Our Unity based web games use about 700 MB of memory on its Chrome tab. In addition, they use about 200 MB of memory in the GPU process. Customers can see how much memory their Chromebook is using by following these instructions: https://www.samsung.com/us/support/answer/ANS00040957/
We advise 2 GB of RAM as the minimum for all Unity games but 4 GB of RAM is highly recommended. If you have 2 GB you must make sure that the game you are playing is the only application/tab running including extensions.
*We strive to make our games accessible to a wide range of students. Every Chromebook device is different, and we are working to support additional models. If you would like to have your model added to the list, please submit a ticket specifying the make/model and memory for your Chromebook.