Perception, Simulation and Shared Reality

How do I perceive things? If everything is a simulation, right now, how I see things, how I experience or how I see whatever I’m seeing, it is rendering. Let’s say that is a reality because my brain is rendering it because that’s what I’m able to see. It is like all playing video game of their own rendering... So now everybody else will have a different senses, different inputs, how it will…