The mysterious land where people communicate through racing. Follow the main character in search of his brother who left home 3 years ago. Players must defeat all the bosses to rescue their brother. Features: Fresh Content We are continuously developing Hill Racing: Boss Challenges and adding new vehicles, new stages, and new boss! Unique Gameplay Experience unique gameplay with support items similar to those in kart racing games, ensuring you never feel bored. Unique Vehicles Drive a wide v