During the pre-opening, you can challenge it to test your skills. Your current strength will be scored and your highest score will be recorded as your "High Score".

[What's Infinite Dungeon?]
Infinite Dungeon is a dungeon where you need to defeat all the enemies on the current floor within the time limit and keep going to the next floor.

[Rules]
Defeat all the enemies on each floor within the time limit.
1 minute will be added to the time when you clear the current floor.
Challenge your limits and see how far you can go!

[Drops]
Defeating enemies on the current floor will make them drop items.

Basic Material: Infinite [Element] Shard
Top Material: Infinite [Element] Crystal

1F-30F: Basic Material x1
31F-40F: Basic Material x2
41F-50F: Basic Material x3
51F-60F: Basic Material x4
61F-80F: Basic Material x5, Top Material x1
81F-90F: Basic Material x5, Top Material x2
91F-100F: Basic Material x5, Top Material x3
101F-110F: Basic Material x5, Top Material x4
111F onwards: Basic Material x5, Top Material x5

The drops can be exchanged into gear and items to raise the level or enhance your character at the Exchange Center.