Plants vs. Zombies Garden Warfare 2

When you finish Davebot's missions and you go into the portals.
This one is in Rose's portal. (3rd mission i think).
You fight little goats and close a portal.
once you close the 3rd portal the boss goat comes out.
He will just run at you and ram you.
just try to climb a house and shoot from up there.
easy achievement.

This is a pretty chill achievement to get. Accept the mission assigned to you by the Rose queen lady called to initiate progression.
After you screw over the town and unleash

3 Portals open, one at a time, that spawn who do their best to impede your progress shutting down each respective portal by dealing damage into it until it collapses. The easiest character to use for this would probably be Rose, just because you can stick a time slow bubble on top of the portal and the become easy spawn kills while aiming at the portal. This only really works from a decent distance though. If you get close enough the and the slow effect will do little to prevent this.
After you shut it down you have to manually deactivate it as if you were reviving a team mate so take similar precautions.

Once 2/3 of the portals are closed the third one will spawn a
This guy does more damage as you'd assume but otherwise acts as a normal enemy. Easy method to win is to ring him around a car or jump on a near roof to keep him from landing any hits and maximizing damage output. After that you win good job!