HomeGamesSci-fi-Themed Games Free Play

Sci-fi-Themed Games Free Play

Sci-fi-Themed Games. ✅ Free casino games and slots. ✅ No download, no registration required. ✅ Play for free in demo mode.
1Advanced filter
Slots79
Roulette0
Blackjack0
Video poker0
Bingo0
Baccarat0
Live games0
Craps and dice0
Keno0
Scratch cards0
Other games0
Crash games0
79 games found
Sort
Zombie School Megaways
Play for Free
Loading preview...
Zombie School Megaways by Pragmatic Play
Nuukd
Play for Free
Loading preview...
Nuukd by Shady Lady
Dr Zappo
Play for Free
Loading preview...
Dr Zappo by Hacksaw Gaming
Cosmic Trails
Play for Free
Loading preview...
Cosmic Trails by Retro Gaming
Galaxy Babies
Play for Free
Loading preview...
Galaxy Babies by Habanero
Frankenstein Triple Volt
Play for Free
Loading preview...
Frankenstein Triple Volt by Ruby Play
AgroCulture
Play for Free
Loading preview...
AgroCulture by Relax Gaming
Reactoonz Blitzways
Play for Free
Loading preview...
Reactoonz Blitzways by Play'n GO
Wild Zombies
Play for Free
Loading preview...
Wild Zombies by Popiplay
Frankenstein Wild Surge
Play for Free
Loading preview...
Frankenstein Wild Surge by Reel Play
Frankenstein's Fortune
Play for Free
Loading preview...
Frankenstein's Fortune by Blueprint Gaming
Zombie Market
Play for Free
Loading preview...
Zombie Market by Ninja gaming
Invaders Blitz
Play for Free
Loading preview...
Invaders Blitz by Light & Wonder
Maximum Zombie
Play for Free
Loading preview...
Maximum Zombie by Hot Rise Games
Pirots 4 - Inferno
Play for Free
Loading preview...
Pirots 4 - Inferno by ELK Studios
Make the Moon Great Again
Play for Free
Loading preview...
Make the Moon Great Again by Realistic Games
Snake Arena 2
Play for Free
Loading preview...
Snake Arena 2 by Relax Gaming
Boomology 101
Play for Free
Loading preview...
Boomology 101 by Qora Games
Spin 4 Dead 2: Christmastown
Play for Free
Loading preview...
Spin 4 Dead 2: Christmastown by Gamebeat
World Eaters
Play for Free
Loading preview...
World Eaters by ELK Studios
Show More Games (+20)
Author: Juraj Torok Last updated: 28 Oct 2026
79 games found based on your search. Showing 1 - 20
Filter
Sci-fi
Clear all filters
Game Type
Slots, Roulette, Blackjack, Video poker, Bingo, Baccarat
Slots 79 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 0 Other games 0 Crash games 0
Game Provider
Realtime Gaming, NetEnt, Rival, Nolimit City, Betsoft Gaming
Realtime Gaming 0 NetEnt 0 Rival 0 Nolimit City 2 Betsoft Gaming 0 TaDa Gaming 0 Pragmatic Play 4 Playtech 0 Novomatic 0 Apricot (Microgaming) 0 IGT 1 ELK Studios 5 Big Time Gaming 0 Scientific Games 0 Yggdrasil Gaming 1 Tom Horn 1 Quickspin 0 Evoplay 0 Push Gaming 0 Eyecon 0 Evolution Gaming 0 Saucify 0 SA Gaming 0 BGaming 1 GameArt 0 Play'n GO 4 Red Tiger Gaming 1 Endorphina 1 Bally's Corporation 0 Barcrest 0 WMS 0 Blueprint Gaming 1 Wazdan 0 PariPlay 0 Habanero 1 Lightning Box 0 Playson 0 Nextgen Gaming 0 iSoftBet 0 Merkur Gaming 1 Nektan 0 Amatic 0 Red Rake Gaming 0 Thunderkick 0 Leander Games 0 Spinomenal 1 Rabcat 0 Ezugi 0 Igrosoft 0 1X2 Gaming 0 Booming Games 0 2By2 Gaming 0 Iron Dog Studio 1 WGS Technology (Wager Gaming) 0 Realistic Games 1 High 5 Games 1 Genesis Gaming 0 Ash Gaming (Playtech) 0 NeoGames 0 Belatra Games 0 Booongo (BNG) 0 MrSlotty 0 Relax Gaming 2 Dream Play 0 Edict 0 MultiSlot 0 TOPTrend Gaming 0 Greentube 0 Genii 0 Arrow's Edge 0 Ainsworth Game Technology 0 Gaming1 0
Game Theme
5-Reels, 6-Reels, Sweets, Mythology, Ocean and sea, Western
10-Reels +5 3-Reels +1,572 4-Reels +251 5-Reels +15,277 6-Reels +2,178 7-Reels +213 8-Reels +49 Adventure +334 Aliens +92 American +293 Animals +1,880 Anime +52 Arabian +157 Arcade +83 Asian +1,500 Astrology +69 Aztecs +278 Cards +172 Cars +108 Christmas +474 Classics and retro +322 Comics +91 Crime +347 Earth Day +16 Easter +80 Egypt +937 Fairy tales +189 Fantasy +131 Farm and Garden +113 Fireworks +33 Fishing +272 Food +381 Fortune +570 Fruits +2,684 Gangsters +103 Gates of Olympus +8 Gems and diamonds +495 Gods +392 Halloween +151 History +220 Holiday +330 Horror and scary +486 Irish +406 Japan +439 Jungle +239 Knights and Dragons +69 Love and romance +107 Magic +368 Medieval +233 Megaways +399 Mexico +160 Military +136 Mining +178 Money and wealth +561 Movies and tv +158 Music +274 Mythology +840 Nature +831 Ninja +62 Ocean and sea +550 Pachinko +2 Pirates +307 Qatar World Cup 2022 +12 Relax +394 Samurai +50 Sci-fiSpace and galaxy +179 Sport +327 Summer +137 Super heroes +38 Sweets +330 Technology +151 Vampires +16 Vikings +162 Western +335 Winter +366 Winter Olympics +5
Game Features
Filter by available features
Double-up option 8 Configurable lines 0 Jackpot games 16 Bonus Buy 2
Other
Other filters
Featured games 4 Reviewed games 9 Released last month 0
Payout System
Winlines, any way wins, pay anywhere, etc.
Classic winlines 41 Cluster pays 7 Pay anywhere 6 Any ways wins 21 Other 0
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 (79)
Sci-fi-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

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