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