Alien Invaders

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Avalanche5-ReelsMultiplier

Alien Invaders

Pragmatic Play

RTP:96.50%
Volatility:High
Pay system:Scatter Pays
Max Win:5000X
Release:July 10, 2025

Free Spins

Bonus Buy

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Alien Invaders Slot Review

Reviewed on: July 17, 2025

7.15/10

Overall Score

7.15/10

Innovation

7.10/10

Graphics

7.20/10

Potential

7.10/10

Entertainment

7.20/10

Pros & Cons

Pros (4)

Innovative “bottom row only” payout mechanic

Alien Invaders introduces a unique twist where only the bottom row of each reel determines wins. This unconventional mechanic adds strategic tension and unpredictability to every spin.

Wild multipliers up to x100 in free spins

During the bonus round, wilds can carry massive multipliers of up to x100. When they hit the bottom row, they significantly boost all wins in that spin.

Persistent win multiplier during bonus

The win multiplier doesn’t reset between spins in the free spins round. Instead, it builds over time, allowing for increasingly larger payouts as the feature progresses.

Two-level Bonus Buy option

Players can instantly trigger the bonus round by purchasing either standard free spins or enhanced “super” spins. The super option starts with a hefty x50 multiplier for even bigger win potential.

Cons (3)

No traditional paylines

Alien Invaders ditches classic paylines in favor of a bottom-row-only system, which might confuse players used to standard slot mechanics. While innovative, it can feel limiting for those expecting more frequent wins across the grid.

Bonus can take time to trigger without Bonus Buy

Triggering the free spins naturally requires at least three scatters on the bottom row, which can be rare. This may lead to a slower-paced experience unless you opt for the bonus buy feature.

High volatility can deplete your balance quickly

With fewer frequent wins and larger payouts tied to rare features, this slot can go long stretches without significant returns. It's designed for risk-takers and may not suit casual or budget-conscious players.