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Sci-Fi Themed Slots — Free Demos

Browse 169 free Sci-Fi themed slot demos. Instant play in your browser with full RTP, volatility, and bonus feature details.

169

Slots

95.7%

Avg RTP

80,000x

Max Win

Most games from NetEnt (9 slots)

Showing 1–96 of 169

Sushicade slotGamatron

Sushicade

98.41% RTP
Low
Max Win~500xest.
Free SpinsMultipliersCascading Reels
Madame Mystique Megaways slotPragmatic Play

Madame Mystique Megaways

98% RTP
Med
Max Win100x
Free SpinsMegaways
Neon Strike slotCapecod Gaming

Neon Strike

98% RTP
Med
Max Win~2,500xest.
Free SpinsJackpotBonus Round
Alien Hunter slotPlaytechNo Demo

Alien Hunter

97.69% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Cyber Heist slotPragmatic Play

Cyber Heist

97.34% RTP
High
Max Win500x
Free SpinsMultipliersCascading Reels
Neon Roulette slotFUGASO

Neon Roulette

97.3% RTP
Med
Max Win~1,000xest.
Alien Fruits 2 slotBGAMING

Alien Fruits 2

97.17% RTP
Med
Max Win~2,000xest.
Free SpinsBonus Buy
Pockets of Riches slotGamatron

Pockets of Riches

97.16% RTP
Med-Hi
Max Win~3,000xest.
Sticky WildsWilds
Alien Robots slotNetEntNo Demo

Alien Robots

97% RTP
Low
Max Win~500xest.
Free SpinsExpanding WildsSticky Wilds+2
Cyberpunk slotUrgent Games

Cyberpunk

97% RTP
High
Max Win~5,000xest.
Free Spins
Future Fruits slotPixmove Games

Future Fruits

97% RTP
High
Max Win15,000x
Invasion slotRTGNo Demo

Invasion

97% RTP
Med
Max Win~1,000xest.
Space War slotFunta Gaming

Space War

97% RTP
High
Max Win~5,000xest.
UPlinko Fashion TV slotGaming Corps

UPlinko Fashion TV

97% RTP
Med
Max Win~1,000xest.
Neon Staxx slotNetEnt

Neon Staxx

96.9% RTP
Med-Hi
Max Win~3,000xest.
Free SpinsStacked WildsWilds+1
Fun of the Fair slotGamesysNo Demo

Fun of the Fair

96.71% RTP
Med
Max Win250x
Bonus RoundWildsScatters
Elephant War slotMerkurNo Demo

Elephant War

96.64% RTP
Med
Max Win100x
Fail Alien slotMerkur

Fail Alien

96.64% RTP
Med
Max Win~1,000xest.
Free Spins
Fallen Alien slotMerkur

Fallen Alien

96.64% RTP
Med
Max Win2,000x
Free SpinsBonus Round
Aliens & Mushrooms slotNemesis Game Studio

Aliens & Mushrooms

96.6% RTP
Low
Max Win~500xest.
Magic Portals slotNetEntNo Demo

Magic Portals

96.6% RTP
Med
Max Win~2,000xest.
Free SpinsExpanding WildsWilds+1
Secret of Troy Jackpot Wars slotSG Digital

Secret of Troy Jackpot Wars

96.6% RTP
Med
Max Win56x
Free SpinsSticky WildsWilds
Machina Megaways slotKalamba Games

Machina Megaways

96.56% RTP
High
Max Win26,000x
Free SpinsBonus Round
Thunderspin Jackpots slotNextGen Gaming

Thunderspin Jackpots

96.56% RTP
Low
Max Win250x
Jackpot
Big Bot Crew slotQuickSpin

Big Bot Crew

96.51% RTP
Med
Max Win5,000x
Free SpinsBonus Round
Monopoly Electric Wins slotWMS

Monopoly Electric Wins

96.51% RTP
Low
Max Win1,000x
Free SpinsBonus Round
7 Elements slot4ThePlayer

7 Elements

96.5% RTP
High
Max Win25,000x
Free Spins
Alien Invaders slotPragmatic Play

Alien Invaders

96.5% RTP
High
Max Win5,000x
Free SpinsBonus BuyScatters+3
Cosmic Jewels slotHigh 5 Games

Cosmic Jewels

96.5% RTP
Med
Max Win25x
Free Spins
Cyber Egypt slotJust Slots

Cyber Egypt

96.5% RTP
Med
Max Win5,000x
Free SpinsBonus BuyWilds+1
Multiplier Odyssey slotRelax Gaming

