This question is easy for some but hard for others.Its hard for me cause there so many good gamrs out there i narrowed it down too 10
1.Final Fantasy 7 (of coarse)
2.Deus ex
3.Doom
4.Final Doom
5.Halo(i hate Xbox but my friend has one and i played Halo and Dead or alive 3.I Have too say Halo is good)
6.Point Blank
7.Sonic Adventre
8.Metal Gear solid
9.Sims
10.Quake 2

Although it was hard i Have too say......................FINAL FANTASY 7!!!