[GAME] Hungry Bacteria - Arcade game/Improvements

[anon(10689153)]

Hi,
I'm developing simple game and looking what small tweaks I can do on it to improve gaming experience.
Game:

Hungry Bacteria​

About game:Kill hungry creatures which looks like bacteria and viruses. Play point game to reach high score, complete challenge mode, earn money and upgrade your skills to improve your achievements.
Link to GooglePlay
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