- Implemented three difficulty levels for the Campaign
- Implemented a score multiplier for Survivor maps
- Fixed a bug with the upgrades for the Vortex ability
- Abilities can now be upgraded up to level 4 instead of 6
- Changed the size of the swarm ghosts in relation to their multiplier
- When ghosts are hit, they get a red or blue hint (based on whether they have armor or
- The EMP disk color is now blue