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.

Where to Play ALIENS-Themed Slots for Real Money at Trusted Casinos

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 Orbitfall
CGSCORE 66
ELK Studios Orbitfall
Max Win: 7500x
RTP: 94%
 Aliens
CGSCORE 65
NetEnt Aliens
Max Win: 600x
RTP: 96.4%
 Invading Vegas Las Christmas
CGSCORE 64
Playn Go Invading Vegas Las Christmas
Max Win: 2500x
RTP: 96.2%
 Spacebotz
CGSCORE 64
Genesis Gaming Spacebotz AstroPop
CGSCORE 64
AvatarUX AstroPop
Max Win: 10000x
RTP: 96.03%
 Alien Fruits 2
CGSCORE 64
BGaming Alien Fruits 2
Max Win: 5000x
RTP: 97.17%
 Pixel Invaders
CGSCORE 63
GameArt Pixel Invaders
Max Win: 50000x
RTP: 96.33%
 Space Attacks Dream Drop
CGSCORE 63
Jackpot!
Relax Gaming Space Attacks Dream Drop
Max Win: 8000x
RTP: 94%
 Space Stacks
CGSCORE 63
Push Gaming Space Stacks
Max Win: 5000x
RTP: 96.23%
 Reptoids
CGSCORE 63
Yggdrasil Gaming Reptoids
Max Win: 5000x
RTP: 96.1%
 Cosmic Cash
CGSCORE 63
Pragmatic Play Cosmic Cash
Max Win: 2650x
RTP: 96.55%
 Captain Xenos Earth Adventure
CGSCORE 62
Playn Go Captain Xenos Earth Adventure
Max Win: 10000x
RTP: 96.2%
 Mars Attacks
CGSCORE 62
Blueprint Mars Attacks
Max Win: 10000x
RTP: 96.44%
 Farm Invaders
CGSCORE 62
PG Soft Farm Invaders
Max Win: 20000x
RTP: 96.68%
 Warp Wreckers Power Glyph
CGSCORE 62
Quickspin Warp Wreckers Power Glyph
Max Win: 4726x
RTP: 96.29%
 Chibeasties
CGSCORE 62
Yggdrasil Gaming Chibeasties
Max Win: 2000x
RTP: 96.2%
 Back to Venus
CGSCORE 62
Betsoft Back to Venus
Max Win: 4338x
RTP: 97.07%
 Invading Vegas
CGSCORE 61
Playn Go Invading Vegas
Max Win: 1000x
RTP: 96.2%
 Iron Girl
CGSCORE 61
Playn Go Iron Girl
Max Win: 1000x
RTP: 96.7%
 Jelly Multihops
CGSCORE 61
Red Tiger Gaming Jelly Multihops
Max Win: 10000x
RTP: 95.75%
 Blobsters Clusterbuster
CGSCORE 61
Red Tiger Gaming Blobsters Clusterbuster
Max Win: 7500x
RTP: 95.8%
 Alien KO
CGSCORE 60
Green Jade Games Alien KO
Max Win: 10000x
RTP: 95.08%
 Expansion
CGSCORE 59
Betsoft Expansion
Max Win: 1212x
RTP: 96.08%
 Agent 51
CGSCORE 59
Kalamba Games Agent 51
Max Win: 5593x
RTP: 96.17%
 << Prev 1 2 3 4 Next >> Back to top Play ALIENS Slots for Real Money Here ⬇
FortuneJack Casino Rating 4.6/5 37+ Game Providers

Curacao-License

 1st Deposit Bonus
110% up to 1.5 BTC + 250 Free Spins*
bonusinfo There is a No Deposit Bonus available: 100 Free Spins (Wager-free)
Bonus T&C Apply No bonus code required Min. deposit: 0.005 BTC Wager requirement: 30X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Stake US Rating 4.4/5 24+ Game Providers Exclusive Bonus
$25 Free When Verified*
bonusinfo There is a No Deposit Bonus available: 10000 Gold Coins + 1 Stake Cash
Bonus T&C Apply No bonus code required Wager requirement: 0X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. CryptoGames.io Casino Rating 4.4/5 59+ Game Providers Exclusive Bonus
50 Free Spins*
Bonus T&C Apply No bonus code required Min. deposit: $100 / 0.001 BTC Wager requirement: 5X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Snatch Casino Rating 4.3/5 80+ Game Providers

