An instantly recognizable form of Death Course. Three things must occur in conjunction: * A long segment (sometimes an entire level, especially if it's a Side Scroller) through which the player must travel to reach their objective; * A hazard that occurs at regular, predictable intervals, which will belay or injure the protagonist in some manner (sometimes even a One-Hit Kill) if he's caught in the open when it strikes. * A variety of "safe" zones scattered throughout the area, behind which the protagonist can take cover to avoid the hazard in question. Examples of Corridor Cubbyhole Run include: