UFO2: Extraterrestrials
Released Jun 2021
Are strategy games with strong RPG elements your cup of tea? Did you enjoy games like Xcom: UFO Defence, the Fallout series, the Civilization series, the Heroes of Might and magic? And now you are looking for something new to satisfy your craving for turn-based fun?
58% positive · 157 reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Steam $34.99
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Evaluation
UFO2: Extraterrestrials - Battle for Mercury launched on June 15, 2021. Following launch, the developer posted bug fix and feature patch updates through June 27, 2022 — the most recent communication on record. That final update added a new weapon type for planes and integrated community mods alongside bug fixes. Since June 27, 2022, there have been no further posts, announcements, roadmaps, or hints of upcoming content from Chaos Concept. No DLC has been listed on the store. The game launched as a complete, self-contained product, and the post-launch activity consisted entirely of maintenance and polish work rather than an ongoing content expansion cycle. With no unreleased content on the store, no developer commitments to future updates, and no communication in over four years (since June 27, 2022), the game appears to have reached its finished state.
Evidence
Summer 2022 update added a new plane weapon type and integrated community mods. This is the last recorded developer communication.
Game launched on Steam. Developer thanked fans who had waited and noted 'the battle has just begun,' but this appears to be a launch expression rather than a specific content commitment.
Media
Details
Developer
Publisher
Chaos Concept
Achievements
28
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player
About this game
UFO2Extraterrestrials: Battle for Mercury
A fully 3D game combining real-time global strategy & air combat with turn-based tactical missions
A turn-based “I-Go-You-Go“ tactical squad-based game system
Interactive environments with destructible terrain
A large number of technologies, weapons, and combat units to develop
A large number of aliens to interrogate
Strong RPG elements where soldiers’ stats improve with experience
Dynamic lighting for intense fire-fights
Final Gameplay design and balance tweaks by the author of the popular original UFO: ET Bman Ease of Use Mod
A fully 3D game combining real-time global strategy & air combat with turn-based tactical missions
A turn-based “I-Go-You-Go“ tactical squad-based game system
Interactive environments with destructible terrain
A large number of technologies, weapons, and combat units to develop
A large number of aliens to interrogate
Strong RPG elements where soldiers’ stats improve with experience
Dynamic lighting for intense fire-fights
Final Gameplay design and balance tweaks by the author of the popular original UFO: ET Bman Ease of Use Mod
Are these done yet?
Last evaluated Jun 26, 2026
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