The game - Dr. Chaos - Dendy | NES

Entertaining adventure game. It consists of several modes: the first and main, when you wander around the mansion, with a side view. The second is when you enter the room. In the room, the side view changes to a first-person view, a cursor appears, pointing to objects, you can take them, open cabinets and doors, and also spin around the axis, examining the whole room. You can find useful things, like weapons: a pistol, a grenade or something else...