From the Publisher's Website:
Frankengame is about playing monsters made up of different pieces and parts. Character generation is a group activity. The rules are lite and freeform. There are brief descriptions of three different settings. For 3 or more players.
Characters have three attributes: Physical, Mental, Social. They additionally have three freeform traits that are areas in which they excel. These traits are written by the players but assigned randomly to the characters.
Action resolution is performed using a pool of six-sided dice; as many as the sum of the appropriate attribute and trait. These dice are split between an action pool (which determines success or failure) and a quality pool (which qualifies the extent of a success). Each pool is rolled against a target number appropriate to the action.