UnderDark : Defense v2.2.7 Requires Android 6.0 and up.

What's new in version 2.2.7

#### Update Details
* Event replacement
* New hero and addition of 4 new towers
* New ranking map added

#### Item Buffs
* Knockback effect added: Axe, Cannon

#### Other Changes
* Artifact presets: Can now save up to 3 presets and improved for easier switching
* Ranking rewards: Added rewards for ranks 101~300
* Added flag change feature: Change your flag in the account popup
* Artifacts can now be obtained during sweeps
* Multi-mode improvements: Hero skins applied and increased difficulty