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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 97–169 of 169

Pulsar slotRTG

Pulsar

96% RTP
Med
Max Win~2,000xest.
Cascading Reels
Red Lights slotTom Horn Gaming

Red Lights

96% RTP
Med
Max Win50x
Free SpinsExpanding WildsSticky Wilds+2
Retro Electronic slotKA Gaming

Retro Electronic

96% RTP
Med-Hi
Max Win~3,000xest.
Free Spins
Space Attacks Dream Drop slotRelax Gaming

Space Attacks Dream Drop

96% RTP
Med-Hi
Max Win~3,000xest.
Free SpinsBonus Buy
Spin-Vention slotHigh 5 Games

Spin-Vention

96% RTP
High
Max Win10,174x
Free Spins
Starlite Fruits slotNeon Valley Studios

Starlite Fruits

96% RTP
Med-Hi
Max Win~5,000xest.
Jackpot
The Rise of AI slotEndorphina

The Rise of AI

96% RTP
High
Max Win25,000x
Free SpinsBonus Round
Vegas Diamonds slotElk Studios

Vegas Diamonds

96% RTP
High
Max Win3,000x
Bonus Wheel
Cash Up slotLeander Games

Cash Up

95.99% RTP
Med
Max Win1,000x
Free SpinsBonus Round
Drone Wars slotGenesis GamingNo Demo

Drone Wars

95.99% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Gallo Gold Bruno's Megaways slotNeon Valley Studios

Gallo Gold Bruno's Megaways

95.98% RTP
High
Max Win18,164x
Free SpinsJackpot
Max Damage slotMicrogamingNo Demo

Max Damage

95.98% RTP
Med
Max Win~1,000xest.
Bonus Round
Vault Squad slotIGT

Vault Squad

95.98% RTP
High
Max Win10,000x
Free SpinsBonus BuyExpanding Wilds+6
What on Earth slotMicrogamingNo Demo

What on Earth

95.98% RTP
Low
Max Win200x
Bonus Round
Harveys slotMicrogaming

Harveys

95.97% RTP
Low
Max Win~500xest.
Free SpinsBonus Round
Evil Emperor slotMerkurNo Demo

Evil Emperor

95.94% RTP
Med-Hi
Max Win~3,000xest.
Expanding WildsWilds
Queen of Mars slotMerkur

Queen of Mars

95.94% RTP
Med
Max Win200x
Free SpinsBonus Round
The Rise of Tzar Empire Awakens slotWild BoarsNo Demo

The Rise of Tzar Empire Awakens

95.92% RTP
Med-Hi
Max Win~3,000xest.
Free Spins
Hologram Wilds slotPlaytech

Hologram Wilds

95.9% RTP
Med-Hi
Max Win~3,000xest.
Free SpinsStacked WildsWilds+1
El Patron slotStakeLogic

El Patron

95.86% RTP
Med
Max Win~2,000xest.
Free SpinsExpanding WildsWilds
Cybergirls slotBarbara Bang

Cybergirls

95.85% RTP
High
Max Win6,906x
Neon Pyramid slotInspired Gaming

Neon Pyramid

95.85% RTP
Med
Max Win10,000x
Free SpinsBonus Round
Starscape slotMicrogamingNo Demo

Starscape

95.85% RTP
Med
Max Win~2,500xest.
Bonus RoundJackpot
Zaida's Fortune slotRed Tiger Gaming

Zaida's Fortune

95.74% RTP
High
Max Win~5,000xest.
Bonus RoundWildsMultipliers
Jin Ji Bao Xi Endless Treasure Jackpot Wars slotShuffle Master

Jin Ji Bao Xi Endless Treasure Jackpot Wars

95.73% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
What the Fox! Megaways slotRed Tiger Gaming

What the Fox! Megaways

95.71% RTP
High
Max Win~5,000xest.
Free SpinsBonus Round
Galacnica slotSpinmatic

Galacnica

95.7% RTP
Med
Max Win~2,000xest.
Free SpinsExpanding WildsWilds+1
Sizzling Neon Jackpot slotSpinmatic

Sizzling Neon Jackpot

95.7% RTP
Med-Hi
Max Win~5,000xest.
Free SpinsJackpot
Cyber Attack slotRed Tiger Gaming

Cyber Attack

95.68% RTP
High
Max Win10,584x
Free Spins
Doctor Winstein Buy Bonus slotCasino Technology

Doctor Winstein Buy Bonus

95.58% RTP
High
Max Win~7,500xest.
Free SpinsBonus BuyWilds+1
Cosmic Monstronauts slotMGA

Cosmic Monstronauts

95.57% RTP
Med
Max Win1,140x
Free SpinsJackpot
Monstronautas Cosmicos slotMGA

Monstronautas Cosmicos

95.57% RTP
Med
Max Win1,140x
Free SpinsBonus BuyJackpot
Cosmic Convoy slotHigh 5 Games

Cosmic Convoy

95.5% RTP
High
Max Win50,000x
Free SpinsBonus Round
Time Machine slotReflex Gaming

Time Machine

95.5% RTP
Med
Max Win9,068x
Free SpinsWildsBonus Round
Truckers vs Aliens slotIndigo Magic

Truckers vs Aliens

95.5% RTP
Med
Max Win5,600x
Bonus BuyWildsScatters+2
777 Caliente Megaways slotMGA

