 2021 616th 4ndyJ 🇬🇧 603 298 13ms 31 Jan 2024 617th BloodStormKnight 602 297 11ms 15 Oct 2022 618th mbittner20 601 299 13ms 27 May 2023 618th wh3n3v3r 🇨🇿 601 299 11ms 8 Nov 2024 618th RaBa21 🇭🇺 601 299 11ms 17 Jul 2025 621st thisishowmymindworks 🇳🇴 600 298 11ms 5 Oct 2020 622nd SirBogman 🇺🇸 600 385 3,132ms 7 Dec 2022 623rd hymanimy 599 300 10ms 20 Aug 2021 623rd RedzGoose 🇦🇺 599 300 11ms 23 Oct 2024 623rd kayaulai 599 300 17ms 23 Nov 2025 626th jjatria 598 247 149ms 7 Jul 2020 627th mukulkesh 598 299 11ms 24 May 2021 627th dbkirk4211 598 299 13ms 4 May 2024 627th acollett89 598 299 10ms 4 Aug 2025 630th Aurel300 🇨🇭 597 438 225ms 30 Jun 2024 631st edsrzf 🇳🇿 596 356 731ms 24 Sep 2025 632nd staehlii 595 302 11ms 16 Jun 2022 632nd joonaspu 595 302 13ms 4 Jun 2023 632nd chartung17 595 302 11ms 20 Dec 2023 635th cafehaine 🇫🇷 595 369 2ms 24 Jun 2019 636th albanian-laundromat 593 281 650ms 12 Sep 2025 637th eddvrs 593 303 31ms 22 Dec 2023 638th MeWhenI 🇻🇦 593 360 3ms 26 Aug 2023 639th jgbaldwinbrown 593 414 352ms 13 Apr 2022 640th Ralac07 🇦🇺 592 302 11ms 18 Apr 2025 First Prev 561–640 of 1,137 Next Last
