Sega has announced on their official blog that Aliens: Colonial Marines is now available for pre-order on Steam.
The publisher also revealed the pre-order bonus, the S.H.A.R.P. Stick, which was referenced by Hudson in Aliens. The prototype is a sonic-harpoon artillery remote projectile (S.H.A.R.P.) rifle that fires time-delayed, explosive-tipped darts, embedding themselves into enemies or terrain.
Aliens: Colonial Marines is due to be released on the 12th February for PC, Xbox 360 and PlayStation 3.