Nailed it just now on Timeshock!. Really felt satisfied with it, as I also cashed in 100M with the Souvenir Combo (Mobile Phone + Couch Potato = Very Big Points).
How? Right Loop (no Quickshots Lit), Right Ramp, Spinner, Continent Ramp, Left Ramp, Crystal. Then see your score jump by 100M+. You'll enjoy it.
Rewards: All Locks Lit, All Empty Continents spotted, Time Drive ready, All Souvenirs from the current Time Zone.
How? Right Loop (no Quickshots Lit), Right Ramp, Spinner, Continent Ramp, Left Ramp, Crystal. Then see your score jump by 100M+. You'll enjoy it.
Rewards: All Locks Lit, All Empty Continents spotted, Time Drive ready, All Souvenirs from the current Time Zone.