I like how they upgraded the boss in level 10 with two bulletproof purple ball shooters. What I like to see the most is that the guns shooting the purple balls actually tilts towards each other and the purple balls intersects each other.
And some of the bosses let us to move alot lesser than we do in xbox such as the stomping boss at the end, the latest boss etc. in xbox they let us to like move for 2 of their attacks but in pc it only allows us to dodge in our positions like once
The second layer for level 19 boss is the hardest because he has the bulletproof purple ball shooters and the ginormous bomb that you can't let hit the ground or else the blast radius will kill you no matter how far you are away from it.
Playing this game on pc is not easy because aiming to the left or right to kill nearby enemies that are on the ground will make the tank move towards them so me and my father struggled to pass level 9 with the heavily armored truck.
What used to annoy me about the level 3 is that the war blimp would send the meteor tractor beam and the roto mines at the same time when playing on computer.