Villains Inside is a fast-paced action game where you play as a virus that tries to enter, infect, and replicate in a human's body that sets. During your playthrough, you will be met by various resistances made by the host's immunity system trying to fight back the viruses that you brought. The story of the game does not follow a simple storyline where it's about good vs. evil or vice versa, but instead, it teaches about how a virus's existence could infect and leave many impacts on a human's body.

Fight your way against the host's immunity system with a variety of skill sets to choose, upgrade, and use against your enemies. Meet various virus allies as you go on your way to finalize your infection into a host's body. Complete over 4 main chapters and a total of 23 sub-chapters in the game and be the dominant force that could crush the immune resistance.

Disclaimer: This is intended to educate.