The string "xcom2warofthechosenupdatev20181009incl exclusive" likely refers to a specific distribution of the XCOM 2: War of the Chosen - Tactical Legacy Pack , which launched on October 9, 2018

: A new mode allowing you to replay any tactical mission with specific squad compositions and challenges. Strategic & Tactical Enhancements

Reimagined Gear: Unlocks classic weapons (conventional, laser, and plasma) and armor (Kevlar, Carapace, and Titan) from the first game for use in the main single-player campaign.

The "Tactical Legacy Pack" DLC is typically functional within this specific build. Cautionary Note

XCOM 2: War of the Chosen – Breaking Down the v20181009 Update