Tactics & Systems
10 entries in the XCOM compendium.
Cover SystemBehind the wall, the bullet hesitates; behind the wall, the soldier decides.PermadeathEvery bullet that finds flesh is a bullet you cannot un-fire.Morale and PanicEvery fallen comrade whispers a number down toward zero, and zero means chaos—but not abandonment.Research TreeUnlock new technologies to fight the alien threat.Difficulty ScalingEvery tier up means more bodies, more bullets, and less room for error.Global-Map UFO DefenseSpot the craft, launch the intercept, or send your squad to tear it apart.OverwatchWatch the tile, punish the step, hold the line.Squad CompositionSix soldiers, six roles, one chance to survive the alien dark.ConcealmentVanish behind the wall and let their bullets find only air.Critical HitsOne extra percent of luck, doubled into a killing blow.
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