Engage in epic sci-fi battles in 2084, training and equipping space marines to conquer planets. Lead your forces across a star map, challenge friends, and strategize with tactic cards to dominate the galaxy.





207+ iOS apps & games curated and reviewed
If you already know Rivals at War, this is the deeper bench. 207+ sci-fi base building game for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.0★ (284) | Yes | Yes | May 2026 | |
| 2 | $1.99 | 4.6★ (1.4K) | No | Yes | Jul 2026 | |
| 3 | Free | 4.2★ (52) | Yes | Yes | Jul 2026 | |
| 4 | Free | 4.7★ (3K) | Yes | Yes | Jul 2026 | |
| 5 | Free | 4.7★ (10K) | Yes | Yes | Jul 2026 | |
| 6 | Free | 4.6★ (3.2K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.3★ (1.9K) | Yes | Yes | Jul 2026 | |
| 8 | Free | 4.3★ (5K) | Yes | Yes | Jul 2026 |





Engage in epic sci-fi battles in 2084, training and equipping space marines to conquer planets. Lead your forces across a star map, challenge friends, and strategize with tactic cards to dominate the galaxy.





Design and construct your ultimate base, then defend it against waves of enemies. This game blends building freedom with intense first-person combat, challenging your skills as both a creator and a survivor.






Build a sci-fi utopia on a new planet as the first Grand Architect. Manage resources, expand your city with futuristic buildings, and uncover ancient secrets and threats in this story-driven idle builder.


Manage your finances and make strategic decisions to construct a unique skyscraper. With each tap, improve your tower's design and materials, aiming to create the most impressive building in the city and amass a fortune.


Lead your community, manage resources, and defend your base from enemies. Explore new areas to rescue civilians and expand your territory. Upgrade your character and hire workers to strengthen your defenses and conquer new bases.


Build and automate complex production lines on an alien planet. Harvest resources, craft items, and research new technologies to send goods back to Earth. Expand your factories and optimize your resource extraction.


Command powerful fleets in epic space battles, manage resources, and build planetary facilities. Customize your starships and lead your alliance to conquer the galaxy in this sci-fi real-time strategy multiplayer saga.


Engage in epic galactic warfare with players worldwide in this next-generation online space strategy game. Build and customize your space station, design powerful fleets, and form alliances to conquer sectors of space. Experience real-time battles and strategic gameplay with stunning HD graphics.


Engage in strategic real-time combat within a blocky sci-fi universe. Build defenses, command diverse alien armies, and lead heroes through a vast campaign or multiplayer battles.


Command a vast fleet in a sci-fi universe, exploring uncharted planets, recruiting alien lifeforms, and engaging in real-time multiplayer combat. Forge alliances, customize your forces with advanced weaponry, and rise to rule the stars.


Build and command your own space colony, construct a powerful fleet, and engage in epic interstellar warfare. Explore a vast universe, battle pirates or other players, and forge alliances to achieve galactic dominance.


Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.


Engage in epic space combat strategy by building and defending your base. Command a diverse army of ground and air units, gather resources, and battle millions of players worldwide to dominate the galaxy. Features stunning 3D graphics and a challenging campaign mode.


Construct your tower as tall as possible by strategically placing building nodes. Collect more nodes as you ascend to reach crucial checkpoints and achieve new heights.


Design and construct complex, realistic skyscrapers in an open-world sandbox. Take on the roles of architect, engineer, and developer to build your real estate empire. Enjoy total design control, from building shape to interior details, with automated tedious tasks.


Build the tallest skyscrapers by stacking blocks and managing construction resources. Grow your tiny tower into world landmarks, even in space. Make strategic decisions about parts, materials, and upgrades to become the ultimate idle building tycoon.


Unleash your creativity by building unique worlds and structures from cubes. Explore vast block worlds, either solo or with friends, and enjoy a fun, engaging experience for all ages.


Command your fleet in a post-war galaxy, taking on bounty contracts and exploring ruins for treasure and technology. Build your base, upgrade your ships, and engage in tactical space combat. The choice is yours: roam the void or rise from chaos.


Build and command your own space station and fleet in a chaotic galaxy. Forge alliances, explore new worlds, and engage in strategic space battles to shape the future of the sector. Your decisions will determine the fate of the galaxy.


Engage in thrilling space combat with this popular deckbuilding game. Build your deck, outmaneuver opponents, and conquer the galaxy. Offers both single-player campaigns and multiplayer battles.