Is rocket league soccer 3d Unblocked safe?

Play a rocket-car soccer game in the browser.

This extension provides access to a 3D soccer-style game where players control rocket-powered cars to hit a large ball and score goals. The store description mentions car selection, boosts, power-ups, upgrades, customization, dynamic arenas, and multiplayer modes. The listed manifest information shows language/localization entries but no evident host permissions or data recipients.