Bullion Blitz plays on a 6x4 grid where standard paylines are absent. The game focuses on collecting cash symbols that appear on the reels, which are then gathered by special symbols landing on the first and sixth reels. Players look for vault symbols to trigger upgrades that reveal colored diamonds, each providing unique enhancements to the potential payouts.

The vault spins bonus round is triggered by landing 3 or more bonus symbols. During this feature, a money collect trail becomes active, and collecting 3 money symbols awards a multiplier along with 5 extra spins. Due to its high volatility, this game is suited for players who prefer sessions with significant variance in potential outcomes.