The true narrative behind Deathly Stillness lies in its real-world creation:

The entire game was put together in just 17 days . 🕹️ The In-Game "Plot"

does not have a narrative story mode, as it is a pure gameplay demo. However, the "story" of how the game came to be is a famous tale of solo game development, rapid execution, and blunt developer honesty. 🎬 The Development "Story"

If you are looking for an lore-heavy campaign, this is not it. The game is highly self-aware. On its official Steam page, the developer famously left this description:

In 2020, Chinese game developer and Bilibili content creator Chen Jiacheng hosted a livestream where he challenged himself to code a functioning zombie survival game in just 30 minutes using Unreal Engine.

In September 2021, Chen paid the $100 developer registration fee out of pocket to put the game on Steam. He did this simply because the game had grown too popular for standard cloud-sharing drives, which were bottlenecking download speeds for his community.