Here is the full list of all 21 Braveland achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Three treasure chests collected.
You defeated the army without losing a single warrior.
All warrior abilities learned.
The best equipment of all four types on.
Sigurd defeated.
Game completed without using the easy level of difficulty.
Game completed using only the hard level of difficulty.
100 units encouraged.
Rain of Fire spell learned.
Defense spell used 10 times.
All four equipment items on.
Arakin defeated.
Acceleration spell used 10 times.
1000 damage inflicted to the enemies with Fire Arrow.
Treasure chest collected.
Fromm defeated.
Two warrior abilities learned.
Equipment item on.
Warrior ability learned.
Peasants have joined you.
Page on Facebook or Twitter visited.