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