Collecting coins in such a kind of game? Has never been a good idea. I want to focus on shooting and targeting, not on searching stuff. Have you ever played this game completely through and compared with others of this kind? Maybe you should. So fast disappearing upgrades are a very bad idea. Alsso bad is to stop the game after the shot of the last enemy. It should be stopped after collecting the last upgrade. I would give 3 Stars for the game if the problems would not be there, but i must remove 1.5 Stars for the double fail combination off collecting stuff with mouse during fast gameplay and fast disappearing stuff during fast gameplay.