No. I found five or six of them and then decided I'd had enough. The timers annoyed me and the "chance of survival" on each passage left me baffled as to the effect of my actions. Also the inventory seems to be broken. I ended up carrying items from a previous playthrough as it doesn't reset properly. As a result I was unable to make a different choice on a subsequent playthrough.
Various passages are slightly broken and reveal the effects of one of the choices without selecting them:
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