Valhalla got turned into an unreal plugin so PD3 is pretty much confirmed for unreal, since it was originally going to be on Valhalla when it was a standalone engine.
If you're alright at stealth, doing stealth missions on whatever the highest difficulty available to you is is a great way to shoot up levels - I'm a mostly solo stealth player though so that makes it a little easier for me.
Aw, that's their fault for not choosing obsessively meta builds every single time they play
The only circuit boxes that matter are those on Garrett's side of the building, if you were trying those on the other half.
I tried the new heist, normally with new heists I give it a run around with normal and then do the highest difficulty if it's a stealth heist, but for this one I'm feeling pretty eh on doing that since the guard movements and general cramped design make it pretty tedious and f...