Is game proper noun or common noun?

The Word 'games', the plural form for the noun 'game' is a common noun, a Word for any games of any kind.

A proper noun is the name of a specific person, place, thing, or a title; for example:

• Games Street, Fig Tree Pocket, QLD Australia or Games Village Road, NTPC Permanent Township, W Bengal, India
• House of Games (hobby shop), Fremont, CA
• GamesMagazine, Northampton, UK
• "Funny Games", 2007 movie with Naomi Watts, Tim Roth