Here is the full list of all 21 Randoville achievements.
Throw the Dice 250 times, wow
Nice progress, but it's not the end
Regress for the first time
Throw the Dice 100 times
Spend an in-game month
Build 5 Zones
Throw the Dice 50 times
Get your first 20
Build 10 Fields
Start fishing
Build 50 meters of fence
Spend an in-game week
Have 10 or more peasants
Roll two 20s in a row
Throw the Dice 10 times
Get 100 stone from clicking rocks
Grab 100 lootables
Delete 100 trees
You did it, Legend
Plant 100 trees
Catch 25 fishes