IMHO.

X3: Terran Conflict vs X4: Foundations

X3: Terran Conflict and X4: Foundations both land in Action, Strategy, Simulation 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 share Action, Strategy, Simulation on Steam. X3: Terran Conflict (2008) is 10 years older than X4: Foundations (2018). X3: Terran Conflict scores higher on Steam reviews (83.7% positive) than X4: Foundations (78.6% 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 X3: Terran Conflict

Choose X3: Terran Conflict if it carries the stronger Steam consensus at 83.7% positive across 1,089 reviews.

Choose X4: Foundations

Choose X4: Foundations if you want the Adjustable Text Size, Color Alternatives, and Camera Comfort side of the pairing. On Steam, it's the newer release (2018) and ships with the modern feature baseline. 13,038 Steam reviews back the pick.

Both X3: Terran Conflict and X4: Foundations sit in Action, Strategy, and Simulation 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

X3: Terran Conflict vs X4: Foundations — Steam metadata comparison
X3: Terran Conflict — Steam game coverX3: Terran ConflictX4: Foundations — Steam game coverX4: Foundations
Released20082018
GenresAction, Strategy, SimulationAction, Strategy, Simulation
PlatformsWindows, macOS, LinuxWindows, Linux
Steam DeckDeck PlayableDeck Verified
Price3.19 USD12.49 USD
Steam reviews83.7% positive (1,089 reviews)78.6% positive (13,038 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersEgosoftEgosoft

Side by side

X3: Terran Conflict vs X4: Foundations — FAQ

Which is better, X3: Terran Conflict or X4: Foundations?
On Steam reviews X3: Terran Conflict scores higher (83.7% positive) than X4: Foundations (78.6% positive). Both have enough reviews to trust the signal, so for players using reviews alone, X3: Terran Conflict is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play X3: Terran Conflict or X4: Foundations first?
If you want chronology, X3: Terran Conflict (2008) came out before X4: Foundations (2018). 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 X3: Terran Conflict and X4: Foundations similar?
They overlap on Action, Strategy, Simulation 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.