No continue stages such as Cyclone stages and Manic stages which are mostly RNG are what most Battle Cats players despise! You can see the rage most players experience here:https://www.youtube.com/watch?v=WiQ9uYYOXgE Not only that there is also a rare chance that it will give you a drop reward!

P.S: I'm not saying that PONOS should get rid of the levels that have RNG. What I'm saying is that PONOS should make these levels into stages that you can use cat food to continue