Bubble Double centers on Multiplier, Wild, and RTP range as its core mechanics. Built on a 5x3 grid and offering 243 ways to win, the layout foregrounds a water-themed aesthetic with imagery drawn from Watermelon, Plum, Pineapple, Red, Berries, and a dark blue backdrop. The top win is 74x the stake. Wild symbols substitute to complete winning combinations, while multipliers adjust payouts on eligible spins, influencing return potential without additional actions from the player. The visual presentation combines glassy symbol art with a cool color palette to emphasize the aquatic theme.

Definitions: RTP denotes the long-run statistical return expressed as a percentage; Wild symbols substitute to complete winning combinations. Additional context: The Multipliers modify payouts on qualifying spins, and RTP range implies that the exact figure can vary by region or over time.

From a wagering perspective, the minimum bet is 0.4 USD and the maximum bet is 200 USD. The documented RTP stands at 94%. The balance between stake options and fixed return information provides a straightforward frame for evaluating the game's risk and payout expectations.