The Developer Chat has just finished, check out the transcript below.
Cryptic_Rekhan: Hello everyone, and welcome to today's dev chat! This week we're talking about player progression. With us today is Steve "Snix" Nix, one of our earstwhile systems desginers. If you have questions you'd like to ask, please ask them in #stoquestions. You can talk about the chat in #talktrek
Zoberraz: I would like to know how race selection (beyond cosmetics) changes a character. For example, what gameplay differences will a human and a vulcan science-oriented captains have?
Cryptic_Snix: Race selection (or species selection as we refer to it) offers Species Traits. Most species have one or more Traits that are always gained, while allowing the player to chose a few from the species list to customize their character.
Arokh72: You've given us a hint at the engineering side of things, can have some hints for the other professions such as Science. For example will we have medical as a science tree..think Dr Crusher and the USS Pasteur?
Cryptic_Snix: There is a medical branch of the Science career, as well as various classes of science vessel to captain. Dr. Crusher and the USS Pasteur is a great example of this.
Deltab: Can one go from a Tactical ship to a Cruiser and then back while they are leveling form Commander, to Captain, then to Admiral?
Cryptic_Snix: Absolutely. Your choice of ship to captain is up to you.
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