Here is the full list of all 25 Dungeon Of Dragon Knight achievements.
covered 90 percent of the dungeon tiles
First time finish the game
Resurrect a player
Understand the story
Click on witch 100 times
Get the best magic weapon
Get the three kinds of magic sword
All characters wearing armors;
Get the set of General Suit
Put on a set of archer armors
Get the set of Wizard Suit
Spent 100000 in one shopping time
Learned at least 5 kinds of skills for one character
Carrying 200000 GP
Finish first three levels in old school mode
Wearing a set of baggar suit
Kill a monster with only one hit
Kill 50 monsters
Finish the first level
First time fall in the a hole trap
Finish the tutorial level
Kill the first monster
Cast a spell
Quit tavern without spending a penny
Find a secret place