Play Big Bang Bonus: Hold & Win Game at Prime Slots

Head underground for a light-hearted adventure in Big Bang Bonus: Hold & Win from Octoplay. This 5-reel, 4-row slot is set at the entrance of a gold mine, with bold, colourful visuals and a relaxed mining theme. With 20 paylines and low volatility, the pace is gentle—great for those who enjoy steady gameplay and frequent features.

Special symbols include wilds, gold pans, mystery tiles, and jackpots. The standout feature is Hold & Win: land six or more relevant symbols to trigger respins, with every new cash, mystery, or jackpot symbol locking in place and resetting your respins. Progressive “dynamite” levels can award multipliers, while four fixed jackpots (up to 1,000x) offer potential rewards. The slot is fully mobile compatible—enjoy it on your preferred device, and always play mindfully.