Quite enjoyable wave shooter. While you admitted to not having the time, this definitely could have done with a little audio… even if only a single music track.
Regardless, I thought the enemy AI was pretty good (save one fellow who ended up stuck in the level geometry and who I was unable to rescue by releasing him from his moral coil).
All in all, very nice game! I ended up playing this on a stream the other day. If you are interested, you can watch me play it here :)