If you do the research that increases $ per second, it doesn't include future $ upgrades, so as it stands right now, its best to get as many $ per second upgrades as possible before researching
Your money is displayed on a little white counter in the top right, there have been cases of people thinking the big gold view counter is the money. Does this help or is it something else? How many upgrades do you have, at high levels the price gets rounded so as to fit on the screen which sometimes means the upgrades cost more than they display. Was this of use?
In order to continue with the weapon shop you must kill the Alien Army at least once and then you will unlock the higher end weapons good luck and happy hunting!
You know why games rarely use this keyboard set up? because its awkward, you have every opportunity to learn from other games mistakes, not just repeat them
Hey Pella, we'll probably add it in the stats tab. Thanks for the feedback!