Habs "difficult" by played on difficulty within few hours. Was too easy. Would say difficult in Heart of the Swarm corresponds to normal in Wings of Liberty. The day then nochma play on brutal.
I would have liked a little more challenge and longer missions.
By quite a lot of time-critical missions that must be managed within a given time, the game is also fast. And really a lot of fun not make the missions also. "Destroy Enemy / Item X vergeigt within the next few minutes, otherwise have the mission."
I do stuff like auchmal the maps on whether to bypass and attack from anywhere can not NEN opponents, where he does not expect or degree has no units, but by the time critical runs all simply it out as quickly as possible as many units repeatedly to rush at the enemy.
Unit Skills Although there are (for example, by the Infestor), but you do not need to simply. There are units that could tactically - Lurker einbuddeln example - but why should something do research, then place the tactical units and micro-manage when you can simply overrun with masses of Zerglings and Banelingen the enemy?
Mass Queens is incidentally also super, firing at air and ground and heal constantly influence each other.
For me, felt that, as it rushes from one mission to the next. The story was about to short. In Wings of Liberty Thats a lot of nice videos in between, the gabs here almost not.
In time, the Blizzard had for the addon, had more real can make out of it.