Boring with a capital "B"

I had this app for only a few minutes and bored as heck already. Also way too hard and not enough time. Only 1 minute for level 1?! Shouldnt there be like 3 or 4 minutes or even unlimited time on the levels?! And, if not, less time as levels get harder. It will download though, and I gave it ⭐⭐ stars for the graphics.

Pink Unicorn32 about Zombies vs. Steamroller + Bulldozer : Puppy Rescue 3D Racing Simulator