Hi jim3e8, we're sorry to hear you ran into trouble. There's definitely a few more things to do after the cube dungeon. What version of the game were you using? In case you want to give it another shot, here are a few tricks in rot13:
Bar guvat lbh pna gel vf svefg orngvat gur ybar qnexahg gb gur yrsg orsber jnyxvat onpx guebhtu gur svefg ebbz gb svtug gur ybar qnexahg ba gur evtug, gura ergheavat ntnva gb gur svefg ebbz naq jnyxvat hc, hc, hc, hc juvyr gnxvat bhg gur erznvavat qnexahgf nf lbh ybbc gur phor. Guvf beqre fubhyq znxr gur pbzong rnfvre fvapr gur pbagebyf jba'g trg syvccrq.
Nabgure cbffvoyr fgengrtl vf hfvat obzof ntnvafg gurz fvapr bar obzo uvg jvyy xvyy n qnexahg. Gb trg obzof va gur svefg dhrfg whfg vtaber gur fjbeq naq lbh jvyy svaq rvtug obzof ng gur ortvaavat bs rnpu qhatrba. Vs lbh eha bhg, whfg jnec gb gur birejbeyq naq gur obzof jvyy nccrne ntnva bapr lbh trg onpx gb gur qhatrba. Tbbq yhpx!