Earth 2140, the first game in the Earth series. Featuring only the United Civilized States and the Eurasian Dynasty. Also akin to the times, the units were fixed in their design. Technology research also simply meant building a research center and it went through all available research sequentially without user intervention.
Mission briefs are simply conveyed though writing messages with little in the way of FMV's. A majority of the missions are seek and destroy with a few protect and secure missions thrown in for good measure.
Unlike many games of the time where each side had roughly the same troopers and technologies the UCS and ED feature units that are unique to them and there is little in the way of technological overlap.
- Expansion Packs