Increased health, more loot, and the ability to see tagged enemies through walls make a surprisingly difficult game a little less stressful. (cogconnected.com)
I especially liked the new gadgets like the floating ball that can detect and visually tag enemy locations. (toucharcade.com)
Interestingly you can also tag enemies for your team, and indeed teams with a dedicated spotter tended to perform better. (wolfsgamingblog.com)