Check the website to see how to uninstall it. If you can't find it...
Drag the application to the trash.
The Terminal can also delete files you wouldn’t normally be able to remove, and sometimes there’s a very good reason why MacOS tries to prevent you from deleting something. Before going ahead with a force-delete, consider whether removing this file might have a negative impact on other applications, or even your MacBook as a whole. Mac OS X can experience difficulty deleting certain files due to the following (and other) reasons: The file is in use by an application or system process.
How To Delete Mac File
Go to ~/Library/Application Support and trash the folder the goes with the game.
Go to ~/Library/Cache/ and find the cache that is the same or similar to the game name and delete that. (You will probably have to secure empty the trash.)
How To Delete A Game From Microsoft
Go to ~/Library/Preferences/ Find the file name and this time it will end in .plist. Delete the file. This is the file that holds all of the preferences for the game.
How To Delete A Steam Game From Mac

Mac How To Delete Application
How To Delete Game From Macbook
Jun 2, 2011 2:51 PM