均为LV2+ Invite Only，有限区，到明天晚上八点。
https://www.steamgifts.com/giveaway/YS6SY/poker-night-at-the-inventory
https://www.steamgifts.com/giveaway/RJIWA/puzzle-agent
https://www.steamgifts.com/giveaway/ExKxw/puzzle-agent-2
https://www.steamgifts.com/giveaway/Dhxwe/the-walking-dead