Use https://rot13.com/ to decode the solution to each question.

What do I do about the GHOSTs/YOKAI/MONSTERs?
Lbh pna'g qb nalguvat nobhg gurz. FUBJvat gur PEBFF gb gurz qbrf abguvat.
Lbh'yy whfg unir gb zbir gb nabgure ebbz.
Gurl nccrne jura lbh gnxr gbb znal gheaf ng bapr va n ebbz.

What items do I need to complete the game?
EBCR YVTUGRE CNCRE XAVSR

What do I need to do with the CNCRE?
Lbh arrq gb trg gur YVTUGRE, URNG CNCRE, naq ERNQ CNCRE.

How do I get to the hidden room?
Qb gur fgrcf nobir, YBBX YVTUGRE, CHFU OHGGBA, tb gb gur xvgpura, TB EVTUG.

What do I do about the fgenatr ZNA?
Lbh arrq gb GVR ZNA be ERFGENVA ZNA.
Lbh jvyy arrq gb unir gur EBCR (fgbentr ebbz) naq XAVSR(xvgpura)
be ryfr vg jvyy or TNZR BIRE.

Any extra things I can do?
Lbh pna ZBIR CVPGHER va gur yvivat ebbz gb hairvy n FJVGPU.
Vs lbh CHFU FJVGPU, gur yvtugf jvyy tb bhg naq lbh jvyy unir gb YVTUG YVTUGRE.
Vs lbh qba'g unir gur YVTUGRE, lbh pna'g qb nalguvat naq jvyy trg n TNZR BIRE.


