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