From Outscape Wiki
A heavy ship class designed to be able to operate independently across a wide range of distances. This expensive hull is fitted with generous amounts of armour, versatile, capable of delivering tremendous firepower, and is compatible with the orbital strike module. Adapted from In-Game Description
Cruisers are large, powerful, late-game warships. This hull class is the only one capable of conducting orbital strikes against enemy-held colonies. Their data are summarised on the Cruiser page.