Game has four difficulties - Sandbox, Beginner, Expert, Hardcore.
Sandbox[]
Instant and free buildings. Resources and tribesman needs are same as at Beginner difficulty.
Beginner[]
Very relaxed gameplay. Available resources are greatly increased and tribesman gains less Unrest then normally.
Expert[]
Real game experience.
Hardcore[]
For players who seek hardest challenge. Resource are greatly reduced and tribesman gains a lot of Unrest quickly.