It's not-quite-id-software-yet's...
"In HOVERTANK 3-D you play mercenary Brick Sledge, hired by a beneficent organization to rescue people from cities targeted for limited nuclear strikes. Get in, get 'em, and get out, before the missile hits."
"Climb on board your new HOVERTANK and go to it!"
Rescuing people from nuclear strikes in a hovertank?
You needn't big it up so much, you had me at 'Brick Sledge'!