PartyCasino has packed its blackjack tables with thousands of cash gifts, bonuses and free points.

PartyCasino's rewards are hidden inside a surprise Jack in the Box. All you have to do is play any of their blackjack games as normal between 00:00 ET on 26th May (Wednesday) and 23:59 ET on 30th May (Sunday). If the Jack in the Box appears, make sure you claim your prize.

Remember, the more you play blackjack, the better your chance of finding the account-boosting surprises.

Jack in the Box rewards will appear at random in the following games:

• Blackjack Multi-Hand Pro
• Blackjack Single Deck
• Blackjack Bonus Pairs
• Blackjack High Limit
• Blackjack Single Player
• Multi-Player Blackjack
• Multi-Hand Blackjack

Boost your account with an extra $/£/€500 when you sign up to PartyCasino.com today.