Advance Wars: Days of Ruin
Nintendo DS Cameos

Metro Island

One of the Trial Maps, Metro Island, is in the shape of a Metroid.

Submitted by Korre, commanderflint

Intelligent Defense Systems

During the final chapter, Caulder says of the building the fight is taking place outside:

"This is the central research facility for Intelligent Defense Systems"

This is a reference to Intelligent Systems, the developer of the game.

Submitted by Korre