Jacks or Better is a popular video poker game that uses a standard 52-card deck. The objective is to form a winning hand, which starts with a pair of jacks or higher. Players are dealt five cards and can choose to keep or discard any of them to improve their hand. The game follows specific payout rules based on the strength of the final hand. Winning combinations include pairs, three of a kind, straights, flushes, and full houses. The game is often found in casinos and online gaming platforms, making it accessible to a wide audience.