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Read our Expansion slot review and discover mystery stacks, directional wilds, and free spins with multipliers. Play for free.
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Invaders from the Planet Moolah
RTP92.97%
Volatility—
Alice & The Mad Tea Party
RTP96.03%
Volatility—
Giant's Gold
RTP96.21%
VolatilityLow Medium
Book of Dead
RTP96.21%
Volatility—
Star Trek Red Alert
RTP96%
VolatilityMedium
Sizzling Moon
RTP96.14%
VolatilityHigh
Starburst
RTP96.1%
VolatilityLow
Temple Tumble
RTP96.25%
VolatilityHigh
Cash Coaster
RTP96.06%
VolatilityMedium
Gonzo's Quest
RTP96%
VolatilityHigh
Expansion! Slot Comparison
 Expansion! | Invaders from the Planet Moolah | Alice & The Mad Tea Party | Giant's Gold | |
|---|---|---|---|---|
User Score | (95) | (58383) | (23927) | (22848) |
Return to Player | 96.08% | 92.97% | 96.03% | 96.21% |
Volatility | Medium | — | — | Low Medium |
Min Bet | 0.6 | 0.25 | 0.5 | 0.5 |
Max Bet | 30 | 125 | 100 | 100 |
| — | — | — | — | |
Autoplay | No | No | No | No |
Bonus Buy | No | No | No | No |
Bonus Rounds | No | Yes | Yes | Yes |
Cascading Reels/Avalanche Feature | No | No | No | No |
Number of Paylines | 30 | 25 | 30 | 100 |
| Play Invaders from the Planet Moolah for Free | Play Alice & The Mad Tea Party for Free | Play Giant's Gold for Free |
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Make Space for this Exciting Slot Game
Space is the theme of the Expansion online slot, and it’s one of the best online slots by Betsoft. Hit winning combos by filling five reels with stars and mystery stacked symbols. Land the planet scatters to trigger free spins. This game also has a ray gun that fires directional wilds in the base game and the free spin feature when you play Expansion on mobile, tablet, or desktop.
Go Wild with Your Ray Gun
Bet 0.60 to 30 coins when you play Expansion slot online and win prizes on 30 paylines. You can hit winning combos by lining up three to five matching symbols. When a ray gun lands on the reels, it fire its beam, leaving a trail of directional wilds that substitute for the base game symbols to create winning combos where possible. Play Expansion at the best slot sites.
Trigger Free Spins with Multipliers
Stacked mystery symbols land on every spin before changing to one matching symbol to give you a chance of winning big prizes. Land three, four, or five planets, and you’ll play eight, 12, or 15 free spins. Ray guns fire twice during this exciting feature, leaving two trails of directional wilds with 2x-10x multipliers. Play the Expansion slot machine at the best real money online casinos.
Symbol
Features / Top Prizes
Planet Scatters
Free Spin Feature
Star
100x
Planet
40x-80x
10-A
25x
Expand Your Slot Portfolio
Once you’ve played the Expansion online slot, spin the best new online slots by other popular software providers. Win big prizes and play exciting features when you spin Zeus Expand by JustPlay or Nights of Egypt Expanded Edition by Spinomenal.
Head in the Right Direction
Now you’ve read our Expansion review, spin this exciting slot game at one of the top online slot sites. Win big prizes by firing your ray gun to leave a trail of directional wilds. Fire it twice in the free spin feature and win up to 10x multiplier wilds.