Adventures Of A Space Cowboy Game

The aliens have abducted a cowboy and dropped him off on a distant planet. You have to guide him through the unknown planet with alien creatures all around and escape out. You're equipped with your pistol, use it to shoot down the aliens and avoid getting hit by them.
Watch out for other threats that you've to face throughout your journey.
Instructions:
Move Around : W,A,S,D Keys Jump : Space Bar Flip Double Tap : Space Bar Aim : Mouse Shoot : Left Click