Apart from the necromorphs, the locked doors and containers are the only other thing abundant aboard the USG Ishimura in the Dead Space remake. While most of these doors and containers can be unlocked by simply interacting with them, some cannot be unlocked unless Issac has a specific security clearance.
Players will come across multiple levels of security clearance in the Dead Space remake. The highest level of clearance that a player can have is the Master Override security clearance, which can be used to override every locked door in the USG Ishimura.
To get the Master Override security clearance, players must collect multiple crew RIGs spread out all over the USG Ishimura. Although the RIG collection step is part of a side-quest known as "You are Not Authorized," the items can still be collected even without the mission is active.
This side-quest can be acquired at the Captain's Nest, and the earliest it can be accessed is during Chapter 4 of the Dead Space remake. The only sad part is that players can complete this quest once they've reached Chapter 10. That's when they'll get access to Crew Deck, where the final RIG can be found. Other RIGs aren't well hidden either and can be found through simple exploration.
There are seven crew RIGs in total, each of which has a telltale purple glow, making it easier for players to spot them. The locations for each of these RIGs are as follows:
With all the RIGs, players will have to head back to the Captain's Nest and interact with the terminal where they picked up the quest. This should give them Master Override access, thus allowing them to access every door on the USG Ishimura in the Dead Space remake.
The Master Override is important because the doors and containers that require
Read more on sportskeeda.com