Just merged version 0.8.1182 to the live build.
See in game patch notes for all the changes since the previous version (0.8.1055)
Quick recap of the main changes:
- Added defense mode
- Added local co-op (not in defense mode yet)
- Added Linux support
- Added Mac support
- Added some missing perks
- Added ability to enable/disable some perks
- Added achievements
- Bunch of minor fixes/tweaks/additions