In order for you to play Vampire Therapist on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 20.04 LTS or SteamOS
Processor (CPU):
Quad-core 2GHz or faster 64-bit CPU
Memory (RAM):
8 GB RAM
Graphics Card:
NVidia, AMD or Intel Graphics with support for Vulkan 1.2
Storage:
16 GB available space