@sims929292 Planet Coaster is definitely more demanding on the processor than Sims 4. I'd be interested to know the CPU load, as shown in hwinfo on a per-core basis: a laptop processor will run hot when it's maxed out or close to it, although exactly how hot depends on the laptop. It also depends on the ambient temperature, so yes, a very warm room can have some effect as well. I've been known to open a bunch of windows at night to get the temps down so I can play CPU-intensive games without thinking about temperatures, but then I live in a place where it's usually no more than about 65º F at night.
Lowering the in-game graphics settings can actually increase the load on the CPU if you don't also cap framerates. The more frames per second the graphics card is rendering, the more draw calls the processor needs to handle. So the better question is what happens if you lower the settings and cap fps at the same time, either in the Nvidia Control Panel or within the game if it has the option. Vertical sync works in fullscreen mode; an explicit framerate cap should work anywhere.
Having said all that, 80º C is not dangerous for a processor or even close. If you see a temporary spike to >90º but it comes down again, especially if that spike is only on one core at a time, it's also not a problem. The processor will thermal throttle if necessary to protect itself, and at that point the immediate concern is with the in-game performance you're losing due to the throttling. It's certainly not good for the long-term health of a CPU to run it at 95º for extended periods, but it doesn't sound like that's your issue. And it's entirely possible that your particular laptop is tuned to let the CPU run into the 90s: doing otherwise would either require a more expensive cooling apparatus (or fans that were annoyingly loud) or leave some performance on the table.
Your GPU temps are totally fine.