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