Free games like X-COM: UFO Defense
Below are 8 free-to-play Steam games similar to X-COM: UFO Defense, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like X-COM: UFO Defense page.
Ranked picks
- 1
Girls' Frontline
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
As a Commander for Griffin & Kryuger PMC. Navigate faction power struggles, deploy forces strategically, and work to restore order in a war-torn world.
- 2
Battle for Wesnoth
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.
- 3
Phobies
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
Phobies is a tactical card collecting strategy game where players battle one another in the surreal realm of the subconscious, where fears manifest. Use devious tactics and unleash a dazzling array of attacks and abilities to achieve victory!
- 4
Tactical Monsters Rumble Arena
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window.
Are you ready to RUMMMBLE?
- 5
Card Hunter
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
Shuffle your cards and ready your dice - Card Hunter is a fresh new card gaming spin on classic tabletop RPGs. Battle your way through a massive campaign solo or with friends and compete with other players in ranked play and tournaments.
- 6
Sunrider: Mask of Arcadius
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
As Captain Kayto Shields, embark on a galactic voyage of heroism and survival. With his home world destroyed and his nation conquered, the inexperienced Captain Shields, and his newly minted vessel, the Sunrider, are left as the only hope against a galactic evil intent on subjugating all sentient life.
- 7
Chess Evolved Online
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
secretly the most overpowered game in existence
- 8
SOVL: Fantasy Warfare
Free-to-play alternative to X-COM: UFO Defense — no purchase or trial window. Shares Strategy with X-COM: UFO Defense.
SOVL is a ruleset for playing fantasy wargames. It can be played with miniatures on a table or digitally on Steam.