The Miniature Wargaming Editor These Indian Mutiny Wargames Scenarios are free, and designed for the Victorian Steel rules. The authors say, however, that they are easily adaptable to other rules systems.
“When Technology Meets Tradition” is a set of rules for wargaming early modern warfare conflicts, roughly from 1895-1915. The emphasis of the author is on early World War I (1914-1915) but other period wars are also of interest, such as the Russo-Japanese War or the Boer wars. The rules are fast-play and focus on the problems faced by military tacticians during early modern warfare: when outdated linear tactics and love of the offensive ran head-on into lethal, accurate, and rapid firing weaponry.
Scenarios for the wars in Southern Africa from 1838 to 1884 is free, and designed for the Victorian Steel rules. The scenarios are easily adaptable to other rules sets, though.
As I said in a recent post, I think that WWII in the Pacific Theatre is a deserving, if underappreciated, period. (I’m regretting selling my Japanese and Marines a few years back). Here’s some advice on painting the Japanese.