User blog comment:Damac1214/Review of Call of Duty: Black Ops II/@comment-25496444-20121129134839/@comment-92.84.52.11-20121129142358

It's far from being a sandbox. Strike Force is the sandbox mode. The main campaign is just tons and tons of linear corridors and alleyways. For me, it had a bit more replayability than the standard CoD campaigns (which isn't saying much) because of the customizable loadouts.