When I attend large trade shows, I try to take some time to explore what some of the smaller or startup companies have to offer. “Making it” in the educational software field is tough even if you have a great concept because it can be difficult to gain attention for your products.
Muzzy Lane Software offers a high end “simulation” (I would also classify this product as a simulation/strategy game) that allows history students to take on historical roles, make key decisions, and experience how such decisions might have influenced the course of history. The present game emphasizes WWII era European history. Running beneath the “video game” is a complex structure of rules and a proprietary engine (potentially allowing the adaptation of the technology to other scenarios or content domains.
The company web site offers a nice page with links to online information on quality education games.