mono·​dra·​ma / ˈmä-nə-ˌdrä-mə
​noun
: a drama acted or designed to be acted by a single person

or as loadbang defines it - a theatrical work for loadbang

The Shepherdess and the Chimney Sweep by Hannah Lash

Bacchae Paralipomena by Ioannis Angelakis

Golden Parachute by Erin Rogers

When A Drop Of Light by Jen Baker