RU/CIS: {sub/809304}
SEA: {sub/809305} (confirmed)
China: {sub/809303} (confirmed)
EUROPE: {sub/809306} (confirmed) - a region locked key that can be redeemed ONLY IN Europe
LATAM without Mexico: a region locked key, not indexed on SteamDB {sub/809307} (confirmed)
Turkey: a region locked key, not indexed on SteamDB
Everyone else: (North Americas, Africa, Oceania, India + rest of Asia, Mexico): {sub/809309} (confirmed) - a region locked key that can be activated anywhere apart from RU/CIS, SEA (without China; China can activate it), Europe, LATAM,
