Ten platforms sounds like a lot, but it’s totally doable. Just look at Chorus, Deep Silver FISHLABS’ recent space-shooter. Learn how the team organized their polishing efforts, tamed performance issues, and used data to plot their optimization strategy, so you can solve issues before they start.
https://dev.epicgames.com/community/learning/talks-and-demos/1kPV/unreal-engine-making-chorus-sing-across-10-platforms-unreal-fest-2022