Curacao-License

 1st Deposit Bonus
200% up to $/€1000 + 100 Free Spins*
Bonus T&C Apply No bonus code required Min. deposit: $/€15 Wager requirement: 40X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. LuckyDays Casino Rating 4.3/5 53+ Game Providers

Curacao-License

 1st Deposit Bonus
100% up to $/€100 + 100 Free Spins*
Bonus T&C Apply No bonus code required Min. deposit: $/€20 Wager requirement: 25X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Betway Casino Rating 4.2/5 24+ Game Providers

Malta-License (EU)

 1st Deposit Bonus
100% up to $/€250*
Bonus T&C Apply No bonus code required Min. deposit: $/€10 Wager requirement: 50X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Canada777 Casino Rating 4.1/5 139+ Game Providers

Curacao-License

 Exclusive Bonus
300% up to €1000 + 100 Free Spins*
bonusinfo There is a No Deposit Bonus available: 50 Free Spins
Bonus T&C Apply Bonus code: BONUS8 Min. deposit: $/€10 Wager requirement: 35X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Crypto Slots Rating 4.1/5 2+ Game Providers Exclusive Bonus
177% up to $500*
Bonus T&C Apply Bonus code: MATCH177EPLAY Min. deposit: $25 Wager requirement: 35X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Candy Casino Rating 4.1/5 128+ Game Providers

Curacao-License

 Exclusive Bonus
200% up to $/€200*
bonusinfo There is a No Deposit Bonus available: 100 Free Spins
Bonus T&C Apply Bonus code: GAMESONNET Min. deposit: $/€20 Wager requirement: 40X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Europa777 Casino Rating 3.9/5 139+ Game Providers

Curacao-License

 Exclusive Bonus
300% up to €1000 + 100 Free Spins*
bonusinfo There is a No Deposit Bonus available: 50 Free Spins
Bonus T&C Apply Bonus code: BONUS8 Min. deposit: $/€10 Wager requirement: 35X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. BetOnline Casino Rating 3.9/5 7+ Game Providers 1st Deposit Bonus
100% up to $1000*
Bonus T&C Apply Bonus code: CRYPTO100 Min. deposit: $25 Wager requirement: 14X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Bet365 Casino Rating 3.9/5 14+ Game Providers 1st Deposit Bonus
100% up to €100*
Bonus T&C Apply No bonus code required Min. deposit: €10 Wager requirement: 20X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Swift Casino Rating 3.9/5 48+ Game Providers

Malta-License (EU)

 1st Deposit Bonus
100% up to $/€100 + 50 Free Spins*
Bonus T&C Apply Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus €100. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: €0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min €0.10) of the free spin winnings and bonus amount or €5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country. Aladdins Gold Casino Rating 3.9/5 1+ Game Providers

Curacao-License
No bonus available
Visit Casino 18+ | T&C Apply | Play Responsibly | BeGambleAware.org America777 Casino Rating 3.8/5 139+ Game Providers Exclusive Bonus
300% up to €1000 + 100 Free Spins*
bonusinfo There is a No Deposit Bonus available: 50 Free Spins
Bonus T&C Apply Bonus code: ZX88 Min. deposit: $/€10 Wager requirement: 35X More bonus info Full Bonus T&C
Get Bonus 18+ | T&C Apply | Play Responsibly | BeGambleAware.org *Bonus may vary depending on country.
TOP CASINOS
Slotoro Casino Slotoro
Slotsgem Casino Slotsgem
MyStake Casino MyStake
Hell Spin Hell Spin
Slotrave Slotrave
Winz.io Winz.io
More top casinos