Larry Brom’s The Sword and the Flame may be as close as anyone has come to a “universal” wargames set. Here’s a variant of the game for the Moro Rebellion and the US Involvement in the Philippines: The Sword In the Philippines
Rules: Colonial
A Place In The Sun African Colonial Rules
A Place In The Sun is a set of free wargames rules for southwest Africa from Greg Novak. The download link is on the upper right side on the landing page.