Game Comparison
Two out of three games have spikey-headed heroes.
All three games have leading males.
Cloud and Vincent are relucant to help while Zack is more or less willing to help.
SOLDIERs are the main "evil" force for all three games.
Final Fantasy VII is the only one where you have a party.
Crisis Core and Dirge of Cerberus have similar battle systems unlike Final Fantasy VII which has an active time battle (ATB).