The first person view is used inside the individual rooms
The crazy doctor leaves gernades lying around his house
Hitting the wall here has revealed a secret passage down to the basement. Fragile drywall.
A big scarry monster has chased me out of 1st-person mode and into the hallway
Believe it or not, this (now opened) window is the access to the first warpzone
This alternate world is filled with vegetation
This boss creature guards a piece of the warp device
Successfully finding a piece of the device earns you a password