Alpha Box Multi-Purpose extension
The Alpha Box is an extension that has many Games playable within the popup.
1.2.6: There is now extra content, giving access to embedded websites, and a search tool.
1.2.7: I've added a chat feature, allowing multiple users communicate when they have the popup open.
1.2.8 3 New games including slither.io and DragRacerv3 and Gnarshmallow