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GM Core / Chapter 2: Building Games / Environment

Plains

Source GM Core pg. 92 Spring 2026, 1st Printing
The plains environment encompasses grasslands such as savannas and farmland. The most common disasters in plains are tornadoes and wildfires.

Hedges

Source GM Core pg. 92 Spring 2026, 1st Printing
Hedges are planted rows of bushes, shrubs, and trees. Their iconic appearance in adventures consists of tall hedges grown into mazes. A typical hedge is 2 to 5 feet tall, takes up a row of squares, and provides cover. A character trying to push through a hedge faces greater difficult terrain; it’s sometimes faster to Climb over.

Undergrowth

Source GM Core pg. 92 Spring 2026, 1st Printing
Light undergrowth is difficult terrain that allows a character to Take Cover. Heavy undergrowth is greater difficult terrain that provides cover automatically. Undergrowth in plains is usually light with a few scattered areas of heavy undergrowth, but fields of certain crops, like corn, are entirely heavy undergrowth.