Tutorial:RAT!

So you wanna know how to fight the rat well here's a step by step

1.Get 1,000 Spiders

2.Beat level 5 at any difficulty (i would hope this is already done)

3.choose the difficulty all the way on the right on level 5(ALT)

4.Buy rat item

5.go to level 9 and choose ALT difficulty

6.Enjoy fighting your rat might take you while I suggest stocking up on lives