Sinister Laboratories is a joint publishing venture between Rattrap Productions and Brigade Games. The rules put out through it do not follow the same narrative adventure style game that the normal Rattrap rules do. Some of the titles are purely historical miniatures games, some may be quirky, quick play games.
Currently there are many rule sets available including:
Contemptible Little Armies - a set of World War I through the interwar years rules
In the Heart of Africa - a set of colonial Africa rules
Future Wars - a set of near future, science fiction rules