To get the batteries.first they are in the desk on the same floor as the skeleton.BUT you need to find the KEY first.so to get the key:(1)take a bone from the skeleton.(2)find the old cloth.(3)go down the stairs and into the room with the pipes.(4)soak the old cloth take them down the other set of stairs.(5)find the furnace.BUT if you notice to the right of it and click on the small box which will tell you it needs a lever.thats where the skeleton bone comes in.(6)place the wet old cloth on the red wheel on the furnace.turn it.get inside.(7)the key is on the ground.ALSO if you click on the wall inside the furnace you can remove some of the "ashes" from the wall and find "4" numbers.BTW get that number wrote down somewhere you WILL need it.and thats how you get the batteries for the flashlight.you're welcome. SO RATE THIS COMMENT SO IT CAN HELP OTHERS.
Past level 16, didnt break a sweat, you need 12 ninjas, combine them at first in 3 ninjas (3 x 4) ninja with an axe. Before that you need to repeat at least 10 lvls twice before you can 'attack' lvl 16
Where is fun in this type of game when all you need is scroll down and see the next move. Instructions of the game are as follows: Point and Click with the mouse to explore.
I have a bad internet connection and I sometimes wait for an half an hour or an hour just to play because game loads slowly, but it's worth it! There is something in that game that made it so addictive, easy playing TD. :)