The game features over twelve different weapons and defenses, including laser towers and cannons, as well as over six unlockable airships while can deliver them to higher ground. Players also choose one of four characters, each of whom have their own perks. The Prince, for example, heals his buildings slowly.
The game features a 20 mission campaign, as well as local and online multiplayer (which may be delayed as a patch.)
Gamers can check out the Steam Greenlight page.