Time Crisis: Crisis Zone
Double Gun mode:
Get over 60% completion to unlock double gun mode in story mode.
Unlimited ammunition:
Get over 100% completion to unlock unlimited ammunition (no reloads)
in story mode.
Crisis Missions secret weapons:
Kill the opponent in brown body armor that appears for a short time
in the following levels to unlock the corresponding weapon.
Flame thrower – Drycreek Plaza; in the store room
Gatling gun – Grassmarket Street; in the first open area
Grenade launcher – Belforte Hotel
Laser rifle – Garland Technology Center;
the room with the automatic gun turrets
Missile launcher – Garland Park; among the STF trucks.