http://toucharcade.com/2010/12/17/new-fieldrunners-update-to-add-multiplayer-new-maps-and-new-towers/ New towers: Plasma Tower creates combo attacks when used with other plasma towers! Shotgun Tower fires a devastating volley of drill bits. Lava Tower incinerates all nearby fieldrunners in a giant wave of fire.3 new single player maps for both iPhone and iPad 2 maps with versus and cooperative, same-screen multiplayer (iPad only)