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