I've been able to reassign the forward button on the side to be a "sniper" button...I used the drop down menu in the actions key and picked mouse function. However it seems to be hit and miss whether that setting is really saved or not as it works sometimes and then goes back to default. I don't understand how review sites can say the software is so easy to use on this mouse??? With my razer I could pick from a massive list of functions I wanted to remap to any particular button and it worked. I don't see any of these options with this software.