GameSpot: Review by Greg Kasavin, scoring 7.6/10: "Players itching for more mech combat might as well get Black Knight."
GameSpy.com: Reviewed by Andrew Bub (85/100). "The most troubling thing about Mechwarrior 4: Black Knight is that it's priced like a full game rather than the "add-more" expansion pack it really is." Includes screen shots.
GameZone: Reviewed by Kevin Giacobbi (9/10) "Many new additions will make this a must have for any MechWarrior fan."