Prey PC Game + DLC. $28 @ CDkeys

http://www.cdkeys.com/pc/games/prey-pc
Includes the Cosmonaut Shotgun Pack:

• Margrave Shotgun & Ammo Plans
• 2 Medkits
• Starter Fabrication Materials
• 3 Transtar Neuromods
• 1 Recycler Shielding Chipset