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可在安卓获取Merge Crystals: Protect Front Line的历史版本
欢迎来到保护前线的空闲塔防世界!
Merge the crystals and protect your front line!
Click your Level 1 Crystal to the other to merge a Level 2 Crystal.
Merge your Crystals to a higher level and move your Crystals to the Turret Grids fight against the Zombies.
It will be a challenge for you when your reach higher levels.
The Tower Defense game (TD) is endless - fight against infinite number of waves for as long as you can!
And we will offer more exciting FREE events for you soon!
Last updated on 2019年11月27日
Brand new version! Fight against the zombies to guard the last defense of humans!