Evil plants have taken hostages humans. As you move through each level, eliminate the alien plants and help your fellow human beings. You have the responsibility to make alien life more friendly. You are the commander of the space troopers and responsible for weapon upgrades as well as enrollment. Shoot aliens when they aren't watching, and save all hostages from extraterrestrial plant invasions. Some of these plants are explosive. Shooting bomb plants can help you eliminate aliens and find valuable minerals. Keep your distance because the explosive could also hurt you. As you progress, you will earn money to buy better troops and more. You can use your laser gun to build up troops that can be upgraded in order fight all alien forces and save the last survivors. You have to eliminate all hostiles and rescue all civilians. Do you think that you can accomplish this?
How To Play City Siege 4. Alien Siege