Types
Guards: strong in defense.
Fighters: strong in attack.
Spies: look at other towns.
Riders: fast, and carry a lot home.
Wall breakers: break walls.
Settlers: start new towns.
Where you make them
Guards and fighters come from the Workshop. Spies and riders come from the Garage. Wall breakers come from the Machine Factory. Settlers come from the Planning Office.
Research
Only guards are ready at the start. Design the other types in the Research Lab first. Every level of the Research Lab makes research 5% faster.
Fighters: Research Lab 1.
Spies: Research Lab 3.
Riders: Research Lab 7 and Garage 1.
Wall breakers: Research Lab 10 and Machine Factory 1.
The Garage needs Workshop 2 and Research Lab 2.
Food
Every soldier eats Food every hour, also when it is away from home.