(computing) The duration required by a computer system to complete a particular task.

Communicated as the events being responded to occur; communicated or proceeding without much delay (compare instantaneous, synchronous)

(video games) A warfare video game genre usually played from a third-person overhead perspective, which is based on the real-time movement of troops.

plural of real-time attack

(video games, speedrunning) A non-tool-assisted speedrun of a game that is timed using a separate timer from that of any in-game timer.