Score x4 is an extra that may be bought and used in all of the Lego Star Wars games. When turned on, all stud values will be multiplied by 4. For example, silver studs are worth 40, gold studs are worth 400, blue studs are worth 4000, and purple studs are worth 40000. When combined with Score x2, Score x6, Score x8, and Score x10, all stud values will be multiplied by 3840.