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 321st edsrzf 🇳🇿 783 263 7ms 22 Feb 2025 322nd SkimnerPhi 780 229 13ms 4 Dec 2020 322nd c0d3-4-F00d 🇩🇪 780 229 12ms 19 Jun 2021 324th TobyBoyne 🇬🇧 778 231 10ms 30 Jun 2019 324th NerdyMcNerd42 778 231 11ms 27 Oct 2022 326th Alex-x90 🇺🇸 776 278 2ms 27 Jan 2023 327th strout 776 284 142ms 14 Dec 2023 328th dymowski 775 232 11ms 12 Jul 2019 328th PiterAnnema 775 232 10ms 27 Aug 2021 328th JuhoHeiskanen 775 232 22ms 15 Oct 2022 331st helbling 🇨🇭 773 231 12ms 27 Apr 2024 332nd daedals 771 233 10ms 13 Feb 2020 332nd knutae 🇳🇴 771 233 12ms 30 Nov 2021 332nd RYNO8 771 233 11ms 3 Dec 2021 332nd plcc0 771 233 35ms 21 Mar 2025 332nd ndren 771 233 14ms 26 Nov 2025 337th hacker112 🇸🇪 770 232 11ms 23 Jun 2024 338th GolfingSuccess 🇬🇷 769 217 581ms 20 Jan 2024 339th MeWhenI 🇻🇦 768 184 42ms 24 Aug 2022 340th abailey2020 🇺🇸 768 234 10ms 12 Dec 2020 340th AGoyet 768 234 17ms 12 Aug 2022 340th davecame 768 234 21ms 18 Jul 2023 340th adamnielson42 🇺🇸 768 234 10ms 1 Dec 2023 340th StefanHabel 🇨🇦 768 234 21ms 9 days ago 345th Alex-x90 🇺🇸 768 301 64ms 29 Jan 2023 346th SirBogman 🇺🇸 765 215 266ms 22 Jan 2024 347th ydevor 🇮🇱 765 235 10ms 15 Mar 2021 347th shraiwi 765 235 11ms 25 Nov 2021 347th GulgDev 765 235 20ms 21 Mar 2023 350th typeswitch-dev 🇵🇹 765 312 5ms 27 Jul 2023 351st SirBogman 🇺🇸 762 219 548ms 16 Jan 2024 351st kg583 🇺🇸 762 219 565ms 19 Jan 2024 353rd prestosilver 🇺🇸 762 278 416ms 22 days ago 354th jared-hughes 762 283 2ms 20 Mar 2022 355th TheAristos 761 236 11ms 8 Nov 2019 355th HETHAT 🇩🇿 761 236 10ms 20 Mar 2021 355th rsgray 761 236 20ms 12 Jan 2024 358th primo-ppcg 🇹🇭 761 279 689ms 28 Sep 2021 359th Shanethegamer 🇺🇸 761 280 5ms 14 Mar 2023 360th duckyluuk 🇳🇱 758 220 623ms 27 Mar 2024 361st MeWhenI 🇻🇦 757 242 174ms 3 Aug 2024 362nd michelebastione 🇮🇹 755 238 21ms 17 Jan 2022 362nd Haksell 🇦🇶 755 238 11ms 21 Jan 2024 362nd fourth-bit 755 238 17ms 6 Jul 2024 362nd jatloe 755 238 19ms 23 Oct 2024 366th stefangimmillaro 755 251 4,184ms 14 Nov 2024 367th KatieLG 🇬🇧 755 297 435ms 29 Jul 2024 368th LordSir101 754 237 12ms 29 Jul 2025 369th annaproxy 754 272 14ms 13 Jan 2023 370th stefangimmillaro 753 326 328ms 13 Dec 2024 371st neel11235813 752 239 12ms 3 Feb 2023 372nd alexsave 751 238 11ms 10 Sep 2024 373rd annaproxy 750 294 164ms 29 Jul 2022 374th SirBogman 🇺🇸 749 179 4ms 23 Oct 2022 375th petar-donchev 749 240 18ms 3 Sep 2019 375th quimey 749 240 10ms 20 Jul 2023 377th LukeBridges 🇬🇧 748 239 11ms 13 Sep 2024 377th xyangst 748 239 11ms 15 Oct 2024 379th denkyuu1 747 195 34ms 12 days ago 380th Gaddy 🇫🇷 747 300 482ms 18 May 2022 381st okkun-oreo 746 241 10ms 29 Oct 2020 382nd tnecio 743 242 20ms 30 Aug 2020 382nd CedricGebistorf 743 242 10ms 16 Mar 2022 382nd andrewjc2000 743 242 11ms 3 Mar 2025 385th MeWhenI 🇻🇦 743 330 46ms 4 Sep 2024 386th sean-niemann 🇺🇸 742 405 44ms 6 May 2023 387th SirBogman 🇺🇸 742 539 78ms 23 Nov 2022 388th elgan65536 🇺🇸 741 353 294ms 14 Oct 2023 389th dokutan 740 243 10ms 11 Feb 2025 390th CallanMcNulty 738 242 13ms 30 Sep 2022 391st doberan 737 244 10ms 31 Oct 2020 391st nemoyatpeace 737 244 10ms 29 Jan 2026 393rd Shanethegamer 🇺🇸 737 299 130ms 14 Mar 2023 393rd Natanaelel 🇸🇪 737 299 128ms 19 Jun 2025 395th MeWhenI 🇻🇦 737 387 2ms 12 Oct 2023 396th evanbattaglia 736 198 36ms 23 Apr 2021 396th jstanley0 736 198 35ms 24 Apr 2021 398th edsrzf 🇳🇿 736 295 3ms 13 Nov 2025 399th TaserTheFox 🇺🇸 734 245 11ms 2 May 2023 400th CatsAreFluffy 734 262 56ms 30 Jan 2023 First Prev 321–400 of 1,137 Next Last