Originally thought of doing Real-time Strategy Settled on Tower Defense subgenre instead (less content creation required) It supports co-operative play Controller based rather than keyboard/mouse based Blah Built level editor tool to ease mapping of tiles to background image Level editor in action Level 3 Background Image Level 3 Having Tiles Mapped In Level Editor Audacity used to edit, clean up and add effects sounds Under Creative Commons License www.newgrounds.com/audio www.freesound.org (most effects from here)