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