Open your Google Chrome browser, type chrome://plugins in the address bar and press Enter. Scroll down to Plugins. Here you can select Disable, Enable Adobe Flash Player and also check the Always allowed check-box, if you wish. Now close plugins page and return to the game page. If you reload the page, flash emulator should now start normally.
From your Mozilla Firefox menu, select Addons. Under Plugins, select Shockwave Flash. From the drop-down menu, select Ask to activate, Always activate or Never activate, as you desire.
To check if your Flash Player is enabled by Internet Explorer, from the top right corner open Settings > Manage Addons > Toolbars and Extensions. Here, ensure that Shockwave Flash Object is Enabled. Flash Player is also referred to as the Shockwave Flash Object.