Gameplay
Undertow features a 15 level campaign for single-player or co-op and two multiplayer modes for up to 16 players. Players select their race (Iron Marine, Nemoidian, Atlantean, or Elect) and unit type and are then launched into battle. Each of the four races features four unique, upgradeable unit types ranging in ability from the fast and agile to the large and powerful. Players have the ability to unlock and purchase unit upgrades as they acquire points. Each unit type has three levels of permanent upgrades.
Through conquest-style battles, players obtain points by killing enemies, accomplishing team goals, and capturing check points. Points and a variety of power-ups can be used to further upgrade unit abilities.
Read more about this topic: Undertow (video Game)