I don't have a middle mouse button. This is literally unplayable.
I already have a mouse. Not all mice come with a middle mouse button. Also, mice cost money. However, if you would like to give me the money to purchase a new mouse just for this one game I'd be happy to receive it. I doubt that is the case though. So, that still leaves this game in a state that is unplayable to people without a middle mouse button. You may want to consider such things going forward as a developer. Since the fewer people able to play the games you make means the slower your name/brand can grow.