getting as many powerup makers and tile removal specials is the way to go. You can have situations where more powerups get created after I just used one
Helicopter co-pilot: "hey I bet you can't hit those geese over there!" Pilot: "oh I bet I can!" steers right towards the flock of geese. afterwards: "What about all the blood?"
that would be awesome if there was infinite randomly generated city blocks and the battles are more interactive or just look like something is happening.
If you go 2 the farthest upper right part of the kitten ruins, one of the kitten statues on the arches has a small golden jewelery on it's forehead, a lot like the one that the pokemon, Meowth has.