There's little else spilled but it's thought this could be a 'spin-off' to Aliens: Colonial Marines for Nintendo DS. Recently Creative Assembly landed the Aliens IP.
Wayforward Technologies is the studio behind Aliens Infestation and they've got experience with side-scrolling projects like A Boy & His Blob and Contra 4. SEGA is publishing the title which isn't tied to any platform by the.
Aliens: Colonial Marines releases on Xbox 360, PS3 and PC at an undisclosed date. Could Aliens Infestation by a DS side-scroller spin-off for SEGA?