Get ready to build your path through this immovable wall. Birds have to walk through, but walls are made of concrete. Each hit takes one unit out of you. Collect chicks and find the most vulnerable spot in the wall. Get bonuses and earn points for records.
Dodge obstacles. Climb tower....
Upgrade attacks. Clear stages....
Fight and win. Unlock skins....
Earn tips. Manage cars....
Explore story. Click and select....
Enjoy transformation. Use tools....
Rescue girl. Blow core....
Use shotgun. Eliminate enemies....
Edit screen. Complete levels....
Destroy swarm. Shoot aliens....
Shoot and hide. Replenish health....
Survive hell. Fight on front....
Enjoy quest. Click to lead....
Collect money. Charge vehicle....
Choose a spot. Connect things....
