Watch the action-packed trailer for Silica to learn about the story and see the aliens of this upcoming game, which is a mix of FPS and RTS genres. Silica is available now in Early Access. Silica is a crossover of FPS and RTS where up to 3 factions battle for control over the planet of Baltarus. Lead from above as commander, or experience the action first-hand, either alone, or with friends. Join one of two human armies, or hunt them down as the territorial aliens. #IGN #GameTrailers