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List of the top Sci-fi games:

The top results based on the latest update are Universal Combat CE [Score: 2.3], JETBOY [Score: 2.2] and X Rebirth [Score: 1.9]. The top rated games you can find here are XCOM: Enemy Unknown [SteamPeek Rating: 9.9] ranked #10, Mass Effect (2007) [SteamPeek Rating: 9.0] ranked #6 and Mass Effect 2 (2010) [SteamPeek Rating: 8.9] ranked #15. Also don't forget to check the newest releases UFO vs Bikini [Release date: 2021-08-23] ranked #36, JETBOY [Release date: 2021-05-02] ranked #2 and Drone Swarm [Release date: 2020-10-20] ranked #24. While it is tempting to play with the newest and the best, there might be some other gems in the results, like Interstellar Space: Genesis [SteamPeek Rating: 5.2] ranked #12, Analogue: A Hate Story [SteamPeek Rating: 7.0] ranked #13 and Halo: Spartan Strike [SteamPeek Rating: 5.7] ranked #14.

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Interstellar Space: Genesis
5.2 427 90
25 Jul, 2019

Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!

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Halo: Spartan Strike
5.7 933 215
16 Apr, 2015

Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*

Waking Mars
5.7 545 67
13 Dec, 2012

In 2097, life is discovered on Mars. When your mission of first contact becomes trapped by a cave-in, you must master the alien ecosystem to survive. Soon you stumble upon more than anyone expected, and with time running out, you will make a decision that determines the fate of a lost planet.

The Fall
6.9 2341 318
30 May, 2014

Take the role of ARID, the artificial intelligence within a high-tech combat suit. The Fall is a unique combination of adventure-game puzzle solving and side-scroller action, all set within a dark and atmospheric story. Get ready for a disturbing journey as you explore the world of The Fall.

Drone Swarm
3.4 126 68
20 Oct, 2020

Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

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Hate Plus
5.2 397 72
19 Aug, 2013

Let's spend the next three real-time days together uncovering the mystery of what went horribly wrong on a derelict generation ship, with the help of a spunky/more-than-slightly-traumatized AI sidekick! A sequel to Analogue: A Hate Story that tells a whole new hate story of its own.

Ancient Space
2.3 101 143
23 Sep, 2014

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

ECHO
5.8 1020 245
19 Sep, 2017

After a century in stasis the girl En arrives at her destination: A Palace out of legend. Out here, using forgotten technologies, she hopes to bring back a life that shouldn’t have been lost. But nothing could prepare her for what she’ll face in the ancient halls below.

Headlander
5.7 495 52
25 Jul, 2016

Launch into the ultimate head trip as you blast through psychotic robots in a retro 70's sci-fi action adventure from Double Fine Productions. It is a world of automation, a utopia gone wrong in which all of humanity have transferred their minds into robotic imposter bodies and are ruled by a computer.

UFO vs Bikini
2.3 11 1
23 Aug, 2021

Act as an alien driving a UFO and collect materials to upgrade the spacecraft. Kidnap bikini girls, extract purple energy, and study the function of purple energy. Avoid human attacks, strengthen the defense of spacecraft and alien technology.

3281 games found
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