Changed item count for weapons/armors from 1 to 100.

Added a new level before you get flamethrower.

Adopted the suggestions of user "i love lamp ", to make each level much bigger, without exploding your CPU.

Added killer plant tunnel in level 3.

Fixed text on Alien lab signs.

Fixed lighting in several regions.

Further reduced number of first aid kits.

More decorations in many regions.

Added the Alien lab layer - more to the stories.

Added floors for several regions.

Added a new zombie zone.

Reduced starting number of first aid kits.

Added lights for several regions.

Used a square preview icon.

Uddate PreviewImage.png to be more square.

Update PreviewImage.png

This is the version used to make the trailer video.