The latest update adds the ability for twitch chat to control a group of enemies. This looks extremely cool in small chats, when you have 5-10 people controlling groups of enemies, all dressed in the same costumes.
Added twitch army control
Tweaked the Survival Achievement to be 20 waves instead of 30
Tweaked the balance
Tweaked the wave spawner
Lots of small bug fixes, thanks for reporting these!