Hell Warders - A multiplayer co-op hero defense game

Hi guys. I'm William from Ares Games, an indie studio. Our new game is called Hell Warders - It is a multiplayer Action Hero Defense game where players have to face Demonic armies. It is up to you and your friends to build deadly defenses or find epic weapons to fend off the invasion. It is currently on Steam Greenlight!

You can view our game trailer here: Hell Warders

Our game is still pre-alpha and we really would like your feedback on how to make this game better.
Please give us some feedback!

Below are some screenshots of Hell Warders!