A Crucial Item

Light Sources

Light sources can help you navigate the mines, especially during a blackout. Once the battery dies they becomes useless.

Cellphone: The cellphone can be used as a light source.It also tells the time.It has a battery life of ~6 minutes.

Flashlight: An ordinary flashlight that gets weaker as you use it. It has a battery life of x minutes.

Lantern: A lantern that gets weaker as you use it. It lights up the place around you. The light lasts for x minutes.

Glowstick: A set of glowsticks (3) that you can place on the ground to mark it.

Other Items

Fuel: Needed for the generator to keep it running.

Crowbar: Needed to destroy boards.

Boltcutters: Needed to cut ropes. Can be found in a locker.

Yellow Key: Needed to open the lockers with the boltcutters in it.

Gears: 6 of them spawn on the whole map. You need them to fix the elevator in the third area. They can be found behind boards and ropes all over the map.