This issue seems like this ticket.
https://www.steamgifts.com/discussion/CRvot/total-war-shogun-2-dlc-giveaways-cannot-be-entered
Comment has been collapsed.
30 Comments - Last post 7 minutes ago by wigglenose
62 Comments - Last post 1 hour ago by Pika8
19 Comments - Last post 1 hour ago by lafilleange95
93 Comments - Last post 2 hours ago by ewoda
625 Comments - Last post 2 hours ago by BlazeHaze
80 Comments - Last post 3 hours ago by PaganFears
1,527 Comments - Last post 4 hours ago by FranckCastle
94 Comments - Last post 9 seconds ago by Kappaking
12 Comments - Last post 27 seconds ago by Mhol1071
94 Comments - Last post 2 minutes ago by AmikoNovich
7 Comments - Last post 2 minutes ago by Mitsukuni
1,637 Comments - Last post 3 minutes ago by mourinhos86
32 Comments - Last post 4 minutes ago by Ellendyl
129 Comments - Last post 22 minutes ago by Habaruku
From my giveaway:
https://www.steamgifts.com/giveaway/SqKcA/total-war-shogun-2-rise-of-the-samurai-campaign
No one can enter it. It says "Missing Base Game".
As gangnamstyle suggests, SteamDB seems to have two AppID's for the base game (34330, 201270).
refer: https://steamdb.info/app/34343/info/
Comment has been collapsed.