Disgaea Makai Collection is a game for mobile phones. It's a card based game that allows players to collect and use various cards featuring the Disgaea characters.
In Disgaea Makai Collection, you collect cards that feature Disgaea characters and use them to fight monsters. Currently known cards include main characters like Laharl, Etna, Flonne, Adell, Rozalin, Mao and Raspberyl as well as generic classes like the Male Warrior, Succubus, Samurai and Nekomata.
Players can use their collected character cards to battle against monsters. Your cards can level up as they defeat their opponents.