Originally Posted by Tpinks

ETOPS is no longer Extended Twin Operation’s. Now it’s ExTended OPerationS and includes all aircraft. It has been this way since 2007. The 747-8 was the first airliner with more than two engines certified under ETOPS.

There are also numerous ETOPS levels, predominantly 60, 90, 120/138, 180/207, 270, 330.