A lot of people don't actually know this, but you can use 2 controllers & 2 monitors (on PC) to achieve 2 full screens while playing splitscreen with a friend! : r/RocketLeague
How to set up three monitors for ultrawide multi-monitor PC gaming | Rock Paper Shotgun
Geometric distortion in a triple-monitor setup for MSFS 2020, compared to XPlane 11 | Xinhai Dude 辛亥生網誌