Alien Breed: Impact | Mythic Sword

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Alien Breed™ Impact is an explosive science fiction arcade-shooter that resurrects a much revered franchise with an epic story, swarms of highly intelligent alien enemies, high-impact weapons, highly detailed and rich environments; all implemented with superb technology in a state-of-the-art gaming experience. In addition to the thrilling single-player campaign mode, the game also offers a relentless, action-packed, online two-player co-operative battle mode.
Key Features:

Alien Breed is back! - An action-packed mix of arcade-shooter, survival-horror and tactical weapons upgrades and customisation.
Epic single-player story mode - The single-player campaign mode that follows the narrative of the game through five huge and challenging environments.
Single-player free-play mode - A single-player challenge mode – beat your high score on a previously completed campaign mission.
Two-player co-operative play mode - Work together to defeat the alien horde across three specifically customised maps.
Additional Steam online features - Quick Match, Create Game, Friends Lists, Voice Chat, Leader-boards and Co-operative Achievements.
FREE TRIAL - The "Prologue" sample section – a specifically designed introduction to the game; play in either single-player or two-player online co-operative mode.
NEW – Upgrades shop - Search fallen comrades and lockers to accumulate cash, and then tactically spend it on weapons/kit upgrades in the shop.
NEW - Enemies - Re-imagined and improved Alien Breed enemies.