PROST (universal Roleplaying System) launched by the Neue Welten Verlag, Herford created by Ingo Höckenschnieder.
PROST is a universal, modular and very fast Roleplaysystem. A huge amount of action can be done without checks, for the other checks the players only need a d20.
Prost can be used for all fantasy roleplaying games.
Pyramos, Avarion and Pentagramm are worlds created for Prost