You are accessing a U.S. Government information system, which includes this computer, this computer network, all computers connected to this network, and all devices and/or storage media attached to this network or to a computer on this network. This information system is provided for U.S. Government-authorized use only. Unauthorized or improper use of this system may result in disciplinary action, and civil and criminal penalties. By using this information system, you understand and consent to the following: You have no reasonable expectation of privacy regarding any communications transmitted through or data stored on this information system. At any time, the government may monitor, intercept, search and/or seize data transiting or stored on this information system. Any communications transmitted through or data stored on this information system may be disclosed or used for any U.S. Government-authorized purpose.

: You can view or download the original game manual for free on the Internet Archive .

If you are looking for the "Dark Rift" feature in , it is a solo boss-fighting system that unlocks once your character reaches Level 56 .

Since "Dark Rift" refers to several different pieces of software and gaming content,

: Standard fighting game mechanics apply, with specific move lists found within the digitized manual. Dark Rift Nintendo 64 Manual - Internet Archive

: Up to 12 different bosses can spawn in designated locations on the world map.