【實用遊戲app】K-571:Behind Enemy Lines|最夯免費app-綠色工廠好玩App

******************************************SPECIAL SALES AT 50% OFF!******************************************-=DESCRIPTION=-K-571:Behind Enemy Lines is a fun little shooter game.Your little digital boat has drifted into enemy waters. You'll have to blast all the geometric enemy ships before they destroy you! Try to collect powerups when they show up, and don't let the enemy ships ram, shoot, or torpedo you. Weapon powerups are time limited, so you'll need to refresh them as often as possible. Cruise around the sea while battling it out with other ships. The later levels get pretty difficult when the bigger enemies and homing missiles come out.-= FEATURES =-- Five types of enemy ships;- Upgradable weapons;- Easy-to-use game control system- Sound support；- Online high-scores;