Tile Improvements
Forest:
- Lodge: 2 people can work here
- Camp (upgrade from Lodge): 3 people can work here
Hills/Mountains: - Lodge: 2 people can work here
- Camp(upgrade from Mine): 3 people can work here
- Mine: enables ore / silver production
Plains: - Farmhouse: 2 people can work here
- Ranch: 3 people can work here
- Plow: production bonus
Everywhere (except colony or settlement): - Roads: Movement bonus and supply from nearest colony
- Fort:
- Gives defensive bonus for units
- Has storage for military goods and can be used for automated transport
- Can be destroyed by military units, then becomes raided fort which must be repaired
- Can be upgraded to a colony