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