This page contains BioHazard 4 Unlockables for Playstation 2 called "Unlock "Exclusive" Upgrades" and has been posted or updated on Jan 11, 2007 by georgesfisher. Let us know what you think of this Unlockable by thumbs voting.
Unlock "Exclusive" Upgrades
Once you have fully upgrades every stat for a specific weapon, you can purchase an expensive "Exclusive" upgrade for that weapon. Note: Killer7 has no "Exclusive" Upgrade.
|Unlockable:||How to Unlock:|
|0.40 fire speed for Semi-auto rifle||completely upgrade Semi-auto rifle|
|1.8 firepower for TMP||completely upgrade TMP|
|10 firepower for Riot Gun||completely upgrade Riot Gun|
|100 max ammo for Matilda||completely upgrade Matilda|
|100 max ammo for Striker||completely upgrade Striker Shotgun|
|18 firepower for Rifle||completely upgrade Rifle|
|3.4 firepower||completely upgrade Blacktail|
|5 firepower for Red9||completely upgrade Red9|
|50 firepower for Broken Butterfly||completely upgrade Broken Butterfly|
|Homing missle for Mine Thrower||completely upgrade Mine Thrower|
|Increase firepower for distant targets||completely upgrade Shotgun|
|Penetrate up to five bodies||completely upgrade Punisher|
|increase chance for head shot by 5X||completely upgrade Handgun|
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