Combine 40k, Halo, ME and MLP. Featuring Chief, Shepard, Emperor and everyone else in a war of epic proportions.

Twilight, Rainbow and Applejack are sent to a strange world, and are thrust into a lethal game between two gods. Very crossover heavy, featuring Toothless, Harry Dresden, Luke Skywalker, Roland Deschain, Spyro and Cynder.

A servant of a multiverse god is made protector of Equestria's heroes. But his past follows him, and the multiverse is not a friendly place.

A brony gets sent to Equestria. Ironically, so does his family. Hilarity is pending.