Chimera (199x) (Supervision)

We play as an astronaut who must stop nuclear self-destruction on a ship called Chimera.
Apparently, the gameplay is of some interest. It boils down to wandering around rooms, opening doors, finding and using all sorts of items, etc. In addition, the ship has zones of high radioactivity, a long stay in which is destructive to the body (sensors of its state are constantly present on the screen).
The game is quite atmospheric. It is also worth mentioning that it is available on Spectrum....