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 641st inventshah 562 358 89ms 12 Jun 2022 642nd MeWhenI 🇻🇦 561 325 41ms 13 Feb 2025 643rd sapphyrus 560 220 36ms 14 Sep 2019 644th bbakersmith 560 246 11ms 28 Jun 2022 644th Wildst 560 246 11ms 2 Nov 2022 644th mossprescott 560 246 10ms 18 Jan 2023 647th funnsam 🇭🇰 560 364 164ms 23 Oct 2023 648th dokutan 559 580 1,446ms 26 Jan 2026 649th hrrs01 558 221 35ms 22 Sep 2020 650th tomh1012 558 284 10ms 21 Nov 2025 651st roguh 🇬🇹 558 353 2ms 20 Oct 2024 652nd YellowBunnyGit 557 332 3ms 4 Feb 2021 653rd HumanoidCPU 556 285 11ms 5 Mar 2025 654th rory660 555 248 10ms 16 Jan 2019 654th AgathokakologicalBit 555 248 10ms 27 Jul 2019 654th Pena86 555 248 10ms 2 Jan 2022 654th jatloe 555 248 13ms 26 Aug 2024 658th alexkunin 554 286 11ms 2 Jul 2019 658th alexsave 554 286 9ms 13 Nov 2025 660th proton 🇩🇪 553 223 34ms 10 Jun 2020 661st Babafaba 553 235 384ms 15 Oct 2025 662nd jbjd 553 249 10ms 2 Mar 2024 662nd fkantelberg 553 249 10ms 15 Jul 2025 664th SpareManiKatti 552 287 11ms 13 Oct 2021 665th memiamp 🇬🇧 552 329 384ms 17 Oct 2022 666th janbehrens 🇩🇪 552 384 290ms 19 Jun 2021 666th xbxbxb007 552 384 295ms 10 Jan 2024 668th Starwort 🇬🇧 551 250 10ms 30 Mar 2019 669th stefangimmillaro 551 330 412ms 13 Jun 2022 670th jaredcrystal 🇺🇸 550 224 35ms 14 Dec 2020 670th emgordon154 550 224 36ms 19 Aug 2024 670th tatzyr 🇯🇵 550 224 41ms 2 Mar 2025 673rd Florian-Mt 550 288 10ms 12 Jul 2024 674th hotmanga 550 386 294ms 25 Oct 2023 675th mizuzimu 549 251 10ms 12 Apr 2020 675th mdnestor 549 251 10ms 4 Jan 2023 675th sjrct 549 251 9ms 2 Jun 2023 675th ndren 549 251 30ms 22 Nov 2023 679th inventshah 549 337 3ms 31 Aug 2022 680th fourth-bit 547 252 10ms 14 Jul 2023 680th hiichbindermax 547 252 11ms 11 Sep 2024 680th croc54 547 252 10ms 30 Dec 2024 683rd dokutan 547 526 784ms 10 Dec 2025 684th timvermeulen 545 374 173ms 4 Jan 2020 685th bastienvoirin 🇫🇷 544 253 10ms 6 Apr 2020 685th mathisfun271 544 253 10ms 19 Dec 2023 687th orifu 542 254 10ms 22 Feb 2021 688th error256 542 421 75ms 3 Jul 2024 689th n1LS 541 228 35ms 2 Oct 2019 690th msbranicky 541 240 672ms 17 Jan 2024 691st scpchicken 🇵🇼 541 243 141ms 27 Mar 2022 692nd ollyspooner 541 293 10ms 25 Nov 2022 693rd timkaiser 540 255 10ms 18 Apr 2019 693rd Jacob385 540 255 10ms 12 Apr 2024 695th JunkIce 539 241 603ms 3 Dec 2024 696th yokasuretsu 539 244 132ms 17 Jan 2019 696th SirFireball3521 539 244 161ms 8 Mar 2023 698th null-tangent 539 294 12ms 4 Aug 2022 699th MeWhenI 🇻🇦 539 391 464ms 5 Mar 2022 700th evanrittner 538 256 10ms 17 Feb 2019 700th BrenSchaap 538 256 10ms 21 Oct 2021 700th nemoyatpeace 538 256 10ms 12 Jan 2026 703rd Pimentero 🇷🇺 538 362 4ms 13 Nov 2023 704th Eolu 538 379 174ms 20 Jan 2022 705th trinityy-7 537 295 11ms 5 Dec 2023 706th edsrzf 🇳🇿 537 340 42ms 11 Feb 2025 707th markbyrne 536 257 9ms 23 Oct 2020 707th RaBa21 🇭🇺 536 257 10ms 13 Jul 2025 709th cahidenes 536 388 383ms 25 Apr 2021 709th dokutan 536 388 506ms 7 Dec 2025 711th Mabeloid 🇳🇴 535 346 3ms 21 Oct 2025 712th dokutan 535 405 102ms 27 Sep 2024 713th omgardner 534 258 10ms 4 Feb 2019 713th ethandhunt 534 258 10ms 20 Jul 2021 715th MadScience137 534 297 10ms 16 Oct 2022 716th jared-hughes 533 347 3ms 21 Nov 2023 717th jm600 532 259 10ms 27 Nov 2022 718th pandapawskat 532 298 10ms 3 Dec 2020 719th hklemp 🇩🇪 531 342 381ms 21 Nov 2021 720th cbrt-x 531 392 456ms 29 Aug 2021 First Prev 641–720 of 1,711 Next Last
