Boulderdash, Ultima, Wings of Fury, Maniac Mansion, Pirates!, Seven Cities of Gold, Taipan, Archon, Wizardry, Zork, Lemonade Stand, and gobs of others for Apple ][c, ][e, & ][gs.
Whelp, you can find all of them right here:
Virtual Apple 2
They run in Windows IE only! No Mac's, sorry.
You only have to allow an ActiveX emulator program to install. Then you choose your game by alphabetical order and off you go!
Still not positive how to get joystick functionality, but I didn't dig deeply into the site.
Enjoy!
