Nice game demo! I enjoyed it, but I felt like it could use some more balance and tweaking, maybe more abilities. I found myself unable to keep up with everyone's rapid decline in health, and ended up just focusing on one person for as long as possible. Maybe calculating the score as a sum of each blue person's survival time would make it less tempting to let everyone else die.
The sound and feel was great, though, and I enjoyed the slow motion at the end.