Class A planets are very small, barren worlds rife with volcanic activity. Thisactivity traps carbon dioxide in the atmosphere and keeps temperatures on Class A planets very hot, no matter the location in a star system. When the volcanic activity ceases, the planet "dies" and is then considered a Class C - Geoinactive planet.
- Extreme attrition damage to units outside Pressure Domed Cities.
- All facilities require Pressure Dome (w/ Heat Shield) upgrades or suffer damage.
- No Naval Units
- No Fishery or Waterport
- Increased chance of Volcanic Events.
- Mines produces x2 Metal.