The term "hot" in the context of comet showers usually refers to the physical phenomenon of .

Before clicking any “comet shower games unblocked hot” link:

: Protecting Earth or a space station by shooting down incoming comets.

Many teachers use Google Sites for class projects. Indie developers have realized this. Search for: "Comet Shower" site:sites.google.com You will often find hidden pages labeled "Physics Simulation: Gravity Wells" that are actually full-fledged comet dodging games.