Here is the full list of all 28 Organ Trail: Director's Cut achievements.
Make it to Safe Heaven without starting with any money or selling anything.
Use 50 medkits
Make it to Safe Heaven without starting with any food or buying any food.
Make it to Safe Haven with George Romero in your party.
Always choose to shoot your way through zombie hoardes.
Kill all the other members of your party while they are healthy.
Kill "Ryan" at the start of a game.
Fully upgrade your station wagon.
Have $1000 on you.
Get attacked by zombies 20 times during scavenging.
Survive all 3 boss encounters.
The station wagon breaks down 4 times during the trip.
Kill 500 zombies
Successfully forde a horde of zombies 3 times.
Kill 25 zombies without missing a shot.
Stop at 50 tombstones.
Beat the game on hard.
Scavenge more than double the supplies you can carry.
Don't pull the trigger
[Secret] sacrifices himself for the greater good.
Investigate 30 points of interest.
Put down an infected party member who has passed out.
Someone died of dysentery.
Find your own grave.
Your party dead, you made it to Safe Heaven alone.
Beat the game without trading anything on the road.
Become a zombie.
Beat the game five times.