Duke Nukem II online DOS game Escape From Alien Abductors! is a side-scrolling platform video game, which is single-player and it is part of a series of the homonymous franchise. The player will take the role of the main character, Duke Nukem, who has been abducted by the aliens to create a new evil plan to control the world, so he needs to escape and save the world. The goal of the game is to collect items and weapons through all the levels and at each one of them, he has to fight some aliens, the bosses, in order to arrive to the end of the game and defeat the final bosses and save himself. He also has to collect some key cards, which will get him out of the force fields and will unlock some doors, to go on with the levels and continue the game.
Wikipedia: https://en.wikipedia.org/wiki/Stunts_(video_game)