As a general rule of thumb- it's a good idea to restrict the movement of tanks- with blocks, after you use them or get them out of the way

In the room with tanks and a yellow key, try to get all three blocks in that room in a column to the left- in the water....if you hope to do the shortcut./// First get the chip in the room above the flipper, and then push block up in the room with the flipper.

Again, restrict the tank movement with blocks, but direct the fireballs with blocks all the way to the south ice (East/West)slide. You will need to put a block onto the ice slide (first) however right at the FF tile and push the block west off of the fire tile, block needs to go west all the way- to allow for directing fireballs to kill the bombs.

Watch out for the block that protects the tank button- Try to leave it until last- therefore, you will need to find the second to the last block instead.

To go for the shortcut, you will need to know how many chips you have collected. It is possible to get all the red keys in the South West room. You don't have to collect all the chips available to exit the level.

Take only 16 chips per area