Bethesda

Bethesda games are known for requiring a lot of mods in order to fix their technical problems and improve them.

Fallout

(A mod that converts Fallout 3 to the New Vegas engine, as well as making both linked to one another)

Personal review: I Have found this guide to be very useful.

The Elder Scrolls

Hasn't been updated since 2023, and in fact, doesn't even have a domain anymore. Not sure why.

Discontinued due to conflict about which version to support.