Hello Blake H., Are you trying to launch them using a bookmark? If so, please try to close all windows and tabs of your browser. Then open your browser up and try to access it from your list of Games. If you are still having this issue, please carefully work through the following steps of our guide to Solving Technical Issues : Step 1: Make sure to use the right browser Please check if these issues persist when using both Chrome and Firefox. Step 2: Ensure that there are no extensions/addons interfering with Roll20 Please disable all add-ons/extensions. Step 3: Clear your cache If none of the above succeeds, please thoroughly work through all of the requested information in Step 4 . (Don't forget the complete Console Log!) Thank you!