Is Extreme Traffic Racer Game 3D safe?

This extension adds a 3D traffic racing game playable in the browser.

Players drive a high-speed car through city traffic using the keyboard, aiming to avoid vehicles and obstacles while reaching the finish line quickly. The game includes 3D graphics, car physics and sounds, car modification, multiple cars, challenging levels, weather conditions, and sunny, night, and rainy modes. The description also mentions leaderboards and unlockable vehicles as players progress.