For combat I'm trusting you guys to be realistic. As for down time it's really yours to do with what you want, basically what your character would do when on leave or not saving the world, as such most of the base is open to you (and a few external sites), basically Character Development. As for PSI testing, as with the normal game it's supposed to be a "Volunteer" Program, so if you want to go through the severe acid trip testing probably is go right ahead, and for fairness I will even randomize the results.