Simplify the following text for a Grade 8 native English-speaking person.
Original: PokÃ mon Mystery Dungeon : Blue Rescue Team and PokÃ mon Mystery Dungeon : Red Rescue Team are a type of Rougelike video game 's developed by Chunsoft and published by Nintendo .
Simplified: PokÃ mon Mystery Dungeon : Blue Rescue Team and PokÃ mon Mystery Dungeon : Red Rescue Team are a matched pair of PokÃ mon games for the Nintendo DS and Game Boy Advance , respectively . These two games were developed by Chunsoft and were published by Nintendo .