*** OPT-IN ***

This is a small balance patch, most focused on all the new tower upgrades.

• Railgun damage upgrade now increased the cost of railguns by 50%.
• Decreased the spread rate of the Corrosion Mortar infection upgrade.
• Removed the Amplifier's metal interest upgrade.
• Pulse Cannon stun upgrade chance was increased slightly.
• Ion Cannon shield damage was increased significantly.
• Fixed some typos.

How to Opt-in:

• Select Siege of Centauri in your Steam Library list
• Right-click and select Properties
• Select the BETAS tab
• From the drop-down, select opt-in and click Close. 
• Steam will automatically pull down the changed files. To opt-out, just do the above but select default from the dropdown.

If you don't see opt-in in your dropdown, restart Steam.