Not me, but DF + Anything?
I'm sure there's SOME game that wouldn't combine with it well, i'm just not sure what. I mean, my first thought was Dwarf Fotress combined with a Racing game, but after a few moments thought, it becme apparent that it could work pretty well.
You'd start with seven dwarves, of whom you could have metal workers for making components for cars, crafts dwarves for making seats and wheels and such, mechanics for assembly and repairs, a driver, a Public Relations team, and so forth.
Imagine the artifact moods, though.
Urist McMechanic: I must have wheels!
Urist McMechanic: I must have a fiberglass frame!
Urist McMechanic: I must have an engine!
Monom McPRGuy: Oh god, get him the stuff guys, if he goes insane and dies it'll reflect badly on us!
Urist McMechanic: I must have a reclining seat!
Urist McMechanic: I must have fuel!
Urist McMechanic has begun a mysterious construction.
Monom McPRGuy: Thank god it wasn't a fell mood, the last guy who went into one made a rally car out of my predescessor.
Mistem McCraftsdwarf: Yeah, it's a shame we're a formula one team, otherwise it'd have been a really ni-
Urist McMechanic has created Speedfast the Tires of Squealing, a formula one racing car!
Urist McDriver: I MUST TEST THAT OUT RIGHT NOW!
Urist McDriver: HOLY CRAP THIS GOES SO FAST!
Urist McDriver: AHH! TOO FAST! I CAN'T MAKE THIS TU-
Urist McDriver has died after colliding with a pitstop.
Urist McMechanic has died in a collision.
Monom McPRGuy has died in a collision.
Mistem McCraftsdwarf has died in a collision.
A stray kitten (tame) has died in a collision.
Your Race Team has crumbled to its end.
Dwarf Pitstop: Losing is Fast!