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