Here is the full list of all 40 Leap of Faith achievements.
Find Robin's pin-code
Comment on every nuke you can
End up with Stephanie
Well, that was unexpected
End up with Cece
Play through the game once
See a minimum of 20,000 screens in Leap of Faith
End up with Holly
Unlock every dialogue option when sunbathing with Holly
Unlock the party on the plane
Don't set Chris up with someone
Leave Steph behind
Aquire 5 romantic trait points
Jump out the window at Steph's place
Message Steph before you meet up with her again
End up with Lexi
Stick to one girl all through the story
Aquire 5 atletic trait points
Don't lie at all during a full playthrough
Have a threesome
Show great expertise as a rear end identifyer
Reach max points with at least 5 people in your contact list
Nuke something
Set Chris up with someone
Reach full speed at the bowling alley
Flex at every opportunity
Get a hold on Lexi's number on your own
End up with Kira
End up with Robin
End up with Kira and Robin
End up with Linda
Sleep with 5 different girls in one playthrough.
Find three easter eggs
Successfully sneak up on Steph
Lie at least three times during one playthrough
Try, but fail setting Chris up with someone
Achieve a perfect score when helping Cece remember
Collect at least 30 images on your phone
Aquire 5 flirty trait points
Complete every task on your phone