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X-COM: UFO Defense
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Defend the Earth from extraterrestrials so our governments can keep us enslaved and fighting amongst ourselves. WW3 ain't gonna start itself.”
— a player, Steam review · 0 hrs played“X-Com doesn't need any introduction, but you should install Open X-Com before attempting to play. Everything is confusing in this game and Open X-Com brings many QoL updates to UI. The simplest example would be: you build radars to detect UFOs, but there is nothing in the UI…”
— a player, Steam review · 55 hrs played“OpenXcom with mods is one of the hidden gems only truly enlightened gamers know about.”
— a player, Steam review · 421 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 11:40 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Strategy |
| Player tags | Strategy · Classic · Turn-Based Strategy · Sci-fi · Aliens · Turn-Based · Tactical · Singleplayer · Turn-Based Tactics · Difficult · Isometric · Old School (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | English |
| Estimated owners | 1,000,000 – 2,000,000 (SteamSpy) |
Minimum system requirements (PC)
Supported OS: Microsoft® 2000/XP/Vista® Processor: 80386 processor or better Memory: 4Mb RAM Sound Cards Supported: AdLib compatible cards, SoundBlaster compatible cards and the Roland LAPC-1.