caveexpress 2.4+git20160609-4 (s390x binary) in ubuntu bionic

 CaveExpress is a classic 2D platformer with physics-based gameplay
 and dozens of levels. Master your pedal-powered flying machine to
 pick up packages from your cave-dwelling clients and drop them off
 at the collection point.
 .
 But beware! Mighty mastodons, terrifying pterodactyls and others
 would rather see you extinct.