Wow ! That art is amazing (those mold/rock structures in the top left room has some masterful detail, especially the drip onto the vent)! I wonder what the finished project will look like (or a demo, I know how hard actually finishing a game can be), I hope for your success!
btw no you wont be able to drive them what are you thinking in the game you play as some sentient bulbous flesh inside some containment why would you be able to drive one