I accidently purchased 2 games while in a free application, how do I get a refund for them? Can I?

If you mean you purchased it by mistake... you can try and get a refund...

Contact the Mac App Store Customer Service:

http://www.apple.com/support/mac/app-store/contact.html?form=account

Contact iTunes Store Customer Service:

Apple - Support - iTunes Store - Contact Us

But it is stated that all Sales are Final...

iTunes Store: About In-App Purchases

http://support.apple.com/kb/HT4009

iOS: Understanding Restrictions

http://support.apple.com/kb/HT4213

If you haven't abused things, you may get a OTE by contacting iTS.

iTunes Store Support

http://www.apple.com/emea/support/itunes/contact.html