I have doubled the research sites that every country starts with. 2-> 4, 3-> 6, 4-> 8.
Hearts of Iron 4: Cheat (Double Starting Research Slots) Free Download
Research slots from national centers remain intact due to the risk of imbalance in the overall focus tree. Countries that start with 2 slots can unlock 3 more. Others only unlock 2 more.
Early penalties and other research mods are also not affected while I figure out the balance. Leave suggestions below.
Affects all countries and AI.
Not compatible with Ironman.