Slitherine

Expand your experience with new campaigns, the Advanced Economy system, and the rise of gunpowder warfare.

To celebrate the release, a free patch is available for all players.

Moreover, the Kingdoms franchise is also on sale, the perfect time to jump in: https://store.steampowered.com/news/app ... rDnY19JkfQ

If I purchase Burghers and Bombards and start a MP campaign with a B&B scenario, will my friends with only FOG:K be able to join the challenge and play?

Yes and they will have the B&B features!
Be sure to update for MP:

viewtopic.php?t=119492