It's in the same engine NetEase uses for everything. "In raid" it plays much the same except recoil is a real issue here. Even point firing you could end up in the sky if you aren't careful. Kicks even harder than Tarkov.
Everything is simplified of course and there's nothing really hard-core about it but out of raid it's got the same concepts. Transfer from inventory to warehouse, buy and sell items, insure and then go back out. They even attempted to copy the gunsmithing look and feel.
It's got its own unique little things too like total loot valuation and full loadout presets.
Close enough for that itch now that my room is being renovated and my rig isn't set up.