HomeGamesAlien-Themed Games Free Play

Alien-Themed Games Free Play

Alien-Themed Games. ✅ Free casino games and slots. ✅ No download, no registration required. ✅ Play for free in demo mode.
1Advanced filterSlots116Roulette0Blackjack0Video poker0Bingo0Baccarat0Live games0Craps and dice0Keno0Scratch cards1Other games1Crash games0
118 games found
Sort
Reactoonz
Play for Free
Loading preview...
Reactoonz by Play'n GO
Invaders from the Planet Moolah
Play for Free
Loading preview...
Invaders from the Planet Moolah by WMS
Reactoonz 2
Play for Free
Loading preview...
Reactoonz 2 by Play'n GO
Trolls Bridge
Play for Free
Loading preview...
Trolls Bridge by Yggdrasil Gaming
Little Green: Men Nova Wilds
Play for Free
Loading preview...
Little Green: Men Nova Wilds by IGT
Mars Dinner
Play for Free
Loading preview...
Mars Dinner by MrSlotty
Arrival
Play for Free
Loading preview...
Arrival by Betsoft Gaming
Chibeasties
Play for Free
Loading preview...
Chibeasties by Yggdrasil Gaming
Monster Wins
Play for Free
Loading preview...
Monster Wins by Nextgen Gaming
Under the Bed
Play for Free
Loading preview...
Under the Bed by Betsoft Gaming
Chibeasties 2
Play for Free
Loading preview...
Chibeasties 2 by Yggdrasil Gaming
Monster Wheels
Play for Free
Loading preview...
Monster Wheels by Games Global
Reactoonz 100
Play for Free
Loading preview...
Reactoonz 100 by Play'n GO
3 Wild Aliens
Play for Free
Loading preview...
3 Wild Aliens by Iron Dog Studio
Dice Invaders
Play for Free
Loading preview...
Dice Invaders by Amigo Gaming
Cosmic Catch
Play for Free
Loading preview...
Cosmic Catch by Pragmatic Play
Merge Hold & Drop
Play for Free
Loading preview...
Merge Hold & Drop by Rogue Gaming
5 Fruit Invaders
Play for Free
Loading preview...
5 Fruit Invaders by Amigo Gaming
Flagman Fruits
Play for Free
Loading preview...
Flagman Fruits by BGaming
Astro Rumble
Play for Free
Loading preview...
Astro Rumble by Bullshark Games
Show More Games (+20)
Author: Juraj Torok Last updated: 12 Feb 2026
118 games found based on your search. Showing 1 - 20
    1 2...6
    Go to pageof 6 pages
Filter
Aliens
Clear all filters
Game Type
Slots, Roulette, Blackjack, Video poker, Bingo, Baccarat
Slots 116 Roulette 0 Blackjack 0 Video poker 0 Bingo 0 Baccarat 0
Live games 0
All 0 Live shows 0 Live baccarat 0 Live bingo 0 Live blackjack 0 Live dice games 0 Other live games 0 Live poker 0 Live roulette 0
Craps and dice 0 Keno 0 Scratch cards 1 Other games 1 Crash games 0
Game Provider
Realtime Gaming, NetEnt, Rival, Nolimit City, Betsoft Gaming
Realtime Gaming 0 NetEnt 1 Rival 0 Nolimit City 2 Betsoft Gaming 2 TaDa Gaming 0 Pragmatic Play 3 Playtech 2 Novomatic 0 Apricot (Microgaming) 4 IGT 1 ELK Studios 4 Big Time Gaming 1 Scientific Games 0 Yggdrasil Gaming 3 Tom Horn 2 Quickspin 0 Evoplay 2 Push Gaming 0 Eyecon 1 Evolution Gaming 0 Saucify 0 SA Gaming 1 BGaming 2 GameArt 0 Play'n GO 5 Red Tiger Gaming 0 Endorphina 1 Bally 0 Barcrest 0 WMS 1 Amaya 2 Blueprint Gaming 0 Wazdan 0 PariPlay 0 Habanero 4 Lightning Box 0 Playson 0 Nextgen Gaming 1 iSoftBet 0 Merkur Gaming 3 Nektan 0 Amatic 0 Red Rake Gaming 0 Thunderkick 1 Leander Games 2 Spinomenal 1 Rabcat 1 Ezugi 0 Igrosoft 0 1X2 Network 0 Booming Games 1 2By2 Gaming 0 Iron Dog Studio 2 WGS Technology (Wager Gaming) 0 Realistic Games 0 High 5 Games 0 Genesis Gaming 0 Ash Gaming 0 NeoGames 0 Belatra Games 0 Booongo (BNG) 0 MrSlotty 3 Relax Gaming 2 Dream Play 0 edict 0 MultiSlot 0 TOPTrend Gaming 1 Greentube 0 Genii 0 Arrow's Edge 1 Ainsworth 0 Gaming1 0
Game Theme
5-Reels, 6-Reels, Sweets, Mythology, Ocean and sea, Western
10-Reels +5 3-Reels +1,540 4-Reels +246 5-Reels +15,042 6-Reels +1,946 7-Reels +189 8-Reels +45 Adventure +353 AliensAmerican +269 Animals +1,772 Anime +49 Arabian +147 Arcade +119 Asian +1,453 Astrology +68 Aztecs +288 Cards +290 Cars +123 Christmas +469 Classics and retro +296 Comics +144 Crime +343 Earth Day +16 Easter +74 Egypt +907 Fairy tales +228 Fantasy +106 Farm and Garden +103 Fireworks +32 Fishing +257 Food +362 Fortune +589 Fruits +2,501 Gangsters +97 Gems and diamonds +500 Gods +345 Halloween +144 History +206 Holiday +345 Horror and scary +495 Irish +382 Japan +448 Jungle +223 Knights and Dragons +68 Love and romance +118 Magic +335 Medieval +263 Megaways +390 Mexico +150 Military +140 Mining +162 Money and wealth +559 Movies and tv +188 Music +261 Mythology +803 Nature +836 Ninja +64 Ocean and sea +558 Pachinko +2 Pirates +304 Qatar World Cup 2022 +12 Relax +409 Samurai +49 Sci-fi +50 Space and galaxy +158 Sport +336 Summer +132 Super heroes +49 Sweets +310 Technology +165 Vampires +14 Vikings +156 Western +315 Winter +339 Winter Olympics +5
Game Features
Filter by available features
Double-up option 15 Configurable lines 22 Jackpot games 20 Bonus Buy 10
Other
Other filters
Featured games 6 Reviewed games 11 Released last month 0
Payout System
Winlines, any way wins, pay anywhere, etc.
Classic winlines 92 Cluster pays 10 Pay anywhere 3 Any ways wins 9 Other 1
Winlines
1
500000000
Reels and Rows
Filter by reels and rows
Number of reels
1
50000
Number of rows
1
50000
Return to Player
Filter by RTP percentage
Return to Player
50%
100%
Clear all Filter (118)
Alien-Themed Games | Play Free Casino Games and Slots
Top pages
Trending pages
Casino Guru
About us
Casino Guru Academy
null

