These are all the locations that I found. as far as I know these are all that there are.
KEEP IT ALIVE!!!
001----laboratory
104----ancient section
690----looping traps
529----basement
462----lighthouse digouts
770----tomb trap
800----the ship
551----blind jump brick room
452----statue
728----secret drop
043----scepter dome
I destroyed every city in europe by releasing all three infections evenly spaced. Then when the objective was reached I used MJ and then used the other specials as needed.
All you have to do to not use matches is to go to the brick wall that is by the ladder that leads to the hatch that is locked from the outside, and push in the three bricks that are sticking out.. Then go to the switch by the ladder and flip it.