You landed on an island, and don't remember how.
You find yourself in a cold, snowy, climate. Next to you is a big spruce tree.
By that tree is a chest containing useful materials. These materials will help you get to the other generators, and make one for your own.
There are 4 generators, Coal, Iron, Gold, and Diamond. There is a Secret platform, with 3 different generators on it.
If you find the Secret generator, you will be able to escape the island.
Hint to finding the island: It's in plain site.