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One of the unusual design aspects of the spider robots is the "panic response." They are designed to curl into a "foetal ball" when sensing an imminent tumble, pulling their legs and arms close in to protect the central electronics and energy storage systems, as well as minimizing damage to the spindly legs.

Bouncing down to the bottom af a steep slope in lunar gravity should not prove excessively damaging, and most would be able to right themselves and climb out again.

Most damage to their arms and legs should be repairable by simply replacing the damaged unit. These actuators are after all, interchangeable. Mechanically, the robots should enjoy a long service life. My primary concern is the battery system. There is no way to predict its longevity under these conditions.