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?
Cubes 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 geofft 530 260 10ms 10 Dec 2020 721st LeeCamp 530 260 11ms 18 Dec 2021 721st Bonjour27891 🇻🇳 530 260 10ms 13 Mar 2022 721st Mikey-Beep 🇬🇧 530 260 10ms 3 Oct 2022 721st ffelixm 530 260 10ms 21 May 2025 721st robin-scragg 530 260 11ms 3 Oct 2025 727th MadonnaMat 529 233 34ms 21 Jan 2022 728th badboj40 528 261 10ms 18 Jan 2023 729th vezzick 526 262 10ms 6 Mar 2021 729th VictorStenvers 🇳🇱 526 262 10ms 26 Mar 2025 731st shen-hong-xin 525 235 34ms 7 Jul 2021 732nd detrumi 🇳🇱 525 388 178ms 21 Oct 2020 733rd ridingqwerty 🇺🇸 524 263 10ms 1 Dec 2023 733rd UriyaBA 524 263 10ms 21 Dec 2023 735th Kloppermand 🇩🇰 524 347 413ms 7 Oct 2022 736th Irratix 🇳🇱 524 353 3ms 25 Dec 2021 736th madex 🇩🇪 524 353 3ms 29 Jun 2025 738th ravnskjaer 🇩🇰 524 397 494ms 15 Dec 2025 739th JRaspass 🇬🇧 523 257 5ms 29 Dec 2022 740th veiko 523 303 10ms 24 Jun 2022 741st madex 🇩🇪 523 390 180ms 29 Jun 2025 742nd yoshykai 523 398 449ms 27 Mar 2025 743rd Secozzi 522 264 11ms 21 Mar 2021 743rd myleopard 522 264 10ms 13 Oct 2021 743rd tobyLovick 522 264 11ms 5 Nov 2023 743rd WillConker 522 264 10ms 25 Oct 2024 743rd madex 🇩🇪 522 264 10ms 28 Jun 2025 748th CatsAreFluffy 521 210 56ms 31 Oct 2025 749th marcin7Cd 521 357 7ms 19 Apr 2021 750th snltd 520 237 34ms 16 Oct 2019 751st brimstonetrader 520 265 10ms 28 Feb 2024 752nd TRexOnGit 519 350 408ms 29 Nov 2024 753rd jared-hughes 519 387 1,444ms 30 Oct 2023 754th Natanaelel 🇸🇪 518 198 3ms 20 May 2022 755th ndren 517 251 489ms 16 Feb 2024 756th shaunjc 515 308 10ms 9 Jun 2021 757th ILMTitan 515 353 390ms 21 Nov 2021 758th SniperSmiley 🇺🇸 514 268 10ms 30 May 2021 759th mintypython 513 309 10ms 19 Aug 2019 760th prplz 🇦🇺 513 361 3ms 11 Oct 2019 761st fynnkroeger 512 269 9ms 4 Mar 2021 761st cros107 🇦🇺 512 269 10ms 26 Jun 2023 761st davidtiemstra 512 269 10ms 12 Jul 2023 764th Jacob385 509 255 581ms 12 Apr 2024 765th ericlangedijk 🇸🇮 509 357 396ms 14 Mar 2022 766th StardustGogeta 508 271 10ms 17 Nov 2019 766th ValdeQwerty 508 271 12ms 10 Sep 2020 766th jacklynnepenick 508 271 11ms 21 Aug 2021 769th samthidny 508 312 10ms 5 Apr 2022 770th derekthatcher 505 314 10ms 3 Nov 2023 771st twocatsinatrenchcoat 503 274 10ms 24 Nov 2022 771st l-donovan 503 274 10ms 2 Feb 2024 771st qwjhvbxi 503 274 10ms 8 Feb 2024 771st dirckvdende 503 274 10ms 6 Jul 2025 775th msbranicky 503 283 406ms 15 Jan 2024 776th Awsute 503 325 122ms 12 Apr 2022 777th mrmena 🇦🇺 501 275 10ms 22 Jun 2021 777th sleepyStick 501 275 10ms 11 Mar 2022 779th error256 501 470 3ms 16 Jun 2024 780th Laksen 🇩🇰 500 526 27ms 9 Jul 2021 781st Dazza314 🇬🇧 499 276 11ms 27 Oct 2020 782nd Irratix 🇳🇱 498 404 82ms 3 Aug 2023 783rd hoodadam 497 277 11ms 16 Jul 2019 783rd n0es 497 277 10ms 7 Oct 2022 785th jacobly0 🇺🇸 496 652 1,753ms 22 Apr 2024 786th janbehrens 🇩🇪 495 259 264ms 4 Oct 2021 787th zuparnowa 495 278 11ms 11 Feb 2019 787th henrytranter 495 278 10ms 20 Sep 2019 787th UniBlueFerox 495 278 9ms 21 Oct 2020 787th robertovers 495 278 12ms 1 Oct 2023 791st Yewzir 🇧🇪 494 407 72ms 9 Feb 2024 792nd retrohun 493 405 2ms 7 Mar 2021 793rd Yewzir 🇧🇪 493 422 387ms 2 Oct 2025 794th dillon-duncando 492 280 9ms 4 Oct 2022 794th DrPrettyman 492 280 9ms 25 Jul 2023 794th strogor 492 280 11ms 9 Jun 2025 797th MeWhenI 🇻🇦 492 376 3ms 7 May 2023 798th AbhayAravinda 491 377 3ms 28 Jul 2020 799th hjo33 490 433 306ms 24 Aug 2022 800th MeWhenI 🇻🇦 488 412 88ms 8 May 2022 First Prev 721–800 of 1,711 Next Last
