Are tech trees and crafting the same thing, except the mechanism to attain them? What the real difference between the two?
closed as unclear what you're asking by congusbongus, MichaelHouse♦ Dec 29 '14 at 5:07
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They do have similarities.
A tech tree is something you advance through in order to gain a skill or ability. Crafting you also advance through, but you gain the ability to create something.
Potentially, you could share the same base data structures between them.