Bob Corderey offers Red Flags and Iron Crosses, a set of free wargames rules for playing World War II games in 20mm. The rules focus on small actions between Soviet and German forces.
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New Zealand Colonial Wars DBA Variant
Stephen Thomas offers a DBA variant for New Zealand Colonials Wars. The author writes:
These rules are intended to refight the battles of the New Zealand Colonial Wars, 1840-1872. They do not cover skirmishes They are based on DBA, and influenced by the article by Ed White on DBA and the Seven Years War (WI65), and Clive Clapson’s article on the Maori Wars (WI63). As in Ed’s article there are two assumptions:
1. The first round of close combat also includes short range small-arms and artillery fire.
2. Troops potency depended on their ability to deliver close range volleys or cold steel.
English Civil War DBA Variant
The Solitary Wargamer offers a variant of DBA for the English Civil War.
Home Fires ECW Campaign Rules and Map
The Solitary Wargamer offers a set of free English Civil War campaign rules called Home Fires.
MG-42 Two Hour Wargames Introduction
MG-42 is a set of free wargames rules designed as an introduction to Two Hour Wargames’ Reaction system.