Grenades are overpowered. Step 1) spam riflemen, Step 2) when in range, spam Grenade. I've had one guy take out several squads with his Olympic-class throwing abilities.
Proper win conditions would make this turd of a game playable. Waiting 10 days for the last 10k infected to die only to lose with 400 infected left is just broken. Unplayable for the same reasons as the other Pandemic.