If I remember right that game was wildly picky about the amount of memory free in the lower area. It may also have been an XMS/EMS issue. Some games were real

If I remember right that game was wildly picky about the amount of memory free in the lower area. It may also have been an XMS/EMS issue. Some games were really picky about what you had running. It could have been not using the extra 15MB of memory if it was not set correctly.