Train Survival: Whose Train Is Fully Armed?

After reading four chapters, it was too detailed and felt like it was straying from the main point. The first stop was zombies, which was extremely difficult. Moreover, the writing of killing zombies is too long-winded, and the description of the environment is almost non-existent. The running account has no ups and downs, it is too watery and has no sense of atmosphere.

You can't distinguish between priorities. If you don't open a treasure chest, you should first synthesize weapons and exchange resources. Wouldn't it be better to collect resources and make plans by opening the treasure chest first?

The logic is pretty smooth, let's just take a look.