From publisher blurb:
In Duumhaven Village, a Spirit Screams...
SHOTGLASS ROUNDS are PDF-only One-Shots for 5e for the DM who doesn’t like to prep! Flexible, convenient, super-charged excitement in a compact package that won’t have you sitting up for hours doing prep for your next game session! Each adventure is designed for a 4-5 hour game and includes new monsters, full-size player’s maps in grid & grid-less versions!
Duumhaven includes a valley and village setting, NPCs and side missions, forest encounters, a complete 1st-level introductory adventure called 'Always on my Mined', new monsters, and multiple new school, old school and isometric maps! It's an old school adventure and setting designed to be used with 5e, Old School Essentials (OSE) or OSR games, and comes with 5e and OSE/OSR monster listings and 5e and OSE rulings.
Duumhaven can be played as a One-Shot or as the first adventure in the old school-style Dungeon Duumhaven mini-campaign, designed to take PCs from 1st - 5th level!