No, there's no need to download everything. All games inside our database are browser-dependent And do not call for any download or installation. Having said that, some more mature games call for Flash player, so you might have to set up it if you'd like to play A few of https://colab.research.google.com/drive/1KVqOW6gAvrbPtK3-dH-IVqvYT-UdjZlb?hl=kk