Here is the full list of all 17 Dungeons: The Eye of Draconus achievements.
Three players selected at start screen
Beat the game with Rose on single player
Complete the game with Gleobryn on single player
Gleobryn kills 50 enemys while mounted on Fluffers & eats 10 hot Fluffers dinners
Both Gleobryn and Bolax were tea-bagged by Big Kahuna while Rose avoided such an unwholesome fate
Bolax eats a hot Fluffers dinner
Rose collects 25 bags of gold
Complete the game without using a continue
Complete the game without using special attack
Complete the game without jumping
Beat the game with Bolax and Gleobryn
Complete the game without skipping any video and dialogue cutscenes
Beat Ziegfield and Rohan without using a continue
All party members covered in chocolate at once
Gleobryn misses 100 times with fireballs
Bolax kills 20 enemies while his rage attack is activated
You bought, installed, and started the game