Cave Fighter by Rajcsányi László is an action game made with GB Studio.
You are trapped in an underground cave system, and escape by travelling through all the caves before your energy runs out. You will come across different aliens which you can dodge and shoot. Your man can move left, right, climb ropes, jump and fire. To jump, press the “B” button. The longer you keep the button depressed, the higher the man will jump. The man automatically fires in the direction the face is pointing. So, up for a thrilling and exciting adventure?