Interestingly enough DX:MD is in a near unique position. It’s partially supported by the game itself.
This route has no head tracking:
Click Play Game > Setup > Select Side-by-Side > Save > Launch Virtual Desktop > Launch Game > Hit F7 > Go to Settings adjust the stereoscopic separation until it looks natural for your eyes > reduce graphics settings until your killer rig runs smoothly > enjoy
It’s playable and actually pretty cool, but you’d still be using keyboard / mouse.