GTA: Mobster Roadster
You are one of the newly recruits on underground gang. Now, you need to prove yourself to them. You need to do several task for them, so you can gain their trust. Drive your car on the road and be on the lookout for a rival gang member. Get rid of the rival gang members. The game revolves around that idea, but each level would be different as you have different mission every time. You'll earn money after each mission and you can use it to upgrade your car or buy better gun. The game will become harder as you make some progress, so it is essential that you buy some upgrades.