S.P.E.C.T.O.R 01 is a 2025 sci-fi free-to-play third-person shooter for Windows that tasks the player with a solo rescue mission against alien forces, which have taken control of certain regions around Earth and captured one of the protagonist’s fellow soldiers.
Dead Space’s spiritual successor, The Callisto Protocol, is currently free for Windows, 100% free to keep, in a time-limited giveaway offer! Go get it! The Callisto Protocol can normally cost US$59.99!
Exolon – The Continuing Adventures is a platformer where a science-fiction soldier navigates a large set of fixed screens filled with alien enemies, environmental hazards, and deadly traps. It’s a free Windows sequel to Exolon (1987).
The cosmos-crafting adventure Universe For Sale is currently free, for Windows — 100% free to keep — in a limited-time giveaway! Get it while you can, as Universe for Sale normally costs US$ 14.99.
Portal of Doom: Undead Rising is a free sci-fi horror first-person shooter described as Alien: Isolation with weapons. It’s set inside a space station overrun by alien creatures, mutations, and experiments gone terribly wrong.
The kaiju strategy game Godzilla Voxel Wars is currently free for Windows and Mac — 100% free to keep — for a limited time during a giveaway offer! Don’t miss it, as Godzilla Voxel Wars normally costs US$14.99!
The surreal and alien point-and-click adventure Samorost 3 is currently free, for Windows, 100% free to keep, in a limited-time giveaway offer! Don’t miss out, as Samorost 3 normally sells for $19.99.
Outlive 25 Demo offers a free standalone campaign that serves as a prologue to the full Outlive 25 — a remastered recreation of the early-2000s Brazilian real-time strategy classic that always left fans wanting more.