The top selling VR titles are as follows, organised into tiers by gross revenue but I've added sales figues (not revenue figure) to top middle and bottom titles for comparison.
Job Simulator: The 2050 Archives 170,847
Hot Dogs, Horseshoes & Hand Grenades
Space Pirate Trainer
Fallout 4 VR
Rick and Morty: Virtual Rick-Ality
DK2 owner - Vive owner - Pimax 8k backer - Waiting for Knuckles on Valve time.