Stop the endlessly pouring monsters.

An ever-growing army of monsters is rushing toward your slot. 

Survive amidst mounting difficulty with strategic unit placement and stat enhancement.

Powerful bosses, each with their own unique gimmicks, are also waiting for you.

Acquire new heroes and complete your own party.

Collect and grow heroes of different classes, including Warriors, Archers, Mages, and Supports.

From Rare to Epic and Legendary, your strategic options expand with every new hero you acquire.

Combine the heroes' active and passive skills to complete your own ultimate party.

Use the overlay feature to leave it idle while playing the game.

The battle does not stop even while you are doing other tasks.

Watch a party constantly battling on one side of the screen using the overlay feature.

Gold accumulates even while you are away, and when you return, even stronger heroes welcome you.

Test your skills.

Once you are familiar with PvE strategies, test your skills against other players.

You can test your slot strategy in two ways: asynchronous PvP and real-time PvP.