【實用遊戲app】Summon Tower|最夯免費app-綠色工廠好玩App

【Summon Tower】NOW AVAILABLE on iOS!◎BackstoryOnce upon a time, 「X-boys」, a race with a X in their chest, lived insular lives in Mindland.One day, a watermelon dropped from the sky, and all of the X-boys believed that was a gift from God.The appearance of the watermelon made X-boys excited and cheerful, but they had no idea about their lives would be changed since then. . . . . . .◎Due Hero SystemChoose two heroes for offence and defense heroes according to their unique skills!Different combinations of heroes will bring different chemical effects.Just try more combinations and find your favorite!◎Friend AssistChoose a friend in Facebook for assist, and the offense hero of the friend you picked will fight for you in the next battle!Just invite friends in the Facebook for joining the fun!◎Upgrade SystemUpgrading X-boys not only makes them more powerful, but also changes their appearance after getting the max upgrade level!◎Queue systemAccording to the different enemy ,you can set several kinds of X-boy you want by queue system.If you want change the X-boys setten in queue, just tap the clear button to reset.◎Special Challenge ModeIf you are an expert, you can’t miss the challenge mode and ironman mode .You need to finish in time limit or some tough conditions