A minor nit about Chrono Trigger's plot. It was actually based on the Chicxulub asteroid impact [1], which caused the K-Pg extinction event [2] and was followed by a severe impact winter. The game itself masterfully explores this event with a perfect dose of fictional flair.

1. http://en.wikipedia.org/wiki/Chicxulub_crater

2. http://en.wikipedia.org/wiki/Cretaceous%E2%80%93Paleogene_ex...