Warhammer 40,000: Squad Command marks the first time the brutal, war-ravaged world of Games Workshop's Warhammer 40,000 universe will be playable on the NDS and PSP. Warhammer 40,000: Squad Command features action-packed combat and turn-based strategy through an engaging, authentic single-player storyline. Gamers play as the elite Space Marines of the Ultramarines chapter and strive to combat the encroaching evil of the daemonic forces of Chaos through 13 cinematically-tied missions.