The level design is by far the best part, the levels are aesthetically consistent, impressive, and unique, and the layouts are intricate and facilitate exploration and effectiveness well. They're big without ever feeling empty, which is an excellent feat. All of the system design tweaks and changes also worked really well, the new skill system was excellent (though Battle Training was still a bit more useless than I was hoping) and the perks were a pretty neat addition. Making the spy drone an item…