Best Free Sci-Fi Games for PC and Browser in 2025! 73 Free-to-play Sci-Fi games found in our list! Please note we are also including some Multiplayer Online Games with MMO elements.

Best Free Sci-Fi Games for PC in 2025! 66 Free-to-play Sci-Fi games found in our list! Please note we are also including some Multiplayer Online Games with MMO elements.

2022年8月20日 · These free-to-play sci-fi games are set in exciting worlds and let their players fight against mysterious creatures, explore space stations, and even collect a wide variety of alien...

2024年12月5日 · Here are some of the top free sci-fi games you need to check out soon--space operas, creepy adventures, dystopian cityscapes, and more are waiting!

5 天之前 · Free Sci-fi Games on Steam. Steam currently has 11,308 Sci-fi games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time.

Find games tagged Sci-fi like "Voices Of The Void" Pre-Alpha, Punk Runner [Early Access], Andromeda Six, Hello Charlotte EP1: Junk Food, Gods and Teddy Bears, Vincent: The Secret of Myers on itch.io, the indie game hosting marketplace.

Discover and play now over 1555 of the best Science Fiction games on Kongregate such as “Raze”, “Creeper World 3: Abraxis”, and “Creeper World: User Space”, and many more!

8 Free-to-play browser Sci-Fi games found in our list! You can find the best and newest browser Sci-Fi games by using the filters. Take part in huge intergalactic battles and take on the whole galaxy in DarkOrbit, the free-to-play browser-based space combat MMO from Bigpoint -- now in …