(abbreviated as IABSM) is a World War II tabletop skirmish miniatures wargame produced by Too Fat Lardies.
As such, IABSM has been heavily influenced by the Kriegsspiel approach,[1] usually (but not always) utilizing an umpire to help decide points of issue that arise during the game such as modifiers for shooting, spotting enemies, etc.
The rules are designed to force players to adopt realistic tactics, including scouting ahead for hidden enemies as the game system uses "blinds" to simulate the fog of war.
The basic IABSM system provides a framework allowing players to tailor the game to specific situations or conflicts.
The challenges and possibilities of this approach are endless, since shooting at a target behind some cover would require both players (or the umpire) to agree on the shot being Great, Ok or Poor.
However version 3, published in Summer 2012 contains 'The Normandy Handbook', to cover the campaign in France following Operation Overlord, and contains basic lists for US, British and German forces, as well as four historically inspired scenarios, and six generic 'scenario generator' templates.