Choose X-COM: Terror From the Deep
Choose X-COM: Terror From the Deep if it's currently about 38% cheaper on the Steam Store. X-COM: Terror From the Deep launched in 2007.
X-COM: Terror From the Deep vs Underwater Wars
X-COM: Terror From the Deep and Underwater Wars 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 14 years older than Underwater Wars (2021). X-COM: Terror From the Deep is currently ~38% cheaper on Steam than Underwater Wars (4.99 USD vs. 7.99 USD). 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 Underwater Wars
Choose Underwater Wars if you want an Indie and Early Access experience. On Steam, it's the newer release (2021) and ships with the modern feature baseline. Underwater Wars launched in 2021.
Both X-COM: Terror From the Deep and Underwater Wars 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 |  Underwater Wars | |
|---|---|---|
| Released | 2007 | 2021 |
| Genres | Strategy | Strategy, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 4.99 USD | 7.99 USD |
| Steam reviews | 92% positive (501 reviews) | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | MicroProse Software, Inc | Dynamic Lab Studio |
Side by side
- Both are Strategy games on Steam.
- X-COM: Terror From the Deep (2007) is 14 years older than Underwater Wars (2021).
- X-COM: Terror From the Deep is currently ~38% cheaper on Steam than Underwater Wars (4.99 USD vs. 7.99 USD).
- X-COM: Terror From the Deep is Deck Unsupported on Steam Deck; Underwater Wars has no Deck rating yet.
X-COM: Terror From the Deep vs Underwater Wars — FAQ
- Should I play X-COM: Terror From the Deep or Underwater Wars first?
- If you want chronology, X-COM: Terror From the Deep (2007) came out before Underwater Wars (2021). 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 Underwater Wars 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.