Inserting anomalies
Besides the object-based obstacles, there can be some more impalpable ones in the form of various forces that affected the astronaut. Remember that to add some good dramatic moments, you should play with the protagonist's abilities. If he is able to do an action, it is good to reduce his power somehow, or even take the power away from him for a period of time. Only when somebody loses something do they truly understand its significance. Thus, in the game, it should be territories (where the astronaut is more vulnerable) because something invisible to a naked eye affects him and takes his powers. I would call such events an anomaly.
There can be three kinds of anomalies:
Portals: These are deformations of space that look like blinking flat spots and may be with some visible discharges. They can be small or large. If the protagonist reaches one of them, he is teleported to another location. Because this is a pitfall, it usually means that he has been returned back, losing...
