Remake copyrights

Miscellaneous Forums/General Discussion/Remake copyrights

..basicaly, what I'm looking for is some copyrights infos about copyrights over ancient Atari console game XYBOTS..we (me and 3 guys more) wanna make remake of this 3rd person game from ancient era of game world..I did send few emails to Atari/inforgames/, Australian office, but by now noone reply to me, and few emails is returned and not delivered (recipient email doesnt exist, even its listed on Atari's web site..strange!)..I dont know where to look to get proper info about copyrights over Xybots...Atari dissapointed me a little bit..everythings looking pretty messy..