Trees were introduced in Fortresscraft in patch 1.1 Alpha , and they can be added to a world upon resetting. The style of trees depends on the Climate of the world. For example, trees resembling willow trees will only spawn in temperate and tropical world types. Trees will also spawn with any type of terrain such as Flatland, Holland, Flatter, Normal, Hilly or Mountainous.
Upon resetting the world, there are several choices for tree generation. These specifiy how many trees will be spawned in a given area so the player can choose to have few scattered trees or denser tree coverage if they want to.
The player can choose from: