arcade video game vs video game

arcade video game and video game both are nouns.

Word	Noun	Adjective	Verb	Adverb
arcade video game	Yes	No	No	No
video game	Yes	No	No	No

As nouns, video game is a hypernym of arcade video game; that is, video game is a word with a broader meaning than arcade video game:

arcade video game: An action game characterised by short levels, simple and intuitive control schemes, and rapidly increasing difficulty.
video game: a game played against a computer

Other hypernyms of arcade video game include computer game.

arcade video game (noun)	video game (noun)
An action game characterised by short levels, simple and intuitive control schemes, and rapidly increasing difficulty.	a game played against a computer