Subway Surfers 1.7.3 [upd] Link

Moreover, the "World Tour" events were born because the developers saw how much time players spent in the single, static map of 1.7.3. They realized players craved variety —but the foundation they built upon was so solid that the game remains industry-leading a decade later.

: A new power-up that allowed players to multiply their points during a run for higher rankings. Subway Surfers 1.7.3