A turn-based tactics sequel that flips the script: humanity lost, aliens rule Earth, and XCOM fights back as a guerrilla resistance orchestrating high-stakes, concealment-led missions.
- Developer: Firaxis Games (published by 2K)
- Year/Platforms: 2016; PC, macOS, Linux (later PS4, Xbox One, Switch via XCOM 2 Collection)
- Genre: Turn-based tactics, strategy
- Core mechanics: Concealment ambushes, turn timers and pressure objectives, modular weapon/armor upgrades, squad customization, global strategy layer with contacts and facilities
- Reception: Critically acclaimed for challenge, mod support, and replayability; War of the Chosen expansion widely regarded as the definitive experience