A doctor who suddenly gains the ability to shrink his body enters the patient’s body to treat them.
SYSTEM REQUIREMENTS
MINIMUM:
OS *: Windows 7+
Processor: 1.4 GHz
Memory: 2 GB RAM
Graphics: 512 MB RAM
Storage: 500 MB available space
https://store.steampowered.com/app/2858930/Split_Personality_Doctor_Prologue/