Battlefield 1: They Shall Not Pass — an expansion for the first-person shooter in the popular Battlefield series. The expansion is dedicated to naval battles, which include 4 multiplayer maps ("Cape Helles," "Achi Baba," "Zeebrugge," and "Heligoland Bight"), the "Conquest Assault" mode, six weapon models, two types of vehicles (destroyer and airship), the British Royal Marines, the elite class "Infiltrator," and more.
The expansion requires the original version of Battlefield 1.