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