Here is the full list of all 14 Hex Empire 3 achievements.
Play Squirmish
Conquer a map in Squirmish
Capure a flag in Squirmish
Capture 2 flags in Squirmish
Capture 3 flags in Squirmish
Capture 4 flags in Squirmish
Capture all flags in Squirmish
Play Challenge
Earn 100 points in Challenge
Earn 300 points in Challenge
Earn 500 points in Challenge
Earn 700 points in Challenge
Earn 900 points in Challenge
Earn 1100 pints in Challenge