Microsoft Ultimate Word Games

This achievement will almost definitely come naturally while getting up to level 80. As the achievement says, you need to find 5 words within 10 seconds. That's plenty of time as long as you move quick. This will definitely be easier on a tablet with your finger or a stylus as opposed to a mouse.

One of the more common letter groupings that you can make 5 words with very quickly is A T E within a 2x2 section. When you see these three letters grouped together in a 2x2 section of the grid, quickly spell the following five words:

EAT
ATE
ETA
TEA
TAE

Alternatively, you can just scope out the puzzle visually first, find five words, and then quickly swipe them one after another.

The achievement will pop immediately upon meeting the requirements.