Best PC Science Fiction Games

Relive classic Ren & Stimpy episodes in a wacky platform adventure.

A fast‑paced 2D fighter that blends fantasy and sci‑fi with unique Drive attacks

Ride your skybike, slash skeletons, and restore the Lightstar Crystal.

Battle alien mummies in ancient Egypt in this retro FPS adventure.

Battle as Autobots to collect Energon cubes and thwart Decepticons.

Explode into action and disable a reactivated automated fortress

Tactical 8‑player co‑op on a storm‑ravaged Mars

Transform into beasts and battle the Predacons in a fast‑paced shooter

Stealthy heist action as a female thief in a citywide conspiracy.

A cancelled space combat simulator set in the Babylon 5 universe

Turn classic chess into a cartoon showdown with Dexter and friends!

Defend Earth from Decepticon hordes in this 1986 retro shooter‑strategy hybrid

Battle through time to stop Nazi tech and save the future

High‑octane sci‑fi shooter set in a war‑torn megacity of the future

Epic space adventure with open‑world combat and trading

Battle the dying Cybertron in an epic shooter adventure.

Pilot a giant mech to battle alien forces and save humanity.

Classic 80s action platformer starring the ThunderCats heroes

Shape creatures, explore an island, and decide the fate of a shattered world

Classic arcade shooter with interchangeable weapons and micro‑transaction upgrades

Explore the apathy‑laden streets of Neutropolis in a retro sci‑fi point‑and‑click adventure.

Defend MegaKat City in fast‑paced arcade action!

Pilot XP238 battles alien tech in a covert Russian war

A classic sci‑fi shooter where you battle alien forces to prevent the galaxy’s Awakening.