How to play Expansion!

You're standing on Earth's last outpost as the alien fleet spreads across the sky. Each ship that lands fires a beam in one or more directions, turning every symbol along its path wild. Your job is to hold the line until those beams connect scattered premiums into a single winning line. Expansion! is a medium volatility, fixed payline slot from Betsoft. It features Directional Wilds that expand across the reels, turning symbols in their path wild. Stacked Mystery Symbols transform to reveal matching symbols, increasing win potential. Landing 3 or more scatters triggers the Expansion! Free Spins round, where Directional Wilds are more frequent and a win multiplier is active. The top win in Expansion! is 1,212x your stake. Here is how you play.

Pick a stake and spin the 5x4 grid.
Watch for winning combinations of three or more matching symbols on any of the 30 paylines, starting from the leftmost reel.
Look for Directional Wilds, which expand in one or more directions, turning symbols along their path into wilds.
Stacked Mystery Symbols transform to reveal a single matching symbol type across their positions.
Land 3, 4, or 5 scatter symbols anywhere on the reels to trigger the Free Spins round.
Consider the bonus buy option to enter the Free Spins round directly for 60x, 90x, or 112.5x your stake, corresponding to 3, 4, or 5 scatters.

Key mechanics

Directional Wilds: When a wild symbol lands on the reels, it projects in one or more directions, expanding its reach and transforming symbols along its path into wilds to connect winning lines.
Stacked Mystery Symbols: These appear in stacks on the reels and transform to reveal a single matching symbol type across their positions, increasing the probability of multi-line wins.
Expansion! Free Spins: Landing 3 or more scatter symbols anywhere on the reels triggers this bonus round, where directional wilds occur more frequently and a win multiplier can be active.

Bonus rounds

Expansion! Free Spins (3, 4, or 5 scatter symbols): Directional wilds occur more frequently, and a win multiplier is active. Stacked mystery symbols are more potent.
Expansion! Free Spins (Bonus Buy for 60x stake): Grants the free spins round as if triggered with 3 scatters.
Expansion! Free Spins (Bonus Buy for 90x stake): Grants the free spins round as if triggered with 4 scatters.
Expansion! Free Spins (Bonus Buy for 112.5x stake): Grants the free spins round as if triggered with 5 scatters.

What is the RTP of Expansion!?

The RTP is 96.08% on Acebet.cc.

What is the volatility of Expansion!?

Volatility is medium, rated 3/6 by the provider.

What is the max win on Expansion!?

The top win on Expansion! is 1,212x your stake. This max win is achieved during the free spins round, combining directional wilds, stacked mystery symbols, and multipliers.

How many paylines does Expansion! have?

There are 30 fixed paylines, so every spin plays all 30.

What is the hit rate of Expansion!?

Wins land on 19.09% of spins on Acebet.cc. That is roughly one paying spin in 5.

Does Expansion! have free demos?

No, there is no demo mode on Acebet.cc. Gold Coins are the free way to play it.

Does Expansion! have free spins?

Yes, it includes a free spins round. Landing 3, 4, or 5 scatter symbols triggers the round. During free spins, directional wilds appear more frequently, and a win multiplier can activate. Acebet.cc's welcome bonus can be used on Expansion!.

Does Expansion! have bonus games?

Yes, it features a free spins bonus round, and it offers a bonus buy option. Players can purchase entry into the free spins for 60x, 90x, or 112.5x their stake, corresponding to 3-, 4-, or 5-scatter triggers.

How does Expansion!'s Directional Wilds work?

Directional Wilds activate when a wild symbol lands on the reels. The wild projects in one or more directions, expanding its reach across the reels. This transforms or connects symbols along its path to create winning lines. This mechanic is the core payout engine for the slot, capable of producing the game's better base-game and bonus wins.

Does Acebet.cc offer a no-deposit bonus for Expansion!?

Yes. New players get 10 SC free at signup with code ACEBET, no purchase necessary, plus a 200% bonus on a first Gold Coin purchase up to 10 SC. Bonus SC carries a 1x playthrough before it can be redeemed. Both can be played on Expansion!. Claim the no deposit social casino bonus. You must be 18 or older, and eligibility depends on where you play from.

What is a good strategy for Expansion!?

It is a medium volatility slot with a hit rate of 19.09%, meaning wins occur on about one in five spins. The top win is 1,212x your stake, so a balance between frequent smaller wins and rarer, larger payouts. The Directional Wilds are a core mechanic, expanding across reels to connect or transform symbols for winning lines. Players can use the bonus buy option to directly access the free spins round, with costs of 60x, 90x, or 112.5x your stake for 3, 4, or 5 scatter triggers, respectively. There is also social casino craps, built in house and provably fair.

How do Directional Wilds work in Expansion!?

When a Directional Wild symbol lands, it expands across the reels in one or more directions. This expansion transforms other symbols in its path into wilds, connecting or extending winning lines. This mechanic is central to the slot's payout structure in both the base game and free spins.

How does the bonus buy feature in Expansion! work and what does each tier give?

It offers three bonus buy options for its Free Spins round. You can purchase a 3-scatter trigger for 60x your stake, a 4-scatter trigger for 90x your stake, or a 5-scatter trigger for 112.5x your stake. Each tier grants a version of the free spins with increasing potential for larger wins, typically through more initial spins or better starting conditions.

Is Expansion! a good game for medium-volatility players who like space themes?

Yes, it is well-suited for players who prefer medium volatility and enjoy a space theme. It balances smaller, more frequent wins with the potential for larger payouts during its feature rounds. The game's retro alien-invasion visuals and expanding wild mechanics are often highlighted as key attractions.

What makes Expansion! different from other Betsoft slots?

It distinguishes itself with its unique Directional Wilds mechanic, which expands across the reels to create or extend wins. Its retro spaceship art style also sets it apart. While it maintains Betsoft's signature visual quality, the core gameplay is driven by these expanding wilds and stacked mystery symbols.

More alien slots on Acebet.cc

Here are more alien slots from the full social casino slots library on Acebet.cc.

RTP and volatility are set by the provider and subject to change. The figures above were accurate at publication. The in-game paytable always shows what the build is running right now.