Here is the full list of all 45 Adam's Venture Chronicles achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Try opening the gate of Eden
Talk to Digger
End of the Trilogy
#Winning
And the temple of Solomon
Gravedigger!
Digging up the dog
#Spinning!
Little wind mill, say it aint so...
Scaring the birds!
Fix that car!
North, West, Luz tha best
Find yourself a book
On, off, on, off, on, off....
Spin that globe!
Congratulations! You have completed episode 2!
Ah..look. A Book!
Darn,You fell. Well at least you achieved this.
Now was that so hard?
You unlocked chest Epsilon
You unlocked chest Delta
You're smarter than I thought
You unlocked chest Gamma
Hang in there!
Jump jump a little higher
You unlocked chest Beta
You are the master of ropes
Gas prices are ridiculous anyway...
You unlocked chest Alpha
You can tune a piano, but you can not tuna fish
Complete the full game
Solve the final puzzle
Find all seven missing pieces
Find the Full Circle secret
Find the Sound Belief secret
Find The Lion and the Snake secret
Endure a long climb
Find the A Full Spectrum secret
Find the Leap of faith secret
Find the hidden key
Find the Faith, Hope, Love secret
Explore Faith, Hope and Love
Find the Gate of Eden secret
Blow up the rocks
Congratulations! You managed to start the game!