click on the river to cast a bridge then click off of the river to place the bridge click 1 near your base to summon a knight click 2 near your base to summon a shield guy who protects bridges and slows down enemies. cilck 3 to summon a bomber who rushes to an emeny bridge and destroys it.* enemies bridges are red* I might add more soon :0
when you summon they go to your mouse. press the trash can on the right to delete all bridges. when enemy units die, you receive profit! some of the layers might be broken