[@Nerevarine]I might be interested, too.
I have multiple ideas but I have a question regarding tech.
We are regressed to medieval levels, sure. But what level of medieval? 12th century? 15th century?
For example I have a feeling that guns would be far more common still because all the stuff lying around to assist it.
Also catapults throwing nuclear waste digged up from the ruins of a former reactor or its dumping ground.