How to own many items in the game?

Currently, the game owns 2 in-game currencies: Silver and Gold. Silver can be earned during the game and the Event. Gold can only be exchanged by real money.

With a capacity of about 1.7GB, the game is not heavy at all. Because part of the game's configuration has been minimized, the game is rated as medium-light.

Does the game have a co-op mode?

Currently, the game does not support the feature of competing with friends, however, the game developer always updates regularly, so the co-op may be updated gradually sooner or later.