Tip 1: Exploring new places in the map can be very useful to get some collectibles and some other materials.

Tip 2: While exploring the different parts you might also come in contact with the treasures, which can be very beneficial. You might be lucky enough to have some new Schematics, XP's and some other important material required for crafting.

Tip 3: Exploring will also let you know on the map where the other survivors are and rescue them.

Tip 4: Sometimes while rescuing them a small mission might start up for killing the enemies. Complete it and then rescue the survivor.