Play City Siege 4: Alien Siege
Please wait while game is loading
This ad will close automatically in 10 seconds
Click Stars to rate
- (5 Avg.) 3 ratings
- 3675 plays
Kill evil alien plants and get back your valuable gems with lots of weapons at your disposal. Also save some humans who are being held hostage by enemies. Use arrow keys or W-A-S-D to move, move mouse towards screen edges to scroll the map.