It is a mix between 3rd person shooter, Tower Defense, and Gauntlet Legends game play.
Right now we have the basic framework and a few weapons working, and just need people to test out the installation, UI and level loading systems. The alpha will also come with the tutorial map, so there will be a few monsters for you to shoot.
Here are a couple early prototype videos:
I'm still working out a few kinks, but I am hoping the Alpha will be ready by the end of the week (interpreted as Friday night midnight).
To 'sign up' for beta, just go to bunzaga.com, register, and then post a reply in the Marine Defense forums topic 'Marine Defense Alpha Sign Up':
http://www.bunzaga.com/index.php?option=com_ninjaboard&view=topic&id=4&Itemid=6
I will then add your username to the Beta group.
Thanks in advance, and I'm happy to answer any questions people might have about me, the game, the engine we are using (World Weaver), etc.