Chrome 42+ disables NPAPI plugins like Unity3d plugin.
Copy and paste the following text into your browser: chrome://flags/#enable-npapi and enable the NPAPI plugin.
Or try another browser like Firefox
Drive a tank and destroy tanks from other players from all over the world in a big arena. Earn XP to upgrade your tank in Crash Drive 2: Tank Battles! The controls are simple: Arrow keys = move, Enter = shooting, Ctrl = nitro, Spacebar = handbrake