UPK (UnPacK) by Mika Heiskanen --> S/SX/G/GX Expands PK'd objects back into their original form. Just put the "PK..." string on the stack and run UPK. Ideal for use in libraries, since it runs faster than RFU, UBZ, etc. See PK.DOC for details about the PK (object PacKer) program.