Beta

The Beta milestone is reached when the team believes that the game would be successful if shipped. Beta is when the game recieves its final ESRB rating. After this milestone, assets are no longer polished, and only "show stopper" bugs are fixed.

Previous Milestone: http://videogamebuzzwords.wikia.com/wiki/Alpha

Next Milestone: http://videogamebuzzwords.wikia.com/wiki/Release_to_Manufacturer_(RTM)