Collect the Gems

Game description
Collect the maximum number of gems before your strength becomes zero.
How to play
The aim of the game is to collect the maximum number of gems before your strength becomes zero. Use the arrow keys to move your car. Shoot five times at the gem box to collect a gem after you hit a gem box on the road. Drag the mouse to aim, and click the mouse to shoot.The position of the gems is indicated in the map as a white dot. If the bullets from the enemy gun hit your car your strength gets reduced. If your strength becomes zero the game ends.