Shadow Vault - PC An epic sci-fi storyline immerses you in the game, as you fight through 20 game levels Choose from over 30 units and characters to control -- or battle against them in turn-based war gaming Draw from over 30 unique abilities, along with 40 different actions to enhance or update your units Fully destructible environment -- buildings can be destroyed or used for cover Advanced AI reacts to player's strategy, for more challenging gameplay