To complete the bowl you have to build up to get the drones then use them to stop the water from getting you. I build 2 to start off with. Then make sure you have sams to stop the air attacks. Once you are comfortable keeping the water at bay build another couple of drones and start adding reactors. Then you should be ok
 "Demons vs Fairyland"){kind=icon}
 "Creeper World Training Sim"){kind=icon}
 "GemCraft"){kind=icon}