The Calendar hole will go live in approximately 13 days. Why not try and solve it 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st asheeri 638 216 9ms 16 Aug 2021 401st Indivicivet 638 216 10ms 26 Oct 2021 403rd Jacob385 638 326 744ms 28 Oct 2025 404th tdkkdt 🇷🇺 637 285 395ms 21 Nov 2021 405th MaliPatuljak 636 327 397ms 3 Apr 2023 406th Andriamanitra 🇫🇮 636 344 3ms 13 Jun 2024 407th Andriamanitra 🇫🇮 635 217 10ms 9 Apr 2022 407th nstearns96 🇬🇧 635 217 9ms 12 Jan 2023 407th ballaire 635 217 11ms 15 Feb 2024 407th tri1212 🇻🇳 635 217 10ms 24 Jun 2024 407th Mabeloid 🇳🇴 635 217 9ms 20 Oct 2025 412th hemphen 633 287 371ms 2 Aug 2022 413th adoxography 632 218 9ms 6 Feb 2019 413th argusdusty 🇺🇸 632 218 10ms 11 Jan 2021 413th elgan65536 632 218 10ms 3 Apr 2024 413th Andrey2001 632 218 11ms 25 days ago 417th edsrzf 🇳🇿 631 318 6ms 21 Dec 2024 418th baumpilz 630 330 417ms 7 Jan 2021 419th adamnielson42 🇺🇸 629 219 11ms 14 Apr 2023 419th BREMAUCY 🇫🇷 629 219 11ms 22 Feb 2024 419th Mathrew2012 629 219 9ms 30 Aug 2024 419th AnAwesomGuy 629 219 9ms 22 Sep 2025 419th albanian-laundromat 629 219 9ms 26 Oct 2025 424th targrik 629 252 9ms 8 Jun 2025 425th Trusly 629 363 265ms 30 May 2024 426th CLOStrophobic 🇮🇹 627 291 45ms 13 Feb 2025 427th ibeucaly 627 338 263ms 25 Sep 2022 428th RedzGoose 🇦🇺 626 220 11ms 14 Oct 2024 429th msbranicky 626 420 65ms 4 Jan 2024 430th shen-hong-xin 623 221 9ms 9 Jul 2021 430th jfallon1997 623 221 9ms 16 Aug 2022 430th StefanHabel 🇨🇦 623 221 9ms 12 Dec 2022 433rd AnAwesomGuy 623 253 752ms 22 Sep 2025 434th lifthrasiir 🇰🇷 622 165 4ms 1 Dec 2024 435th TheZwierzLF 🇵🇱 621 209 500ms 27 days ago 436th coreynash 621 255 9ms 26 May 2023 437th devoil-g 621 298 2ms 7 Oct 2024 438th hjcafaroUC 620 222 9ms 1 Aug 2020 438th sk- 620 222 10ms 11 Sep 2020 438th GolfingSuccess 🇬🇷 620 222 12ms 19 Oct 2020 438th AlephSquirrel 620 222 10ms 8 Jul 2022 438th lomarbrick 620 222 9ms 22 May 2023 438th stefangimmillaro 620 222 11ms 19 Jun 2023 438th lhulinsky 620 222 9ms 21 Oct 2024 445th albanian-laundromat 620 320 44ms 15 days ago 446th jared-hughes 619 199 46ms 11 Oct 2022 446th aaronze 🇦🇺 619 199 39ms 17 Sep 2023 448th Natanaelel 🇸🇪 619 217 2ms 5 Oct 2021 449th Shanethegamer 🇺🇸 619 236 974ms 28 Jul 2021 450th jjgry 618 223 9ms 1 Mar 2021 450th jhpaques 🇫🇷 618 223 9ms 21 Sep 2022 450th andrewjc2000 618 223 10ms 8 Jul 2025 453rd TomvdPeet 618 315 5ms 1 Dec 2024 454th arjanadriaanse 🇳🇱 617 265 121ms 29 Jan 2022 455th frozolotl 617 330 164ms 10 Jan 2020 455th elgan65536 617 330 154ms 14 Oct 2023 457th emgordon154 616 237 962ms 31 Jul 2024 458th The3gs 615 224 10ms 13 Oct 2020 458th Pulencode 🇨🇨 615 224 10ms 14 Nov 2024 460th annaproxy 615 266 124ms 4 Sep 2022 461st lucacrose 🇺🇸 614 321 1ms 20 Sep 2023 462nd prplz 🇦🇺 613 201 35ms 23 Oct 2020 463rd MeWhenI 🇻🇦 613 219 3ms 15 Apr 2023 464th JohandeRuiter 🇳🇱 613 302 4ms 21 Jul 2024 465th knutae 🇳🇴 612 225 9ms 19 Jul 2019 465th Psirving 612 225 9ms 3 Aug 2020 465th KatieLG 🇬🇧 612 225 10ms 4 Nov 2022 465th bobbysq 612 225 10ms 22 Jul 2023 465th roguh 🇬🇹 612 225 10ms 20 Oct 2024 470th CaedenHarper 🇨🇦 612 259 8ms 6 Nov 2025 471st AlephSquirrel 612 314 7ms 6 Oct 2024 472nd AlephSquirrel 610 213 585ms 21 Jan 2024 472nd snoozingnewt 🇨🇦 610 213 667ms 14 Jan 2025 474th Pyroan 609 226 11ms 3 Aug 2023 474th FranklinJiaChen 609 226 9ms 3 Jul 2024 474th EthanJantz 609 226 9ms 12 Aug 2025 477th msbranicky 609 305 2ms 20 Jan 2025 478th primo-ppcg 🇹🇭 608 359 45ms 3 Jul 2023 479th adoxography 607 203 45ms 6 Feb 2019 480th commandblockguy 🇺🇸 607 214 617ms 1 Sep 2025 First Prev 401–480 of 1,671 Next Last