Well, many Taito games have some sort of codes you can type to get items or power-ups and as far as I know they're all legal, if they worked on the original arcade machine as well (even the 10k bags code in rainbow island).(posted 8465 days ago)If you want to get some more information just point your browser to:
www.tjasink.com/games/ri/index.html www.bubandbob.com www.gamefaqs.com