Method 1:
Super Nova Swf EnablerAdd this Extension in Chrome and Play Flash Games Forever.
Enjoy it.
Extension Link
Method 2:
Hello players! The latest version of Chrome (ver. 76) is automatically blocked flash games to all sitesfor every time you restart your browser. Please follow the below steps to unlock flash games in your browser. How to enable flash games?
Use Chrome 50-75
Copy paste the following link into the new tab chrome://settings/content/flash
And change the setting "Block sites from running Flash" to "Ask First".
Restart the browser and play game.
At top right corner click three dots.
Select Settings
At the bottom, click Advanced
In "Privacy and security", Click Content settings
Click Flash
Turn on Allow sites to run Flash
Turn on Ask first.
Also do in Chrome
Click Lock or Info on the web address
Go to Flash
Select Always allow on this site
Reload the page