D&D Classics: N1 Against the Cult of the Reptile God (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Adventure
https://store.steampowered.com/app/1057970
D&D Classics: Monstrous Manual (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Core
https://store.steampowered.com/app/1057920
Savage Suzerain Adventure Deck
Publisher: Savage Mojo
System: Savage Worlds
Type: Accessory
https://store.steampowered.com/app/951790
Expanding Classes (Castles & Crusades)
Publisher: Troll Lord Games
System: Castles & Crusades
Type: Adventure
https://store.steampowered.com/app/602870