What is the second wave of Xcom?

Second Wave is <b>a free DLC add-on</b> for XCOM: Enemy Unknown that allows players to get more challenges and replayability.

Question

Second Wave is a free DLC add-on for XCOM: Enemy Unknown that allows players to get more challenges and replayability.

Hagrid P Hazard · Accepted Answer

Second Wave is a free DLC add-on for XCOM: Enemy Unknown that allows players to get more challenges and replayability.