Speed is a thrilling card game available on iPhone that allows you to play against a friend or challenge one of three robot opponents. The objective of the game is to play a card that is one less or one more than the number of the card in the center of the table, as quickly as possible. For example, you can play a 3 card on a 2 or 4 card, a 7 on a 6 or 8 card, or a 13 on a 12 or 1 card. The first player to successfully play all their cards wins the game.

With its simple yet addictive gameplay, Speed offers endless entertainment for card game enthusiasts. The game is easy to learn, making it accessible to players of all skill levels. Whether you're playing against a friend or challenging the AI opponents, Speed provides a fast-paced and competitive experience that will keep you engaged for hours.

Speed is available for free on the App Store, and for those who prefer an ad-free experience, there is also a paid version called Speed Gold. If you're looking for a fun and challenging card game to play on your iPhone, Speed is definitely worth a try.