Free professional educational courses for online casino employees aimed at industry best practices, improving player experience, and fair approach to gambling.

Global Self-Exclusion Initiative
null

An initiative we launched with the goal to create a global self-exclusion system, which will allow vulnerable players to block their access to all online gambling opportunities.

Gamtegrity
null

A platform created to showcase all of our efforts aimed at bringing the vision of a safer and more transparent online gambling industry to reality.

Casino Guru Awards
null

An ambitious project whose goal is to celebrate the greatest and the most responsible companies in iGaming and give them the recognition they deserve.

Play responsibly and in moderation.

Casino.guru is an independent source of information about online casinos and online casino games, not controlled by any gambling operator. All our reviews and guides are created honestly, according to the best knowledge and judgement of the members of our independent expert team; however, they are intended for informative purposes only and should not be construed as, nor relied upon as, legal advice. You should always make sure that you meet all regulatory requirements before playing in any selected casino. Copyright ©2026

Casino Guru in other languages
Select language
Trustpilot_flash_alt
What’s your opinion on Casino Guru? Share your feedback
PP Forum Xmas Competition flash 2025
Share your winnings from Pragmatic Play slots — we’re giving away prizes worth $2,000!

Follow us on social media – Daily posts, no deposit bonuses, new slots, and more

Subscribe to our newsletter for no deposit bonuses, free tournaments, new slots, and more.