The Babylon Project is independent of the [rpgsystemid=467 d20] RPGs of similar name. The system uses two D6, one red (positive), one green (negative) for most resolutions. Snake eyes (1,1) causes a "setback" and box cars (6,6) provides a "benefit". Task resolution is ability modified by the die roll against a difficulty level target number.
Combat uses a scatter system against a silhouette to determine actual hit locations.