i think for the friend of nature medal, you have to jump over bear, mushroom, fire, rabbit, fox, wolf in one single game? lol. ok, how do you get master of suspense lol
This is what Dr. Raymond Burr's daughter goes through in the seconds being fused.... + if you get the reference :D Or Technological Terror goes through...
The only hard part of this game might be damage and dynamiters lol. if you just spam asd you might get defend and combo that blow enemies back... and save money to buy the max upgrade from otto shop, they're better than the drops anyways lol.
to get the last badge, simply play the level named "Final" when it appears. Just heads up that you might want to spam gunship and interceptors as well as whatever mediums and at least 1 colossal you have...