Use towers to build a labyrinth from entrance to exit. Each tower can be upgraded 4 times. With each wave, enemies will become stronger, so use money you earned to upgrade reasonably.
Take your semi-truck to the indicated spot and park it there. Watch out for the heavy trafficked road full of mad drivers whom won't let you cross the street easily.
Protagonist was thrown into a prison because he's been accused of a robbery. The warden here is very mean and an intimidating guy. Help the protagonist rescue inmates then escape this prison of hell.
Grow your own tribe from first human-primates era to a first recognized ancient civilization. Develop your primitive encampment to a flourishing place. You need to grow population, manage workers, research technologies.