Multiplier Odyssey

96.5% RTP
High
Max Win50,000x
Multipliers
Vegas Kingmaker 100 slotGameArt

Vegas Kingmaker 100

96.5% RTP
High
Max Win5,000x
WildsScattersGamble Feature
Wild Worlds slotNetEnt

Wild Worlds

96.47% RTP
High
Max Win~5,000xest.
Free SpinsBonus Round
The Neon Samurai Kawa slotArcadem

The Neon Samurai Kawa

96.46% RTP
High
Max Win~5,000xest.
Free SpinsSticky WildsWilds
Zodiac Wheel slotEGT

Zodiac Wheel

96.45% RTP
Med
Max Win~2,500xest.
Free SpinsJackpotBonus Round
Sweet Robots slotBooming GamesNo Demo

Sweet Robots

96.4% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Cyberslot Megaclusters slotBig Time Gaming

Cyberslot Megaclusters

96.36% RTP
High
Max Win~5,000xest.
Free SpinsWilds
DJ Cat slotPush Gaming

DJ Cat

96.32% RTP
High
Max Win20,480x
Free Spins
Invaders Megaways slotWMS

Invaders Megaways

96.3% RTP
High
Max Win~5,000xest.
Free SpinsBonus Round
Lady Fortuna slotOneTouch

Lady Fortuna

96.3% RTP
Med
Max Win1,000x
Free Spins
Neon Rush slotYggdrasil Gaming

Neon Rush

96.3% RTP
High
Max Win~10,000xest.
Free SpinsJackpotBonus Round
El Chili Caliente slotTriple Cherry

El Chili Caliente

96.29% RTP
High
Max Win~5,000xest.
Free Spins
Land of Zenith slotPush Gaming

Land of Zenith

96.29% RTP
High
Max Win21,000x
Free Spins
Quick Cash Fruits slotNetGameNo Demo

Quick Cash Fruits

96.29% RTP
Med
Max Win~1,000xest.
Warp Wreckers Power Glyph slotQuickSpinNo Demo

Warp Wreckers Power Glyph

96.29% RTP
High
Max Win4,707x
Free SpinsCascading Reels
Crystal Robot slotBackseat Gaming

Crystal Robot

96.28% RTP
High
Max Win~7,500xest.
Free SpinsBonus Buy
Roboslots slot1x2 GamingNo Demo

Roboslots

96.25% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Night Lights slotEnrich Gaming

Night Lights

96.23% RTP
Med
Max Win1,000x
Free Spins
Gargantoonz slotPlay'n Go

Gargantoonz

96.2% RTP
High
Max Win7,000x
Free SpinsWilds
Invading Vegas: Las Christmas slotPlay'n Go

Invading Vegas: Las Christmas

96.2% RTP
Med
Max Win~1,000xest.
Free Spins
Agent 51 slotKalamba Games

Agent 51

96.17% RTP
High
Max Win5,500x
Little Green Men Nova Wilds slotIGT

Little Green Men Nova Wilds

96.17% RTP
Med-Hi
Max Win12,000x
Free SpinsWilds
Zap Attack slotThunderkick

Zap Attack

96.17% RTP
High
Max Win~5,000xest.
Free Spins
Electric Diva slotMicrogamingNo Demo

Electric Diva

96.15% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Space Wars Megaways™ XXXtreme slotNetEnt

Space Wars Megaways™ XXXtreme

96.14% RTP
High
Max Win~7,500xest.
Free SpinsBonus Buy
Cyber Vault slotFour Leaf Gaming

Cyber Vault

96.13% RTP
Med
Max Win22,760x
Free Spins
Crystal Ball slotBally Wulff

Crystal Ball

96.12% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Crystal Ball Double Rush slotBally Wulff

Crystal Ball Double Rush

96.12% RTP
High
Max Win~5,000xest.
Free SpinsWilds
Jellyens X slotPopiplay

Jellyens X

96.11% RTP
High
Max Win10,200x
Free SpinsBonus BuyScatters+3
Visitors slotElk Studios

Visitors

96.1% RTP
Med-Hi
Max Win10,000x
Free SpinsBonus Round
Anime Mecha Megaways slotPragmatic Play

Anime Mecha Megaways

96.09% RTP
High
Max Win40,000x
Free SpinsMegaways
Build the Bank slotCrazy Tooth Studio

