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XCOM: Enemy Within (PC)

Turn-based tactics get a whole new layer of threat and experimentation in XCOM: Enemy Within. Built for players who want deeper strategic choices and more ways to reshape their squad, this expansion takes the core XCOM: Enemy Unknown experience and pushes it further with new soldier augmentation systems and powerful robotic combat units.

At the heart of the expansion is the ability to gene mod your forces. During missions, players can collect Meld on the battlefield, then use it to enhance soldiers with additional powers. These modifications change how squads approach encounters, rewarding careful planning around which troops to evolve and when to deploy them. The tactical battlefield becomes not just a place to survive but a resource-driven arena where momentum can shift as you convert risk into capabilities.

Enemy Within also introduces MECs, formidable robotic soldiers designed to bring a different kind of firepower to the field. Like the gene modification system, MEC creation is tied to Meld collection, which means every mission can influence your long-term build options. This creates a compelling loop of battlefield objectives, squad management, and evolving combat roles, all viewed from the classic isometric bird view that defines the XCOM tactical style.

Beyond character growth, the expansion adds new tactical maps and expands multiplayer options, giving both solo commanders and team strategists more variety in how engagements unfold. Whether players are refining their unit compositions for single-player campaigns or coordinating tactics in multiplayer, the added content encourages experimentation with different squad setups and battle plans.

Important note for PC players: this expansion requires the base game XCOM: Enemy Unknown. For console versions, it can function as a standalone expansion. Developed by Firaxis Games and published by Feral Interactive and 2K Games, XCOM: Enemy Within remains a key upgrade for fans of science fiction, action-heavy turn-based strategy.

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Game Details

• Genre: Strategy, Turn-based strategy (TBS)
• Release date: 2013
• Developer: Firaxis Games
• Publisher: Feral Interactive, 2K Games
• Game modes: Single player, Multiplayer