This page contains BioHazard 4 Unlockables for Playstation 2 called "Upgrades" and has been posted or updated on Oct 3, 2007 by jkalebh930. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Capcom
- Publisher: Capcom
- Genre: Action Adventure Horror
- Release Date: Oct 25, 2005
- ESRB: Mature
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.
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