D&D Xanathar's Guide to Everything (5E)
Publisher: Wizards of the Coast
System: D&D fifth edition
Type: Adventure
https://store.steampowered.com/app/720130
D&D Tokens Volume 2
Publisher: Wizards of the Coast
System: D&D fifth edition
Type: Token Pack
https://store.steampowered.com/app/498900
Hellfrost Gazetteer
Publisher: Triple Ace Games
System: Savage Worlds
Type: Accessory
https://store.steampowered.com/app/587550
PFRPG Basic Paths: Curse of the Sickled Hand
Publisher: 0one Games
System: Pathfinder RPG and D&D 3.5/ OGL
Type: Adventure
https://store.steampowered.com/app/308010