The 2B works okay with most of the estim (audio) teases here. You may have to tinker with your computer audio settings to get the most out of the experience but you would have to do that with any audio fed estim device...

I have followed this several times, never have I tried easy! :P Just have never been given any codes for the upper floors :/

I've made it through everything to do with floors 1-10, never given the chance to 'chose another' or anything else to get the code to the 11-20 elevators. Not once has anything come up as indicated in this thread to get a code for the upper floors.