1 definition by Mudder

Top Definition
RPI
Role-Play Intensive.

Used to define a game that, well, has intensive roleplay. Generally used to describe MUDs.

As of now, three RPIs exist on the Internet; Armageddon, Harshlands and Shadows of Isildur.
Armageddon (www.armageddon.org) is an RPI MUD.
by Mudder September 04, 2004
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