Sifu is a kung fu fighting game that is rated by some PC gamers as one of their favorite titles ever, and Deliver At All Costs looks like a blast, too.

Star Citizen still hasn't been officially released in a finished state, but that doesn't mean it's not worth trying out.

For the next week, the Epic Games Store is offering three titles for free: Deliver At All Costs, Sifu and Gigapocalypse.