hi

one of my grasndsons has a game i lert him play, i see it has download a folder--"runescape" 49 mb, has a dat file, it also is labled
.jager_cache_32 and has a random dat file ,,jagg.dll,,,jagmisc.dll,, i don't want it don't need it, it's not in control panel, do i just delete it?

http://www.runescape.com/ this is the game
tks