Destiny 2? Bungie has been unpleasant about this, as I’m sure plenty of other devs still do-which, unlike the past where they could claim no market share, makes less sense now that Steam Deck is a thing and doing great.
Bungie is specifically and on-purpose making the game broken on Linux for no apparant reason. Other BattleEye titles work just fine. There's no technical reason why it doesn't work. All the technical work was done all the way in 2021.
This is one of those cases where you need to vote with your money and stop supporting studios that are hostile to Linux. I actively avoid all Bungie titles for this reason.
As someone who has been on both sides, developing cheats and working in anticheat, AC on linux will always be significantly gimped compared to windows because of GPL related issues, anyone saying otherwise is doing it entirely for marketing reasons.
On windows a closed-source driver that can utilize and scan for anomalies in reverse engineered undocumented internal kernel structures is feasible. If you want to do something similar on linux you need to find a reverse engineer that has never laid eyes on linux kernel sources(good luck with that), have them reverse engineer and take very detailed notes on relevant kernel structures and functions, and then find a software developer that has also never laid eyes on kernel sources to write a driver according to those notes. Needless to say, this takes a fair amount of time and therefore money.
The alternatives are to implement your detections in usermode, where they can easily be fed false information from the kernel, or to publish the source code for your detections making them almost worthless.
Cheat developers have it much easier, they do not give a fuck about licensing and will just read kernel sources and ship a closed source driver, or ship a hypervisor that tampers with kernel data structures that they are able to just copy and paste out of the sources.
