Looks like someone turned the light off on you! Good thing you bring a flashlight around you at all times (paranoia lol). The battery seems low so you must act quick press space to turn on your flashlight use wasd to move
if you believe you are stuck press f (you will go back to the start) used my light engine This game optimizes for best gameplay. In that process, some detail was lost. To see a render with full detail see this project >> https://scratch.mit.edu/projects/301757630/ check out the dynamic light studio, it's cool octoder 14th - improved performance