De Bellis Indica is a DBA variant for simulation of warfare in India in the 18th and 19th centuries. The basic scale is 1 figure = 50 men and 40mm = 100 paces
rules
Beyond the Saale Seven Years War Campaign System
Beyond the Saale is a set of campaign rules for the Seven Years War.
Flames of War Desert Campaign
Running a “campaign” can add context and interest to a miniature wargame. Here’s a Tobruk Desert Campaign for Flames of War.
Valley of Fire Northwest Frontier Campaign
Valley of Fire is a free campaign system for the Northwest Frontier. The authors write:
This is a fictional colonial campaign set in the Northwest Frontier during the late 1880s. A British fort is under siege and a relieving force has exactly one month to break the siege! The villages in the valley and mountain passes go into revolt, adding more and more foces to the siege and to block the British advance. The system features hidden movement, is of moderate complexity, and is designed to be run with or without a referee. The PDF contains rules, counters, a planning map, and log sheets.
Phantoms: Air Combat In The Missile Age Rules
Phantoms is a set of free wargames rules based on the old Avalon Hill “Mustangs” game. It’s for playing air combat games from 1960 to present. The link is to the deluxe version with all of the updates, data cards and scenarios.