This exciting card game invites two to four players to challenge each other as individuals or as teams. The goal is to be the first to get rid of all your cards, and special WILD cards change the gameplay. Matching numbers is most important, but get BONUS points for matching colors as you race toward a score of 200.

On February 13, 2018, Mattel released a spin-off of Uno entitled Dos; the game is differentiated primarily by having a "center row" of discard piles, where pairs of cards that add up to the sum of a card on the top of one of the piles may be discarded.

There's a sequel to the card game UNO - it's appropriately called DOS. DOS is a new take on UNO that uses a similar system of numbered and colored cards, but this time around players have two card piles to choose from for playing cards and win after earning enough points, not by putting down all of their cards.

UNO™ has a new best friend, DOS™! In this fun card game, two is more important than one, and number matching is king! Just like UNO™, DOS™ involves a race to be the first to get rid of your cards. To start, there are two discard piles between the players.

Things You Should Know

1. Play DOS with 2–4 players that are 7 or older.
2. Play 1 or 2 cards with matching numbers to any cards in the Center Row on your turn.
3. Be the first person to play all the cards from your hand.
4. ​​Win the game if you're the first player to earn 200 points.

There's a "hashtag" card that counts as any number you want it to be, and cards with the number two count as any color you want them to be. When you're down to two cards, you're supposed to say "dos" before anyone else does.

When MS-DOS was released in 1981, it was by no means certain that Microsoft would go on to become the tech giant it is today. But over the course of the 1980s, via Microsoft's business maneuvering and its tight relationship with IBM, MS-DOS became the leading computer operating system.

Ten Games That Defined the DOS Gaming Era But from roughly 1981 to 1997, publishers released thousands of games in every genre for the PC and its text-based OS.

Mattel's new card game Dos has similar rules as Uno, except players make two piles of cards and can throw down two cards at a time instead of one. What's next for Uno? Dos, of course. Mattel Inc. is launching the new card game Dos next month in hopes of giving its nearly 50-year-old Uno brand a second life.

If you ever have EXACTLY TWO CARDS in your hand, you must shout out “DOS!” (meaning “two”).

Unlike UNO®, in DOS™ you primarily match numbers, but if you match colors as well you get a bonus! While in UNO®, you have one discard pile, in DOS™ you have at least two discard piles – sometimes more! And when you're down to TWO cards, don't forget to yell, “DOS!”

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Finally, we have DOS which is an entirely different game from UNO. There are 2 cards in the middle of the table and players have to match the number from their hand of cards. Numbers can be matched either with a single card or a sum total of the card.

If you want to run these games directly on your PC, you must use emulation (unless you purpose-build an era-accurate computer). The good news is that DOS emulation has been effectively solved for a few years, thanks to the same DOSBox emulator that powers the Internet Archive's web-based titles.

MS-DOS was also the basis for Microsoft Windows, which became the dominant operating system for personal computers in the 1990s. MS-DOS was eventually phased out by Microsoft, but it remains an important part of computer history and is still used by some enthusiasts and in certain specialized applications.

It was developed to be similar to Digital Research's CP/M - the dominant disk operating system for 8-bit Intel 8080 and Zilog Z80 microcomputers - in order to simplify porting CP/M applications to MS-DOS. When IBM introduced the IBM PC, built with the Intel 8088 microprocessor, they needed an operating system.