| - Traditional Warfare |
| - Mass Drivers |
| - Core Detonation |
| - Tidal Disruptors |
| - Mini-Soldiers |
| - Gas Warfare |
| - Information Warfare |

| - None |
Cost 600
15% to 30% loss to your enemies advantage factor
5% to 20% drop in planet quality
no planetary improvements are destroyed
Description
Preceding attacks, viral clouds will be released upon the most populous areas in the star system. Our enemies defensive strength will be weakened, but irreversible damage to organic life on these planets will hurt overall planetary quality.