Creating new races and perks?

[Space Knight]

Races can be added through the .txt files in Sessions/[campaign_name]/ses.kfs. Just ctrl-f with notepad for the term "race" in the files until you find the lines for the races. About localization, it should be in one of the units' localization files (use the other races' info as template). Special perks can be added in subturns.lua.

[Burut]

where do i find subturns.lua?

[Space Knight]

In the same place as all other campaign-specific files.