If I were sketching this out, I’d focus on tight gunplay and clear visibility so fights feel fair without relying on heavy-handed anti-tamper systems.
Stuff like how some folks break down tactics in hunt showdown hacks can be handy to study, since it shows what kind of info players crave.
A solid netcode and clear sound cues would probably matter more here than fancy gimmicks.
I’d start small with a tight map, smooth controls, and clear performance goals. Adding optional cosmetics and community mod tools could keep players interested without extra headaches.
Seeing the success of Fortnite, it should give you guys an idea on making a Battle Royal game and literally copying Fortnite and putting it on GOG.com and making it DRM free so its portable.