Cannonball Express is one of the most popular slots games in casinos across the world. It is a five reel, 25 pay line slot game with bonus rounds and free spins. The bonus round is triggered when any of the cannonballs are landed on the pay lines. In this bonus round, players can win up to $5,000 if they get three cannonballs in a row.
The free spins round is triggered when players get three or more cannonballs on the reels. In this bonus round, they can win up to $10,000 or 40 free spins. Players can also use their free spins to win additional money or bonuses.