Version 2.1 of the module includes these revisions:
- Updated for Vassal 3.2
- New toolbar graphics
- All tunnel segments now go from hex center to hex center
- Improved masking for Arachnids and Humanoids
- Added customizable phases to Turn counter
- Stun status added to Terrans
- Term 'Skinny' changed to 'Humanoid'
- Fixed issue where Humanoid counters could not be flipped
- Added Master and Queen counters
- Various small improvements and corrections