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XE
XCOM: Enemy Within
2KStrategyPaid
A superb turn-based tactics game defending Earth from an alien invasion. Squad management, permadeath and base-building make every choice matter.
The best science-fiction games for iPhone in 2026 — alien invasions, deep-space survival and far-future worlds, from XCOM to Star Wars: KOTOR.
By Mustafa Bilgic, Editor · Sourced from the Apple App Store
Science fiction spans tactics, RPGs, survival and adventure, and the iPhone hosts standout examples of each. The best sci-fi games on iOS pair strong worlds with smart design, and many are premium console-quality ports. This guide ranks them across genres, noting the price model for each — a mix of pay-once classics, Apple Arcade titles and free-to-play hits.
Sci-fi cuts across many genres, so this list pairs well with our best strategy games and best RPG games guides. Several premium picks play fully offline.
Ranked by our editors. Every title below is a current App Store release.
Sci-fi on iPhone spans tactics like XCOM, deep RPGs and survival games such as Star Wars: KOTOR and Out There, and action and shooter titles. The genre is rich with both premium ports and free live-service worlds.
If you want one to start with, XCOM: Enemy Within is the best pay-once tactics game on the platform, while Star Wars: KOTOR is the must-play sci-fi RPG.
Every game above is a current App Store release. For more tactical depth see our best strategy games guide, and for epic adventures visit best RPG games.
Want to play instantly on your iPhone with zero install? These run in Safari in seconds.
XCOM: Enemy Within is the best tactics game, while Star Wars: KOTOR is the standout sci-fi RPG. For atmospheric survival, Out There is a budget classic. All three are premium purchases.
Yes. Star Wars: Galaxy of Heroes, EVE Echoes and Galaxy on Fire 3 are free to play with optional purchases, offering collecting, MMO and action experiences respectively.
Many can. Premium picks like XCOM, KOTOR, Out There and Crashlands play fully offline. MMOs and live-service games such as EVE Echoes require an internet connection.
Several do, especially the console ports like XCOM and Star Wars: KOTOR. Check each game’s ‘Supports Controllers’ note on the App Store before buying.