Demo updated with new mission!

The demo for Creeper World 4 has been updated! More goodness and another mission.

Creeper World 4 Demo (PreBeta 10.2) changes:

• A new mission: Shaka

• Walls

• New unit models

• MiniMap with alerting

• Ambient occlusion visual enhancement (can turn off in settings)

• Additional visibility options

• Cannon targeting tweaks

• 8 Steam achievements

• Minor balancing

• Updated engine