Hill 4x4 Tuning Rivals!

HILL 4X4 TUNING RIVALS offers you head-to-head racing with hill climb style through green forest and sandy desert against opponent (AI) with different strength. Race and win races to be able to unlock next tiers. Use them wisely.- Push the gas pedal to the metal before green light.- Purchase a better car if a new tier is unlocked.- Achieve 25%, 50%, 75% and 100% of Tier Progress rewards extra racing points.