Drone Tactics (昆虫ウォーズ Konchuu Wars in Japan) is a turn-based strategy game developed and published in Japan by Success and published in North America by Atlus exclusively for the Nintendo DS, which was released on May 13, 2008.
The player controls giant robot insects called "Drones". The Drones have more than 100 different customizable weapons and upgrades. Alongside dozens of campaign operations in the game's story mode, the game features over 70 maps and local multiplayer play.
Source: Wikipedia, "Drone Tactics," available under the CC-BY-SA License.