I don't want to be a downer, but i didn't like it very much.
I know this is probably a work in progress so i will try to be a little gentle.
This is my opinion so far.
-Goomba should point forward or have a greater rate of fire, since having to move and shoot at the same time to aim forward is kind of annoying.
-From a conceptual point of view... koopa troopas shouldn't be allied with Mario. Toad, on the other hand, as the regular enemy cannon fodder would have been more fitting.
-Technically, it works as a game but it's kind of bland. Maybe if you added some power ups or something of that kind.
Anyways, it was still kind of entretaining so i think you could get a better result with the gelp of the critics on this site.
Best wishes and happy holidays.
This track is great! It is simple yet powerful. You can feel the adrenaline rush in a retro style! Nice loop.
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