777 Caliente Megaways

95.47% RTP
Med-Hi
Max Win1,280x
Free SpinsMegaways
Halloween Planet slotMGA

Halloween Planet

95.43% RTP
Med
Max Win2,373x
Free SpinsMultipliersCascading Reels
Nuts & Bolts slotGamesysNo Demo

Nuts & Bolts

95.41% RTP
Med
Max Win~1,000xest.
Neon Stars slotGamewayNo Demo

Neon Stars

95.36% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Fireworks Fever slotGamatronNo Demo

Fireworks Fever

95.32% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Neon Blast slotNemesis Game Studio

Neon Blast

95.3% RTP
High
Max Win~5,000xest.
Free SpinsWildsBonus Wheel
Space Botz slotGenesis GamingNo Demo

Space Botz

95.24% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Buffalo Legend slotNazionale Elettronica

Buffalo Legend

95.23% RTP
Med
Max Win~3,000xest.
Free SpinsBonus BuyJackpot
Alien Fusion slotAllBetNo Demo

Alien Fusion

95.17% RTP
Med
Max Win~2,000xest.
Sticky WildsWildsMultipliers+1
It Came from the Moon slotRealistic GamesNo Demo

It Came from the Moon

95.12% RTP
Low
Max Win~500xest.
Alien Turtles vs. Humans slotTom Horn Gaming

Alien Turtles vs. Humans

95.04% RTP
Med
Max Win18,476x
Free SpinsBonus BuyWilds+5
Alien Wins slotRTG

Alien Wins

95% RTP
High
Max Win50,000x
Cyber Wildz slotNovomatic

Cyber Wildz

95% RTP
Med
Max Win~1,000xest.
Free SpinsWilds
Illogicool slotElk Studios

Illogicool

95% RTP
High
Max Win10,000x
Free SpinsWildsMultipliers
Roboland slotApollo Games

Roboland

95% RTP
Med
Max Win~2,500xest.
WildsJackpot
Smashing Sevens Win Ways slotNovomatic

Smashing Sevens Win Ways

95% RTP
Med-Hi
Max Win~3,000xest.
Free SpinsBonus Round
Star Trek: The Next Generation slotSkywindNo Demo

Star Trek: The Next Generation

95% RTP
Med
Max Win200x
Free SpinsStacked WildsWilds+1
Star Trek slotIGTNo Demo

Star Trek

94.99% RTP
Low
Max Win~500xest.
Free SpinsBonus Round
Mayan Moons slotNovomatic

Mayan Moons

94.98% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Two Mayans slotNovomaticNo Demo

Two Mayans

94.98% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Flip Flap slotSkillonNetNo Demo

Flip Flap

94.9% RTP
Med
Max Win~1,000xest.
Bonus Round
Transformers Battle for Cybertron slotIGTNo Demo

Transformers Battle for Cybertron

94.55% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Classic Neon slotNsoft

Classic Neon

94.45% RTP
Med
Max Win~2,500xest.
Free SpinsJackpot
Blox Blitz slotGamesysNo Demo

Blox Blitz

94.26% RTP
Med
Max Win~1,000xest.
Reactoonz 100 slotPlay'n Go

Reactoonz 100

94.2% RTP
High
Max Win10,000x
WildsMultipliersCluster Pays+1
Gypsy Luck slotCayetano Gaming

Gypsy Luck

94.13% RTP
Med
Max Win100x
Free SpinsBonus Round
Xterminate slotThunderkick

Xterminate

94.12% RTP
High
Max Win~7,500xest.
Free SpinsWildsMultipliers+1
Outta Space Adventure slotAmayaNo Demo

Outta Space Adventure

94% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
The War of the Worlds slotAsh GamingNo Demo

The War of the Worlds

93.54% RTP
Med
Max Win~1,000xest.
Fortune Teller slotNetEntNo Demo

Fortune Teller

93.3% RTP
Low
Max Win~500xest.
Free SpinsBonus Round
Code 243-0 slotSpinmatic

Code 243-0

92.3% RTP
Med
Max Win~1,000xest.
Free SpinsStacked WildsWilds+1
Mr. Roboto's Gacha Machine slotArcadem

Mr. Roboto's Gacha Machine

92.16% RTP
Med
Max Win~1,000xest.
Free Spins
Pyramid of the Sun slotAtronicNo Demo

Pyramid of the Sun

92.1% RTP
Low
Max Win~500xest.
Free SpinsBonus Round
Starlite Fruits Mega Moolah slotNeon Valley Studios

Starlite Fruits Mega Moolah

92.08% RTP
Med
Max Win~2,500xest.
Jackpot
777 Space slotSpinomenal

777 Space

92.03% RTP
High
Max Win1,500x
Free Spins
Astronaut slotRed Tiger Gaming

Astronaut

92% RTP
High
Max Win48,000x
Free SpinsJackpot
Fruit of Legend slotPlaybetterNo Demo

Fruit of Legend

90% RTP
Med
Max Win~1,000xest.
Free SpinsBonus Round
Jolanda de Rienzo Il Pianeta delle Gemme slotMGA

Jolanda de Rienzo Il Pianeta delle Gemme

80.02% RTP
Med-Hi
Max Win260x

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