The games are straight-forward arcade ports, with the addition of certain "goals" for the games, which act like achievements. Clearing these goals unlocks hidden features in the disc, such as artwork, music, move lists (for the fighting games) and gameplay videos (which showcase hidden locations within the games.
Gameplay is straightforward: simply play through each game to earn points, beat bosses, and clear levels. The arcade mode is where you'll spend most of your time, with some minor variations for certain games.