This is mostly a 1Vs1 fighting game. Yet more exotic variant may occur such as IK+ which is 1vs1vs1 game.
Exemples Examples include :
*Barbarian (from Palace software, violent beheading sword fights)
This is mostly a Player vs many enemies configurations, often involving scrolling through levels and levels Boss, and saving a sexy girl before she gets raped or even worse.
Exemples Examples include :
*Double dragon