This version is the comprehensive "complete" edition. It includes:
Features real-time fleet battles and turn-based ground combat, though the ground combat is widely criticized as "half-baked" and tedious. Pros & Cons StarDrive 2 on Steam
The standout feature is a grid-based editor where you manually place engines, weapons, and armor. How you design your ships directly impacts real-time battles.
Expands the galaxy map and adds new mechanics. Shipyards Content Pack: Adds new ship hulls and modules.