PlanetSide: Core Combat brings the action of PlanetSide, the world's first massively multiplayer online first-person action game, underground. With more gameplay options for players in PlanetSide's vast game world where thousands of players can battle all hours of the day, PlanetSide: Core Combat takes squad-based combat to the next level. Players choose their allegiance and enlist with one of three unique empires in the fight for total domination on a global scale. Characters gain experience with every conflict, and can become one of the best in more than 30 combat specialties, including infantry, sniper, stealth commando, engineer, hacker, medic, pilot, driver and more.

PlanetSide: Core Combat also features:
* Expanded game world with six new war zones
* New ancient alien technology, vehicles and weapons available to all Empires and players
* Head-to-head urban warfare in subterranean cities
* Unique alien complexes to explore and conquer
* New underground environments from volcanic lava flows to ice caverns
* Ancient technology can be used by all Empires to upgrade existing surface level facilities