Here is the full list of all 15 Mushroom Wars achievements.
Achieve victory on all Skirmish maps on highest difficulty
Earn all rewards in all Campaign levels
Complete Campaign on highest difficulty
Complete Campaign in under 60 minutes.
Complete Campaign
Win a Skirmish game
Encounter aliens in Campaign
Achieve maximum attack level
Upgrade your village to level 5
Achieve level 5 morale
Capture 300 enemy buildings
Earn all 9 rewards in a single Campaign level
Earn each reward at least once
Capture an enemy building without having any of your own
Encounter forest warriors in Campaign