High Alert features four 12-card expansion packs:
– Heroes contains new multi-faction hero cards.
– Invasion features new ships and bases with Double-Ally abilities.
– Requisition contains new ships and bases which cost less to acquire for each card of their faction you have in play.
– Tech features new Tech card type, which grants you special abilities that you may activate on each of your turns.
Each display contains:
6x High Alert: Heroes
6x High Alert: Invasion
6x High Alert: Requisition
6x High Alert: Tech