Build the Bank

96.09% RTP
Med
Max Win4,000x
Neon Capital slotEvoplay Entertainment

Neon Capital

96.09% RTP
Med
Max Win~1,000xest.
Free Spins
Space Donkey slotNolimit City

Space Donkey

96.07% RTP
High
Max Win14,649x
Free Spins
Astronomical Magic slotKonami

Astronomical Magic

96.05% RTP
Med
Max Win~1,000xest.
Free Spins
Cyber Wolf Dice slotEndorphina

Cyber Wolf Dice

96.05% RTP
Med
Max Win~1,000xest.
Free Spins
Hot 4 Cash slotNolimit City

Hot 4 Cash

96.05% RTP
Med-Hi
Max Win~3,000xest.
Free SpinsSticky WildsWilds+1
Space Wars 2 Powerpoints slotNetEnt

Space Wars 2 Powerpoints

96.05% RTP
High
Max Win250x
Free Spins
Shogun of Time slotJust for the Win

Shogun of Time

96.02% RTP
Med
Max Win2,717x
Free SpinsBonus Round
Brute Force Alien Onslaught slotNolimit City

Brute Force Alien Onslaught

96.01% RTP
Med
Max Win80,000x
Bonus BuyWildsScatters+1
Light Racers slotThe Games CompanyNo Demo

Light Racers

96.01% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Monster Meltdown slotEndemol Games

Monster Meltdown

96.01% RTP
Low
Max Win~500xest.
Respins
Wild-O-Tron 3000 slotNetEnt

Wild-O-Tron 3000

96.01% RTP
Med
Max Win500x
Bonus RoundWilds
5 Monsters slotMax Win Gaming

5 Monsters

96% RTP
High
Max Win55,555x
Free Spins
9 Planet Shockers slotBoldplay

9 Planet Shockers

96% RTP
Med
Max Win~1,000xest.
Free Spins
Alien Tour slotKA Gaming

Alien Tour

96% RTP
High
Max Win~5,000xest.
Free Spins
Aliens slotNetEntNo Demo

Aliens

96% RTP
Med
Max Win~1,000xest.
Bonus Round
Ally Aliens slotBeGamesNo Demo

Ally Aliens

96% RTP
Med
Max Win200x
Free Spins
Amigo Multifruits slotAmigo Gaming

Amigo Multifruits

96% RTP
High
Max Win~5,000xest.
Free Spins
Area 51 Lock 2 Spin slotKA Gaming

Area 51 Lock 2 Spin

96% RTP
Med
Max Win~1,000xest.
Free SpinsWildsScatters
Asgardian Fire slotNeon Valley Studios

Asgardian Fire

96% RTP
Med
Max Win~1,000xest.
Free Spins
Blue Invaders slotPoggiPlay

Blue Invaders

96% RTP
Med
Max Win~1,000xest.
Free Spins
Cluster Slide slotElk Studios

Cluster Slide

96% RTP
Med-Hi
Max Win10,000x
Expanding WildsWildsBonus Round
Cyber Cash slotAinsworth

Cyber Cash

96% RTP
Med
Max Win150x
Cyber Heist 1000 slotPragmatic Play

Cyber Heist 1000

96% RTP
High
Max Win10,000x
Free SpinsBonus Buy
Cyberpunk City slotQora Games

Cyberpunk City

96% RTP
High
Max Win40,000x
Free SpinsExpanding WildsWilds+1
Cyberpunk Wars slotWoohoo Games

Cyberpunk Wars

96% RTP
Med
Max Win40,000x
E.T. Lost Socks slotEvoplay EntertainmentNo Demo

E.T. Lost Socks

96% RTP
Med
Max Win~2,000xest.
Free SpinsExpanding WildsWilds
Fu Dao Le slotBally

Fu Dao Le

96% RTP
Med
Max Win~3,000xest.
Free SpinsExpanding WildsStacked Wilds+3
Giganimals Gigablox slotYggdrasil GamingNo Demo

Giganimals Gigablox

96% RTP
High
Max Win~5,000xest.
Free SpinsGigablox
Hen Heist: Hold & Win slotiSoftBet

Hen Heist: Hold & Win

96% RTP
High
Max Win~5,000xest.
Free SpinsHold & Win
Machina Reloaded Megaways slotKalamba GamesNo Demo

Machina Reloaded Megaways

96% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Neon Burst slotMobileFX

Neon Burst

96% RTP
Med
Max Win200x
Free Spins
Neon Villains Doublemax slotYggdrasil Gaming

Neon Villains Doublemax

96% RTP
High
Max Win~5,000xest.
Free Spins
Neon Wildfire slotRogue

Neon Wildfire

96% RTP
Med
Max Win~1,000xest.
Wilds
Planet of the Roos slotRTG

Planet of the Roos

96% RTP
Med
Max Win75,000x
Free SpinsJackpot

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