Here is the full list of all 25 Dungeons 2 achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
You collected a total of 250,000 mana.
You won a multiplayer round in “King of the Hill” mode.
You used the spell “Evil Strikes Back” once.
You allowed all the nobles to arrive on the “A blood-red wedding” map, and still managed to complete the mission.
You found the Wall of Ice in the Plaguelands.
You have reached a respectable playing time. Glad to hear it! :)
You mined a total of 1,000,000 gold.
You completed the Dungeons 2 campaign!
You managed to hold off all the nobles on the “A blood-red wedding” map. You rascal, you!
Destroyed the Elf Forest with the Demons
One of your dungeons reached the highest possible level at one point in time.
You collected a total of 25,000 mana.
You simply fired a furious monster.
You annihilated all of the Alliance's bases in “Trolls from Hell”.
You built a “Rolling Stone” trap and it was triggered!
You owned 200 barrels of beer at one time in the game.
You mined a total of 100,000 gold.
You killed a Unicorn in the campaign.
You collected a total of 2,500 mana.
You defeated Krowtoes, but he narrowly managed to escape.
Took the wrong turn in the Swamp Lands.
You ensured that King Robert met an untimely demise.
A creature steps into the Overworld for the first time in the campaign.
You mined a total of 10,000 gold.
The Prime Evil has died at least once on the first map.