Like Wyvern said try Darkstone.
We have old archives
here
Cycle trought that and then decide do you want to give it a try...
I liked it, when it camed and should work older computers.
I also like Tom Proudfoots games. Nahlakh and Natuk.
Natuk is newer one and you can visit it's site
here
Download demo, not so big file and enjoy like I did!