Everything is open and areas have been pumped up. Everything is over.
Completed all side and story missions.
All the costumes, all the skills, all the gadgets.
Completed all spider-bots.

Hunter bases completed:

Tramp
Drone claw
Symbiotes
Mysterium

Installation instructions:

Go to the launcher→settings→open save game directory→Marvel's Spider-Man 2 folder→select any slot you want.

Author: FalteringTaka