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shipbuilding Tech Comparison

Bio Warfare Systems III vs Graviton Cargo Expander

Comparing the Bio Warfare Systems III (Tier 3) and Graviton Cargo Expander (Tier 2), both shipbuilding technologies in Starforge MMO. Use this to decide which to queue first when your research lab can only run one project at a time.

Research Comparison

AttributeBio Warfare Systems IIIGraviton Cargo Expander
TierT3T2
Research time64
metal cost6,0003,000
crystal cost3,6001,800
Effectunlock ship: biomancer-frigateunlock ship: nebula-drifter

▼ marks the lower resource / time cost. Cheaper isn't always better — weigh it against the effect each tech unlocks.

Bio Warfare Systems III

Unlocks construction of the biomancer-frigate (frigate class).

Unlocks ships: biomancer frigate

Graviton Cargo Expander

Unlocks construction of the nebula-drifter (corvette class).

Unlocks ships: nebula drifter

Which Should You Research First?

The Graviton Cargo Expander is the lower-tier prerequisite step and typically comes first in the shipbuilding branch, opening the path toward Bio Warfare Systems III.

Bio Warfare Systems III details →Graviton Cargo Expander details →

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