From the US edition manual
"Get Ready for Turbo-charged Pinball Action!
'Alien Crush' is a spellbinding video pinball game combining real, 'turbo-charged' pinball action with far-out alien graphics. Rack up a winning score as you discover all the twists, tricks and hidden bonuses inside the caverns of some of the most outlandish alien worlds you've ever seen. You control the ball speed, flippers, even 'tilt' the board. Nothing can prepare you for this ultimate alien encounter!"