Blue Key (Item)

The blue key is an item used in the APRP chapters.

Chapter 1 - Construction Site
You can find the blue key under any one of the snowpiles around the map. You can use the shovel to dig up these snowpiles.

After you get the blue key, you can use it to unlock the blue safe in the Warehouse, and the blue doors in the Watchtower.

By unlocking the blue safe at the warehouse, you can get the Dynamite.

By unlocking the blue doors at the watchtower, you will get the Ladder.