They also appear in the Spear of Destiny sequel "Spear: End of Destiny", along with the Rocket Launcher. Each rocket pack contains 2 rockets.
Rocket Crates are usually found in secrets, so don't expect to find a lot if you don't like finding secrets.
|Weapons (all versions)||Knife · Pistol · Machine Gun · Chain Gun|
|Super Nintendo derived port exclusive weapons||Flamethrower · Rocket Launcher|
|Pickups||Blood · Dog Food · Food · First Aid · One Up · Key · Ammo · Treasure|
|Spear of Destiny and Super Nintendo derived port pickups||Ammo Box|
|Super Nintendo derived port exclusive items||Ammo Pack · Fuel Can · Rocket Crate|