Choose X-COM: Terror From the Deep
Choose X-COM: Terror From the Deep if it matches what drew you to this matchup. X-COM: Terror From the Deep launched in 2007.
X-COM: Terror From the Deep vs X-COM: UFO Defense
X-COM: Terror From the Deep and X-COM: UFO Defense both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. X-COM: Terror From the Deep (2007) is 1 year older than X-COM: UFO Defense (2008). X-COM: UFO Defense scores higher on Steam reviews (97.1% positive) than X-COM: Terror From the Deep (92% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose X-COM: UFO Defense
Choose X-COM: UFO Defense if it carries the stronger Steam consensus at 97.1% positive across 2,446 reviews.
Both X-COM: Terror From the Deep and X-COM: UFO Defense sit in Strategy on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 X-COM: Terror From the Deep |  X-COM: UFO Defense | |
|---|---|---|
| Released | 2007 | 2008 |
| Genres | Strategy | Strategy |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Deck Unsupported |
| Price | 4.99 USD | 4.99 USD |
| Steam reviews | 92% positive (501 reviews) | 97.1% positive (2,446 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | MicroProse Software, Inc | MicroProse Software, Inc |
Side by side
- Both are Strategy games on Steam.
- X-COM: Terror From the Deep (2007) is 1 year older than X-COM: UFO Defense (2008).
- X-COM: UFO Defense scores higher on Steam reviews (97.1% positive) than X-COM: Terror From the Deep (92% positive).
- X-COM: UFO Defense is currently ~0% cheaper on Steam than X-COM: Terror From the Deep (4.99 USD vs. 4.99 USD).
- Both are Deck Unsupported.
X-COM: Terror From the Deep vs X-COM: UFO Defense — FAQ
- Which is better, X-COM: Terror From the Deep or X-COM: UFO Defense?
- On Steam reviews X-COM: UFO Defense scores higher (97.1% positive) than X-COM: Terror From the Deep (92% positive). Both have enough reviews to trust the signal, so for players using reviews alone, X-COM: UFO Defense is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play X-COM: Terror From the Deep or X-COM: UFO Defense first?
- If you want chronology, X-COM: Terror From the Deep (2007) came out before X-COM: UFO Defense (2008). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are X-COM: Terror From the Deep and X-COM: UFO Defense similar?
- They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.