XCOM: Ultimate Collection (PC Digital) $11.91 @ WinGameStore – reg. $148 – Lowest Price Ever / Limited Time

WinGameStore
For comparison, the lowest price ever for just XCOM 2 Collection alone was $14.24

• XCOM: Ultimate Collection (PC Digital) $11.91 $224.89
  • Includes
    • XCOM: Enemy Unknown – The Complete Edition
      • XCOM: Enemy Unknown (2012)
      • XCOM: Enemy Within Expansion (2013)
      • Enemy Unknown: Elite Soldier Pack
      • Enemy Unknown: Slingshot Pack
    • XCOM 2 Collection
      • XCOM 2 (2016)
      • XCOM 2: War of the Chosen Expansion (2017)
      • XCOM 2: War of the Chosen – Tactical Legacy Pack
      • XCOM 2: Resistance Warrior Pack
      • XCOM 2: Anarchy’s Children Pack
      • XCOM 2: Alien Hunters Pack
      • XCOM 2: Shen’s Last Gift Pack
    • XCOM: Chimera Squad (2020)

GameBillet

• XCOM 2 (PC Digital) $3.79

Visit the Steam Store page for more info
The Ultimate Collection is issued as a single Steam key that includes all bundled games.