Here is the full list of all 24 Colossal Cave achievements.
Safely deposit the vase in WellHouse
You encounter the pirate, and recover your stolen treasure.
You see the the breathtaking view in the depths of the cave.
Player discovers 10 treasures
You learn all the magic phrases.
Grow the beanstalk, climb and explore the Giant Area
Fall and break every bone in your body.
Get batteries from the vending machine in maze
Player discovers 5 treasures
You have an encounter with a dwarf.
You successfully defeat the snake in Hall of Mists
You build a Crystal Bridge
You successfully capture the bird
You open the grate and enter colossal cave.
You enter the wellhouse.
Allow the bear to walk on the bridge
Congratulations. You've just vanquished a dragon.
You retrieve eggs from troll
You have freed the bear and brought him to the troll.
You see the shadowy figure reflected in the cave.
You explore every region of the cave
You discover all 15 treasures
You have cleared the game!
Perfect 350pt score.