There are in total ~15-30mil paying subscriber that pay subscription fees to a single game. That's 1% of all gamers globally.
But sure, let's slap a $5/month subscription fee on all upcoming games that would have the chance to be the next Among Us / PEAK, and let's see how well that works out for indie developers.
Most indie games don't rely on servers for the gameplay loop because those are expensive and an indie studios can't afford it. They instead rely on P2P networking for the gameplay loop, and at most have a matchmaking server to both give a nice experience to find other players to play with, and to allow NAT traversal.
You can easily design a game like PEAK/AmongUs in such a way that, even if the matchmaking server is disabled, the game still works because it has a direct connection or LAN option.
PEAK is listed as an example of using the Photon Fusion Shared Authority model[0]. AFAIK Photon Fusion doesn't allow for any proper P2P in any of their network topologies (apart from the fully offline single-player mode).
[0]: https://doc.photonengine.com/photon/v1/photon-products#the-q...
Besides, PEAK has offline mode already built in, so no subscriptions needed.
Yes, single player offline. SKG is specifically about deactivating the online/multiplayer component in games, so if PEAK were to deactivate their online coop mode, they would definitely fall under it (ignoring grandfathering).
