Midway is a two player game about the classic naval battle using flowcharts instead of maps.
The Miniature Wargaming Editor
A Sky Full of Ships Space Fleet Rules
A Sky Full of Ships are a set of free wargames rules for space fleet rules in which the player plays an admiral, commanding large fleets:
Instead of being just the captain of a few ships, you take the place of an admiral, commanding entire fleets. Using simple, fast moving game mechanics, these rules attempt to portray the important aspects of huge fleet engagements without becoming too bogged down in time consuming detail. They’re for those players willing to sacrifice some complexity to achieve a fast moving, playable, and most importantly, FUN game.
En Avant En Masse Napoleonic Rules
En Avant En Masse is Jim Wallman’s diceless, divisional level Napoleonic Wargame. Jim writes:
Based on the En Avant! diceless battalion level game, this takes the concept to the next level. This system is designed to play out a corps battle using 6mm figures in about an hour or so. The intention is that there is a player per division, with a corps commander in overall control, per side. It is not intended that the players see or use the game rules � this is to be done by one or more umpires.
German NK-101 Minenraumer rolling mine exploder
The Hemmings Auto Blogs have a post on a wonderful Wierd World War II vehicle: the Minenraumer, which apparently is kept in a Russian museum.