Try this dude... it came from a Google Search with the terms "leisure suit larry atm code". It took me less than 10 minutes.
http://cse.stanford.edu/class/cs201/projects-99-00/software-piracy/lsl5copy.gifBTW - They put these codes in the game as a way to protect from piracy. That's why no one will post them. Now, a lot of game makers have switched to cd-keys, which must be validated online. It's a solution, but it really mucks up people who try to sell their games back to a store, or for those that like to buy used games. (i.e. ... cd key is already in use!!!) There is an interesting history of attempts to slow piracy here in this article from a Stanford class -
http://cse.stanford.edu/class/cs201/projects-99-00/software-piracy/copyright.htmlIf you're feeling really brave, you can try a 3rd party program that will "disable" the ATM codes. Make sure that your Anti-Virus is running and is updated. It's located on this site with instructions:
http://www.whdload.de/games/LeisureSuitLarry5.html