With Respawn confirming to us that the first Titanfall saw its player base drop — though reiterated that it’s similar to the drop off of identical games — the studio, no doubt doesn’t want to repeat that with Titanfall 2. 
Speaking to PlayStation LifeStyle during a Titanfall 2 preview event, we asked Respawn Lead Engineer Jon Shiring if he thinks Titanfall 2’s single-player mode will help in keeping the player base higher compared to the first Titanfall.

PSLS: Do you think the introduction of a single player mode is going to help with keeping the player base a little higher than last time"
Jon Shiring: I think there?s a lot of different types of people out there, and single-player games appeal to an audience who might not have bought a multiplayer-only game. Then there?s people in-between, who like single-player and multiplayer. One of the big things is that having single-player is going to [let us] have more people coming into the game at launch, and so there?ll be an uplift on everything. There?ll be more people playing, more people there to join your Network, to party up with, play online with?So yeah, I think single-player will help, even for people who aren?t interested in multiplayer, or who don?t think they?re interested in multiplayer. So it?ll help, but that?s not necessarily the main goal of the single player campaign. What we really wanted to do is create a really different and offline single player experience. So ?Mo? can...