A possible concise summary is:
Two players try to survive a zombie apocalypse on a train, a raft and a plane. They comment on the action, the music and the environment. They use different weapons and strategies to fight off the zombies. They finally escape on a c-130 Hercules.
Here are the key facts extracted from the text:
1. A train is involved in the scenario.
2. There are references to zombies.
3. A shotgun is mentioned as a weapon.
4. The term "pain train" is used multiple times.
5. There's a mention of a character named Ellis.
6. The setting includes a river that is contaminated.
7. A raft is constructed during the scenario.
8. There's an encounter with a character known as the conductor.
9. The group seems to be trying to escape from an island.
10. A plane is involved towards the end of the scenario.
Please note that these points are extracted based on the information provided and are kept brief as per your request.