: A PSP "ISO" prototype or a PS3 "PKG" file (which can be over 4.2 GB ) intended for use with emulators like RPCS3 or PPSSPP .
The file Virtua.Tennis.3.zip likely refers to a compressed package of , a 2007 arcade-style tennis simulator developed by Sega-AM3 and Sumo Digital . File Overview & Context
: The full retail game or a "repack." A complete installation requires roughly 3.9 GB of hard drive space.