"Dark. Darker. Yet, Darker."Und_rt_le is the Game virus AU, Gaster is the Antagonist of the Au.
- The Creator is Ann13doodles, please dont sue me
- The Character's names have Underlines on it (For example, S_ns)
- S_ns' note: Oh no no no... I won't let these viruses finish you off as much as i would like too. I have a BIG PLANS for you. For now i'll leave you be. Suffer as you are slowly forgotten by all your loved ones. Learn what is it like to be me, you traitor...
- The Characters, also have other characters combined to them.
- Asg_re is the most corrupted one while Fl_w_y is the least one.