Best aliens-themed online slots and free aliens slot demos

ALIENS Online Slots – Ranked List, Free Demos & Best Casinos

If you're looking for the top-rated aliens-themed slots, you've come to the right place! Our updated CGSCORE ranking highlights the best aliens slots online, from classic adventures to modern aliens bonus games. Play free demos to explore the gameplay risk-free and learn the mechanics at your own pace — no deposit needed.

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Ready to move beyond free demos? Find safe and trusted online casinos offering aliens slots and claim exclusive bonus deals from our recommended real-money sites. Whether you're chasing big wins, bonus features, or immersive aliens adventures, these top-tier casinos deliver the ultimate aliens-slot experience.

 Top SlotsNew SlotsUpcomingHigh RTPBonus BuyMegaways Top Free aliens Slots Zap Attack
CGSCORE 70
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RTP: 96.15%
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CGSCORE 70
Light and Wonder Invaders Megaways
Max Win: 25000x
RTP: 96.3%
 Reactoonz Blitzways
CGSCORE 70
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CGSCORE 70
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RTP: 96.58%
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CGSCORE 70
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CGSCORE 70
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CGSCORE 69
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RTP: 96.1%
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CGSCORE 69
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Max Win: 5000x
RTP: 96.5%
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CGSCORE 69
Shady Lady Orphan Organ
Max Win: 20000x
RTP: 96.17%
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CGSCORE 69
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RTP: 96.11%
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CGSCORE 69
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Max Win: 22000x
RTP: 96.25%
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CGSCORE 68
Pragmatic Play Rocket Blast Megaways
Max Win: 10000x
RTP: 96.01%
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CGSCORE 68
IGT Little Green Men Nova Wilds
Max Win: 25000x
RTP: 96.47%
 Golden Egg Invaders
CGSCORE 68
NetEnt Golden Egg Invaders
Max Win: 1259x
RTP: 96.13%
 Alien Robots
CGSCORE 68
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Max Win: x
RTP: 96.6%
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CGSCORE 68
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Max Win: 10020x
RTP: 96.05%
 Cowboys and Aliens
CGSCORE 68
Playtech Cowboys and Aliens CritterPop
CGSCORE 67
AvatarUX CritterPop
Max Win: 20000x
RTP: 96.08%
 Giganimals Gigablox
CGSCORE 67
Yggdrasil Gaming Giganimals Gigablox
Max Win: 5000x
RTP: 96%
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CGSCORE 67
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Max Win: 900x
RTP: 96.2%
 Alien Invaders
CGSCORE 67
Pragmatic Play Alien Invaders
Max Win: 5000x
RTP: 96.5%
 Reactoonz 100
CGSCORE 67
PlayN Go Reactoonz 100
Max Win: 10000x
RTP: 96.2%
 Alien Wins
CGSCORE 66
Realtime Gaming Alien Wins
Max Win: 5000x
RTP: 95%
 Wild Worlds
CGSCORE 66
NetEnt Wild Worlds
Max Win: 2500x
RTP: 96.47%
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