The kissing alien in Vohaul's asteroid is the alien from Ripley
ED-201 from the RoboCop-movies can be seen in Vohaul's asteroid.
He's the thing chasing you away from the escape pods - however,
he has cleverly been re-labelled "Vohaul MarrowMatic".
While playing, type CHEAT and press return. This brings you to an
alternate "THE END" screen (as the one in SQ1) with 255 out
of 250 points.
A graffitti in Vohaul's toilet reads "King Graham cross dresses.",
in reference to King's Quest. Also mentioned are Al Lowe and
When Roger is caught in the hunters snare on Labion, he dreams
he is Leisure Suit Larry.