Gen III --- Red Rescue Team(GBA)/Blue Rescue Team(DS) Don't know why they're on separate systems.
Gen IV --- Explorers of Time(DS)/Explorers of Darkness(DS)/Explorers of Sky(DS) Explorers of Sky was released at a later date.
Gen V --- Gates to Infinity(3DS) People think Gates to Infinity is Bad, but I don't. c:
Don't know if this list needs checking. Others will correct me. Hope I helped!