Excerpt: Don't let the number on the end of Armored Core fool you: here we have a series that's run a lot longer than the aforementioned '4' would have you believe. Totalling eleven titles thus far in, FROM Software have steadily marched their mechanical army into the homes of players since the early days of the PSX.
Excerpt: has a very basic setup: hostages must be saved while criminals are taken out of commission. In order to reach the hostages, colored keys which unlock corresponding doors must be found. A stage is cleared upon saving the required amount of hostages and finding the red key.