Question

Is arcade a common noun

Answer 1

Yes it is. A proper noun would be a name such as Jack while a common noun would be school.

Answer 2

Common Nouns Do Not Get Capital Letters
Unless it starts a sentence or is part of a proper noun, a common noun is not written with a capital letter. Look the following examples..

Common Noun Proper Noun

car~Ford Focus
lake~Lake Baikal
material~Harris Tweed
ocean~The Atlantic Ocean
restaurant~Burger King
soldier~Corporal Jones
supermarket~Walmart
tea~Earl Grey
games~Arcade

Games would be a common noun as Arcade is the proper noun...


Hope this helps