Rex Nebular and the Cosmic Gender Bender is a Adventure, Point & Click, 1990's PC game, developed by MicroProse Software, Inc., available on Steam and published by Nightdive Studios.
A priceless vase is lost on a distant planet that doesn't exist! An irate colonel wants it back! And only one man is experienced enough... skilled enough... and foolish enough to retrieve it! Interstellar adventurer and bungling bachelor Rex Nebular!