Consumers in the United States and select other regions can now find Minecraft: Xbox 360 Edition at your local shop in the form of a retail disc. The arrival date for the retail release in Europe was already set for the end of this month, but now we have a more detailed schedule for regions across the globe.
June 4: US, Korea, Singapore, Hong Kong, Taiwan, IndiaIf the country you call home is missing from this list, Microsoft promises more news to come on that front. Your other option of course, is to purchase Minecraft on the XBLA marketplace.
June 6: Japan, Australia, New Zealand
June 25: Canada, Mexico, Brazil, Columbia, Chile, Argentina
June 28: UK, France, Spain, Ireland
To answer your question, no, there isn't a seperate set of achievements for the retail disc release.
We've got the full list of Minecraft: Xbox 360 Edition achievements - check the list for guides to unlocking them.