The Rocket Launcher is an unlockable weapon in Resident Evil Zero. It appears as large uniquely built weapon and is mostly greyish blue in color.
The Rocket Launcher is unlocked by beating the main game with an S Rank which is done by finishing it in less than three and a half hours. It will be added to Rebecca's inventory when a new game is started.
It takes up 2 spaces of inventory and has unlimited ammunition. It is powerful enough to kill all enemies in one shot, including bosses. Rebecca is forced to take a step back after firing it while Billy can stand still and fire it faster than her.
- Examine: Rocket Launcher
"A devastatingly powerful piece of weaponry that fires rockets."
The likeness of this weapon is used as the Rocket Launcher in Resident Evil: The Umbrella Chronicles.