Beat the game on Legend difficulty.
Reach level 75 with one character.
Kill 10,000 monsters with one character.
Reach level 50 with one character.
Kill the Goblin King with more than one player present.
Beat the game as a warrior.
Complete all quests on Hero difficulty.
Destroy 1,000 barrels with one character.
Reach level 25 with one character.
Drink 200 potions with one character.
Reach level 10 with one character.
Kill a boss only using skills (no basic attacks).
Gain a level with one character.
Kill a monster in a single blow.
Beat the game as a rogue.
Beat the game as a mage.
Beat the game with all 3 character classes.
Beat the final boss in a 4-player multiplayer game.
Earn 1,000,000 gold with one character.