Dear Headmasters, Following the release of the hotfix earlier today, we've found that the achievement 'Relentless Research' still has some issues therefore another emergency patch is out to address this problem. [b]Note that since we're unable to edit the data that are already recorded, this hotfix will only apply for the new save file. Please don't hesitate to contact our support team at qa@pathea.net and we'll try our best to provide solutions to your save file[/b] Appreciate so much for your understanding and support!