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Just like the previous city siege games, City Siege 4 (full name: City Siege 4: Alien Siege) is also a platform army game type. In this one, your main goal is to destroy and defeat all of the aliens, save the civilians and obtain crystals to upgrade your army units.
Go through a total of over 20 levels to face more and more difficult tasks and missions, with increasing enemies and more civilians to save. You can even purchase numerous kinds of weapons with different damage levels, yet if damage levels are too high, it can result in killing the normal citizens and not being able to collect any crystals. So, you have to choose wisely.
City Siege 4 is a well-designed shooter game with interesting multiples level for you to play in your free time. Worry not about having to stop at midgame, City Siege 4 has online data saving, so you can come back and keep playing afterward!
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Use either Left and Right arrow key to move back and forth, or “A” and “D” key.
Use up arrow key to Jump.
Use left Mouse click to shoot at aliens enemies.
Control of City Siege 4
Upgrade your army units regularly.
Do not use many high damaging weapons as they can wipe out civilians and crystals.