Millionaire Mystery Box

Play Millionaire Mystery Box at Slots UK

Overview of Millionaire Mystery Box

Millionaire Mystery Box is a video slot from Big Time Gaming. The game is set across 5 reels and provides 243 ways to win on every spin.

Setting Your Bet

Players can adjust their stake by using the left and right arrow buttons next to the stake amount. The current stake is visible in the display. All winnings are calculated as a multiple of the selected stake per spin.

Playing the Game

To initiate a spin, press the Play button. The 5 reels will spin and then stop, displaying the outcome and any potential combinations or features triggered.

Wild Symbols and Multipliers

The Wild symbol can appear on reels 2, 3, and 4. It substitutes for all standard symbols except the Scatter. Each win that includes a Wild will be doubled, as the Wild applies a 2x multiplier.

Mystery Box™ Feature

The Mystery Box symbol may land on reels 2, 3, and 4. When this feature is triggered, the Mystery Boxes open to reveal another symbol. If 2 or 3 Mystery Box symbols appear, all of them transform into the same symbol, enhancing win potential. Payouts are determined after the transformation is revealed.

Gamble Feature

After any win, the Gamble button becomes available. Players have the option to press Gamble for a chance to go Double or Nothing, up to 5 consecutive times with each winning result. The ability to use the Gamble Feature may be disabled in some instances.

Scatter Symbols and Free Spins

Landing 3, 4, or 5 Millionaire Scatter symbols on the reels awards 7, 12, or 20 Free Spins, respectively. Scatter symbols can pay regardless of their position on the reels.

Multiplier Ladder in Free Spins

During Free Spins, a Multiplier Ladder with 12 rungs is active. Depending on how many Scatters triggered the bonus, the Multiplier Ladder starts on rung 1 (with 3 Scatters), rung 2 (with 4 Scatters) or rung 3 (with 5 Scatters).

All wins are multiplied by the current highlighted Multiplier.
Each additional Scatter that appears during Free Spins moves the Multiplier Ladder up by one rung.
Every newly reached rung, except rungs 4, 8, and 12, awards 1 additional Free Spin.
Reaching rung 4, 8, or 12 awards 3 extra Free Spins each.

Return to Player (RTP) Information

The Return to Player (RTP) reflects the theoretical statistical percentage of total bets returned to players as winnings over time. RTP is calculated using simulations over many rounds and is displayed within the game.