
Get the key and jump out of the vent there. Follow it to the end where you will find the YELLOW KEY. Keep going straight in this shaft, it will go down and then back up.
Once in the vent, keep following it until you can make your first right turn. When you enter, go straight ahead and to the right you will see a vent near the floor get in it.
When you exit this elevator, turn left and go staright ahead into the door with a 'security' sign next to it. You will ride this elevator up to the second floor. When you exit the elevator, turn around and go into the elevator that is directly beside it. At the bottom is a welcome sign, go left here and take the elevator up to the first floor lobby entrance.
When you get off, go right and down the escalator.
When you begin, hit the button to call the one-way train, and ride it to the other end. This walkthrough is based on the Let's Rock (normal) difficulty. So sit down and buckle up, this may take a while! The aliens are already there, so make them appear in the "Extinct Species" exhibit. Have fun and show this site to your friends.Now that the FBI has been taken care of, Duke heads to the museum. We give you the opportunity to have fun and remember good times with these old console games. We try to bring all the old games here from Arcade Machines, Game Boy, Game Boy Color, Game Boy Advance, Nintendo Entertainment System (NES), Super Nintendo, Sega Master System, Sega Game Gear, Sega Mega Drive/Genesis and also old MS-dos games. Please note that we have introduced games on a large scale and have not tested them. Take the opportunity to know the other old games, as we have thousands for you to try. This great game for MS-DOS can be played in your browser for free and without any installation, just press "Play now". You can now play Duke It Out In Dc online on our website.