How should I design a combat game map?

Help and Feedback Game Design Support
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#1

Hi,

  1. What do I Want to Achieve
    I need advice on how to go about designing a map for a combat game similar to Chaos or Mortem Metallum.
  2. The Issue
    I am not able to get a grasp on what a unique yet fun map would be like.
  3. Solutions So Far
    I was thinking a small town with one big road running down it almost like Be Dead Forever Simulator.
    But I feel like it is not a good combat game map.

Thank you.