test and improve your mental sharpness and speed with this daily brain test game extension. The game is completely unintrusive. Just play it when you want how to use After installing the addon: click on the extension icon to start a brain test game on the new tab start playing! what's new 1. updated content scripts to remove code that the reviewers mistook for potentially unwanted actions 2. security updates 3. performance upgrades 4. Some UI changes for a more natural UX