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?
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 721st Yewzir 🇧🇪 543 420 4ms 19 May 2023 722nd lynn 542 273 37ms 19 Apr 2021 723rd MaxCastella 🇫🇷 540 305 315ms 14 Nov 2022 724th janga1 540 333 14ms 22 Aug 2021 724th abba23 540 333 11ms 26 May 2022 726th jacobly0 🇺🇸 540 660 1,983ms 22 Apr 2024 727th Shanethegamer 🇺🇸 539 393 585ms 14 Mar 2023 728th CaedenHarper 🇨🇦 539 394 811ms 3 Oct 2025 729th lewdev 🇺🇸 538 332 11ms 31 Oct 2024 730th alangodfrey 538 334 10ms 18 Jun 2019 730th haydenridd 538 334 11ms 2 Jul 2020 730th PotatoSaladOverlord 538 334 11ms 21 May 2025 733rd pyrolitic 🇮🇪 537 402 2ms 25 Apr 2022 734th madex 🇩🇪 536 335 12ms 7 Mar 2024 734th jtaxen 536 335 10ms 31 Oct 2024 736th Shanethegamer 🇺🇸 536 348 164ms 24 May 2025 737th stuartcarnie 536 386 111ms 19 Apr 2020 738th vprab 535 336 12ms 10 Dec 2020 738th ridingqwerty 🇺🇸 535 336 13ms 14 Dec 2023 740th dranjohn 533 337 10ms 24 Sep 2023 741st h3ra993huskp 🇯🇵 533 398 753ms 30 Nov 2025 742nd martinnorling 🇸🇪 532 338 15ms 4 Feb 2022 742nd Bonjour27891 🇻🇳 532 338 12ms 13 Mar 2022 744th HallMatthew314 532 414 142ms 10 Feb 2022 745th Pena86 530 339 10ms 28 Feb 2021 745th Player01osu 530 339 11ms 29 Oct 2023 747th AbhayAravinda 530 407 2ms 17 Jul 2020 748th RedzGoose 🇦🇺 528 316 675ms 10 Sep 2024 749th evanrittner 527 341 10ms 18 Nov 2019 749th aazuspan 527 341 11ms 12 Jun 2022 749th KadinSchultz 527 341 10ms 112 mins ago 752nd MeWhenI 🇻🇦 526 279 2ms 14 May 2022 753rd The-Wolfson 526 360 4,109ms 31 Oct 2024 754th Agazoth 524 314 268ms 8 Jun 2020 755th Eolu 522 501 183ms 20 Jan 2022 756th CatsAreFluffy 521 343 13ms 8 Feb 2023 757th robertovers 521 345 10ms 9 Oct 2023 757th firegene 🇮🇪 521 345 11ms 2 days ago 759th TheZwierzLF 🇵🇱 520 280 35ms 25 Dec 2025 760th vonKrafft 516 348 12ms 25 Mar 2020 760th dylanjones92 516 348 10ms 24 Jan 2024 762nd Skepfyr 516 507 281ms 4 Jan 2020 763rd bretthat0 515 349 10ms 5 Mar 2022 763rd wenbang24 515 349 10ms 29 Apr 2024 765th amazingalek 🇳🇴 515 435 553ms 5 Jan 2026 766th tomh1012 515 443 4ms 4 Feb 2026 767th Shanethegamer 🇺🇸 514 477 396ms 14 Mar 2023 768th meenie 513 284 39ms 1 Jan 2021 769th zakariamouhid 513 348 13ms 12 Jan 2023 770th mcculloughjchris 512 349 12ms 16 Dec 2022 771st josh-h-90 512 356 5ms 17 Aug 2022 772nd heypwesto 🇳🇿 511 299 3ms 18 Apr 2021 773rd Mikey-Beep 🇬🇧 511 352 12ms 28 Aug 2023 774th Jandoife 511 422 2ms 19 Jan 2023 775th proctaDocta 511 452 78ms 6 Oct 2022 776th arctouch-cristiannevianna 510 439 544ms 4 Mar 2024 777th adamnielson42 🇺🇸 509 265 2ms 1 Dec 2023 778th dal548 508 354 10ms 12 Jun 2024 779th stefangimmillaro 506 290 2ms 17 Jul 2025 780th Jacob-Gendelman 506 355 13ms 27 Jul 2023 781st Designer023 505 354 11ms 13 Feb 2020 781st BrettMerri 505 354 13ms 2 Dec 2021 783rd oriphi 505 356 11ms 17 Jun 2019 783rd eiburns 505 356 11ms 4 Jan 2022 783rd Vaekor 505 356 11ms 3 Aug 2023 786th jaredcrystal 🇺🇸 504 289 39ms 14 Dec 2020 787th dotcomstar 503 357 18ms 17 Nov 2021 788th jerrandolph 503 488 355ms 21 Oct 2023 789th E2dgar 502 356 11ms 31 Jan 2022 790th dokutan 502 454 4ms 30 May 2023 791st n1LS 501 359 14ms 25 Sep 2019 791st berdzi 501 359 11ms 20 Apr 2022 791st yokasuretsu 501 359 10ms 11 Jul 2025 794th owen-c-parker 🇺🇸 500 357 12ms 18 Nov 2023 795th MeWhenI 🇻🇦 500 412 7ms 13 Dec 2023 796th goombado 499 360 10ms 23 Oct 2020 797th MeWhenI 🇻🇦 498 366 5ms 28 May 2023 798th MeWhenI 🇻🇦 497 345 2ms 12 Nov 2022 799th alemelis 496 330 756ms 19 Sep 2024 800th zt14427 496 362 10ms 28 Feb 2023 First Prev 721–800 of 1,137 Next Last
