Thorium is a craftable resource unlocked by researching the Thorium technology for 375k science and 375 blueprints.
- Thorium is crafted in the Workshop; each craft costs 250 uranium.
- This is boosted by normal crafting bonuses.
- Thorium is required for a few space missions:
- Thorium is required for a few space buildings:
- Thorium is required for a few Workshop upgrades:
- Once the Thorium Reactors upgrade has been researched, thorium can be expended to boost the energy output of Reactors. Reactors will output 2.5 extra energy in return for 0.05 thorium per tick per reactor.