Tech Tiers

Wood

An introductory tier, designed to introduce players to basic skill and storage mechanics and default stat changes from vanilla, should take no more than an hour of gameplay. Required cooperation is minimal

Stone

Introduces time based crafts and three basic professions. Expected to take 2-3 hours of gameplay. Requires some cooperation

Copper

Introduces infrastructure and specializations, first beacon upgrades. Expected to take 3-8 hours of gameplay. Requires async cooperation

Iron

The start of the midgame. Introduces storm missions and expansion. Expected to take 6-12 hours of gameplay Requires sync cooperation