Here is the full list of all 17 Adam's Venture Episode 1: The Search For The Lost Garden achievements.
Find the A Full Spectrum secret
Find the Faith, Hope, Love secret
Watch it, watch it all!
Try opening the gate of Eden
Complete the full game
Find all seven missing pieces
Solve the final puzzle
Find the Full Circle secret
Find the Sound Belief secret
Find The Lion and the Snake secret
Endure a long climb
Find the Leap of faith secret
Find the hidden key
Explore Faith, Hope and Love
Find the Gate of Eden secret
Blow up the rocks
Talk to Digger