Outer wilds definitely has stressful parts (it is also a horror game even though it doesn't wear the normal aesthetics of one), but generally the time pressure

Outer wilds definitely has stressful parts (it is also a horror game even though it doesn't wear the normal aesthetics of one), but generally the time pressure is not a major issue: the game even pauses while you're reading text so you can mull over things at your own pace.