Colossus Mission - adventure in space, arcade game

Colossus Mission is a 2D arcade game set in a space. Discover secrets of the odd spaceship, who unexpectedly entered Earth orbit. When a huge alien spacecraft enters low Earth orbit many nations send their teams to investigate it. Your crew is the only one who managed to get inside the colossal vessel. Now the exploration and research rests on your shoulders. Defeat levels to learn more about the spaceship and its members. Your piloting skills will be tested as this is not a friendly environment...