Here is the full list of all 7 One Way Trip trophies - there are 2 bronze, 3 silver and 2 gold.
Take care of your stomach.
It's time to break out of that cocoon and go to a party. You can do it!
The game - it's really done!!
Finish the game.
In the end, you pursued the cure.
In the end, you stuck around.
Protect two of your friends from an early death.