Mage: the Ascension

An RPG in the World of Darkness setting, published by White Wolf, in which the player characters are magicians with the power to bend reality through force of will.

Links:

Official Site

http://www.white-wolf.com/Games/PAges/MageHome.html

Wikipedia

http://en.wikipedia.org/wiki/Mage:_The_Ascension

RPG.net Game Index

http://index.rpg.net/display-entry.phtml?mainid=68