This version had got several fixes but now seems to be right. The improvements from the versions before are excellent and fulfill the user's needs. If you want to try to download and see how the final version will look and make it better by submitting crash or any error reports.
For those that didn't know what Unity is here is a short description for it.
First you need to have models (they are made with 3rd party apps) to get into the program and start adding scripts for making the models doing what you like.
For independent developers and studios, Unity’s democratizing ecosystem smashes the time and cost barriers to creating uniquely beautiful games. They are using Unity to build a livelihood doing what they love: creating games that hook and delight players on any platform.
Here you can see a list of games made by Unity, it's a really powerful game engine!