If you enjoy outer space thrillers and sci-fi games, some of the best online slots have space themes. With cool graphics and fun cash prizes, we will explore otherworldly games you can play for real money.
Houston, we have liftoff
Designed by NYX Gaming Group, Starmania has a 97.87% high return in a 5x3 reel game and ten pay lines. While it might not produce any mega wins (under 50x your bet), players like it because the free spins are easy to get.
With celestial-themed music, free spins, and stacked wilds, the gravitational pull will likely lead to big wins.
Starburst includes ten pay lines and 5x3 reels. The NetEnt, star-themed game has max bet features and a Starburst wild logo.
Trigger the Starburst Wilds Feature and look for a respin. Land another wild and get three respins. With a 96.09% RTP, take a spin.
Ground Control to Major Tom
Help these adorable aliens on a celestial adventure with this fun game from NetEnt. The RTP is 96.8% in a 40-line, 5-reel setup.
With stacked symbols, wilds, and cool special effects, look for cloning pod respins that can clone any symbol. Add enough of these and get a respin (hopefully to a 1,000x jackpot).
While there are no free spins, the respin feature makes up for it.
Boasting a 96.78% RTP, the Microgaming slot includes a 5x3 reel game with 243 pay lines. A big hit with science fiction fans, look for spaceships, shooting stars, aliens, and sparkly jewels.
The Milky Way is a Galactic Wild symbol on reels 2-4, while the sun is a scatter symbol worth 100x your bet. Get five total and head to the Big Bang Feature. The other feature is the free spins game.
While players mentioned the Wild and Scatter symbols are not labeled, payouts are decent at 39x-40x. Hunt for that elusive galactic bonus round (up to 3,000x your bet). Far out!
Fly Me to the Moon
The brightly colored Konami game Star Watch is a 5x3 with intergalactic reels. Watch for mystery symbols, free games, and wilds as volcanoes erupt. With 25 fixed pay lines, look for 9 through Ace, fireflies, leopards, and flowers.
A rare fire goddess pays 1,000x your bet, but a 94.10% RTP will not align with some stars. However, cash prizes make up for it. Look for 50 to 1,500 credits and jackpots that include mini, major, mega, and maxi bonuses.
Take flight with 3-5 comets, which can help you land 8, 12, or 20 free games. If you touchdown on five scatters expect a 500x multiplier.
Money from Mars
The Ainsworth game has a 50s-type theme. Symbols include aliens and robots with 9 through Ace. Higher value symbols are the scanner, ray gun, and robot. The aliens have the highest values.
Blast off with a feature called Activate the Money Bags, for three jackpot prizes. Score 15 bags with the respin and the top prize is 100,000 credits. Scatters include wild gold coins, meteors, and pink UFOs. Meteors provide free spins with multipliers ranging from 2-5x.
It has medium volatility with a 94.66% RTP, five reels, three rows, and 50 pay lines.
The Final Countdown
Reminiscent of an 80s rock band with the same name, The Final Countdown game includes a city backdrop, fun music, and brightly colored gemstones. On a 6x4 board, there are 4,096 ways to win with prizes of 36,000x your bet.
With male and female astronauts, look for the Reel Clone bonus that duplicates 2-4 reels between reels 2-5. Other features include free spins in the Final Countdown feature and 15 in the Heading for Venus feature.
Look for autoplay features, multipliers, scatters, wilds, and bonus games from Big Time Gaming. The RTP rate is 96.65%.
How to Find Trusted Online Sites
Only visit reputable casinos to ensure you can confidently play on their site, have an exciting time, and cash out when you want.
Key features they should have to include:
- Licensing details on their home page or About Us page.
- Bank-grade SSL encryption with HTTPS and not HTTP in the IP address bar.
- No complaints about slow payouts or poor customer service.
- Your preferred payment method and minimal to no fees or delays.
- If you need help with how to gamble online for real money, check with customer support or start in demo mode to practice with play money first.
What are other outer space slot games?
Popular games include Invaders from Planet Moolah, Outerspace Invaders, and Starmania.
Which space slots have the highest RTPs?
Check out Starmania (97.86%), Supernova (97.05%), Battlestar Galactica (97%), Stardust (97%) and Cosmic Fortune (96.9%), and Cosmic Eclipse (96.8%).
What is the scariest outer space slot?
Some online casinos still carry Alien, James Cameron’s 1986 sci-fi movie.
With exciting sci-fi-themed slots online, try them all. Check the casino’s promotion department and sign up for their casino cash match offers. That lets you double your deposit - for an even greater adventure - over and out!