BAD DUDES: "President Ronnie has been kidnapped by the ninjas. Are you a bad enough dude to rescue Ronnie?" The Bad Dudes must pursue the ninjas through the streets of New York City, a moving big rig truck, a large storm sewer and much more, in order to save President Ronnie.
TWO CRUDE DUDES: Play one of two hulking mercenaries hired by the American government to stop the 'Big Valley' terrorist organization. Take back control of post-apocalyptic New York City.

More details on the official game page of Retro Classix 2in1: Bad Dudes & Two Crude Dudes ...