Casino War style game. Note: Due to a stupid lawsuit we had to change the name from Casino War to "Top Card Trumps.". Play War, casino game by Nucleus. This high-quality game has a 97% return to player rate, so you'll be earning back your time and money in no time. Test drive War before you release the hounds and play for real money. We offer a fantastic gaming experience with our high-quality slots and games. Play on desktop or mobile, and get huge payouts along the way.