Map mp_dr_undertale is a mod for Call of Duty 4: Modern Warfare, created by Rex109.
Description (in author’s own words):
After months of work i'm proud to present you my latest deathrun map mp_dr_undertale based on the famous game "Undertale" by Toby Fox. The map is fully functional, doesn't create any problems on the server, it's public domain and free to download and decompile.
Extract into „USERMAPS”.
Report problems with download to [email protected]