UnderDark : Defense v2.5.6 Requires Android 6.0 and up.

What's new in version 2.5.6

- Fixed an issue where Japanese and Chinese text displayed incorrectly.
- Resolved the problem where the quest "Log in to the game once" could not be completed.
- Distributed Bingo Tickets via in-game mail as compensation for update delays.
- Corrected a display error in the Guild Dungeon UI.
- Updated locked Towers to automatically unlock when leveled up.
- Fixed a bug where Elementalist Towers were being unintentionally removed.