You can download the TUNNELER.COM program here: tunneler.zip
Tunneler is designed for an IBM-PC compatible computer running DOS. It might run in the Command Prompt window on early versions of Windows if you go full-screen (press ALT-ENTER), but not on Windows 7 and later. Your best bet is to install the DOSBox emulator. Here’s Tunneler running under DOSBox:
pretty good game tho didnt wanna leave my name here
yeah, I have many fond memories of playing this decades ago though oddly the keyboards of yore were better suited to two people bashing on many keys simultaneously than modern ones which seem to get confused with that much simultaneous inputs tbh