https://www.youtube.com/watch?v=CobETV5QeHENew features that will be added October 20:
Co-op! Drop in co-op play during any combat scenario
Choose-your-route on the road with twice as many cities
5 unlockable cars
10 unlockable characters
3 new boss fights
3 new zombie types
Radiation mechanic gives you a new way to die
Hit and Run driving job
Graveyard retrieval mission
Fishing
More and new bandit attacks
Secret endings
Double the story encounters
Double the road events
For the uninformed Organ Trail is Oregon Trail with Zombies and glorious pixel graphics. You still die of dysentery, fording is replaced with fording a zombie horde, You can be attacked by Bikers or a stampede of zombie deer, there are somewhat rare boss battles, the finale is epic, and theres a lot more to discover.
