Should Have Said is an overlay for an open scene where the performers are tasked with immediately responding to audience input. Regardless of how rambunctious the audience is the performers must struggle to keep a narrative arc.
Options is a handle where the performers are kept nimble by having to incorporate offers from the audience throughout the scene. The goal of the performers is to continue the narrative arc of the scene. Most offers will be helpful to the narrative, others will be zany and destructive.