The gameplay of Diamond and Pearl are much the same as previous PokÃ mon games . The player starts the game with one PokÃ mon , and catches more PokÃ mon using PokÃ Balls . Like previous PokÃ mon games , Diamond and Pearl chronicle the adventures of a young PokÃ mon trainer as he\/she trains and battles PokÃ mon while also thwarting the schemes of a criminal organization .