The video game, Titanfall series was the game made by Respawn Entertainment prior to Apex Legends.
Explanation:
Respawn Entertainment has developed many video games such as Titanfall series and Apex legends etc and is about to release Star Wars. Titanfall series is a battled based video game for free available for Microsoft Windows, PlayStation 4 and Xbox 360 on March 2014.
Titanfall series has won many awards including the Best of Show awards as well as at Games com and also in Tokyo Game show. It was a successful game and there was a subsequent release of Titanfall 2 series also on October 2016.
There was an expectation for the release of Titanfall 3 series. But Respawn Entertainment chose to release Apex Legends instead.
