Defend the Center: Merge TD
Roguelike Tower Defense game
About
Defend the Core from endless monster waves in this addictive Merge Tower Defense game. Combine identical towers to create stronger defenses and strategically place them. Level up with random skill cards to change the tide of battle.
What's New in Defend the Center
1.21
February 15, 2026
Bugs Fixed a bug where the tower selection window would not close Fixed a bug where Sword Wind's upgrade skills were swapped Other minor bug fixes Changes Changed the Barricade Tower's base ability from duration to DoT damage Changed the Barricade's upgrade skill "Wall of Lamentation" from DoT damage to double size
MoreIn-App Purchases
$6.99
Dungeon Key 2
Dungeon Key 2
Developer apps
FAQ
What is Defend the Center: Merge TD?
Defend the Center: Merge TD is a mobile game where players defend a core from waves of enemies by merging and upgrading towers. It features roguelike skill choices and a Dice Dungeon for acquiring resources.
How do you upgrade towers in Defend the Center: Merge TD?
You upgrade towers by merging two identical towers to create a more powerful version. This strategic merging is a core mechanic for building your ultimate defensive line.
What is the Dice Dungeon in Defend the Center: Merge TD?
The Dice Dungeon is a special challenge mode where you roll dice to obtain rare resources and items. These can be used to further upgrade your towers and overcome difficult levels.
Does Defend the Center: Merge TD have ads?
Yes, Defend the Center: Merge TD contains advertisements. This is common for free-to-play games that offer in-app purchases.
What devices does Defend the Center: Merge TD support?
Defend the Center: Merge TD is available on iPhone, iPad, and iPod. It is designed for iOS devices.
What is the age rating for Defend the Center: Merge TD?
The game has an age rating of 12+, indicating it is suitable for players aged 12 and older.
How often is Defend the Center: Merge TD updated?
The latest version, 1.21, was released on February 15, 2026, indicating a relatively recent update. Further updates may occur periodically.
What are the main gameplay mechanics in Defend the Center: Merge TD?
The core mechanics involve merging identical towers to create stronger ones, strategically placing them to defend against enemies, and making choices from random skill cards upon leveling up.