Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness

Pokémon Mystery Dungeon: Explorers of Time and Pokémon Mystery Dungeon: Explorers of Darkness are a matched pair of Pokémon games for the Nintendo DS. The two games were released in Japan on September 13, 2007, and were released in North America on April 20, 2008. They were released in Europe on July 4, 2008. A third version, Pokémon Mystery Dungeon: Explorers of Sky, was released in 2009.

Question: is pokemon mystery dungeon explorers of the sky the same as time and darkness
Answer: no