Effect and Cause is the fifth mission of Titanfall 2's single-player campaign. Jack Cooper and BT-7274 explore the ruins of a sprawling IMC research complex in their search for Major Anderson. Using the recovered Time gauntlet, Jack jumps back and forth through the timestream as he uncovers General Marder's plot and the IMC's ultimate reason for being on Typhon.
Following the destruction of the IMC Dynamic Testing Facility and death of Ash at the hands of Jack Cooper, the Pilot and BT-7274 find themselves at the arranged coordinates for meeting Major Eli Anderson. Instead of the Major and the completion of Special Operation 217, however, the duo only finds an abandoned and destroyed ARES Division research facility. Jack and BT decide to split up to cover ground faster, though it isn't long before the Pilot begins experiencing strange anomalies in the facility. Several times, Jack is seemingly transported in time to when the facility was fully-staffed and operational, with scientists and soldiers. Eventually, Jack is able to find the coordinates of Anderson's last position with one caveat; the major is somehow stuck in the ceiling, as though he materialised inside the structure.
Jack is able to recover the Major's helmet, to which BT informs that Jack is now the acting commanding-officer of known Militia forces on Typhon. Jack is then shown a holographic recording of Anderson's briefing by Sarah Briggs.
- Find BT
- Make your way to Major Anderson
- Resume Anderson's mission
- Find the Fold Weapon
There are 8 Pilot Helmets to be collected in this mission.
- According to developer commentary, the secret behind jumping between the past and present versions of the mission is to build two entirely separate levels and just warp the player between the two.
- In the final "freeze frame" of the mission, the NPCs are not placed in custom poses. They are simply copied from other precanned animations and frozen in the middle of them.