Unity is one of the most used game engines online. Unity asset store and the user community are the main reasons that makes unity so good.
If you are a new user to unity and never bought an asset from the asset store then now is the best time.
If you have no idea what might ve useful. Check out our post on must have unity assets.
If you are looking to make a game with out writing code then see why you should invest on unity playmaker.
Buy some massive assets and develop stunning games.