No, there's no need to download anything at all. All games in our databases are browser-dependent and don't require any download or set up. Having said that, some more mature games have to have Flash player, so you might have to set up it if you want to play some https://colab.research.google.com/drive/1KVqOW6gAvrbPtK3-dH-IVqvYT-UdjZlb?hl=bn