Micro Melee
Micro Melee is a rules system for recreating company level
engagements of WWII in 6–15mm.  Although it would be a stretch
to manage a battalion level game, it could be done, provided there
is a large space with multiple GMs.  Micro Melee handles
movement, identification, combat and leadership from the
perspective of a platoon.  Command is assigned to Lieutenants,
Captains, Majors and Colonels within HQ units.  Much of the detail
for individual soldiers is incorporated abstractly.  Hand grenades
are reflected in a greater fire power factor at point blank range
and the casualty model is expressed in terms of damage points.

The basis for these rules is the platoon; the smallest component
of which is a squad.  Each nationality will assemble a unique order
of battle.  A Table of Organization & Equipment will be helpful as
you build your forces, but is not included in this book.  Ten to
twelve-man squads (depending upon the nationality) should be
tracked with the forms provided in Appendix B.  Regardless of the
actual number of figures you choose to glue on a base, each unit
should represent a single squad, crew or support team.  Those
should then be grouped into platoons and companies.
Game Master Charts
PDF version
Sample Scenario