Waterfall is Undertale's third area and middle point ... so run to the right and keep to the bottom of the path, moving upwards every time she throws them to avoid being hit - if one does catch ...

Hotlands is the fourth major area of Undertale, following on from the Undyne battle and Waterfall area ... and the goal is to clear a path through the blocks to shoot the ship opposite you.

and secret in Undertale. Once you've lit up all the mushrooms in the dark section in Waterfall, head on the southern path to find Temmie Village. This is home to the temmies and also the best shop ...