Monkey Hill Racing is a good choice to kill time , it is the most addictive physics based driving game, you can control your vehicle to climb to face the challenges of unique environments.

Features:
- Simple and smooth controls.
- Lots of different vehicles with unique upgrades (many different vehicles: monster truck, tank, jeep, crane truck, excavator, …).
- Upgradeable parts include fuel, engine, suspension, and tires …
- Share your score with Leaderboards