If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Outer Space Explorer is a challenging flash game. You have to make your way through the levels using your laser gun. Watch out at falling asteroids and traps. Collect the space gas to earn point, and try to reach the finish.
Use arrow keys to drive your truck.
Use X and Z to move the laser gun.
Space bar to shoot.