Namco Museum DS Hints & Cheats
Secret Game - Super XeviousGo to Xevious, then press Settings (2). Hit "Hardcore Options", and hit Xevious Version. Choose "Super Xevious", and touch "Confirm".You will now be able to choose Super Xevious from the arcade and Score Attack menus.Super Xevious is a more difficult version of Xevious that was originally given a limited release.
Dig-Dug 2 Old VersionGo to the Arcade Menu then go to Dig-Dug 2. Go to the menu by touching the screen or by pressing L+Start. Go to Settings (2) and then go to Hardcore options. Press "New Version" and switch it to Old. Now when you go to the Arcade Menu you can choose Dig-Dug 2 Old version.
Hints & FAQs provided courtesy of GameFAQs.
Namco Museum DS Navigation