Too Fat Lardies did this sort of thing very well for historicals and there are other companies that I’ll recall as soon as I’ve finished this coffee. Purps is right, the fashion at present is for smaller games and his reasoning strikes me as correct - we are more flighty and like dabbling in different periods (the wider availability of periods/figures compared to 40 years ago supports this) and life circumstances have changed (less time/space).
I like the idea of expanding periods from 1:1 skirmish through pure RPG rules to ‘platoon’ action via TFL up to Grand Armee scale (if I can be bothered with the last one) - it gets the most out of a collection of figures.
The co-operative historical game against an umpire is rare, but can be great fun. The ‘Too Much For the Mahdi’ rules were a cracking example of this, they insisted on running the game that way and provided some memorable entertainment for me (but then I like being an umpire
