D&D Curse of Strahd
Publisher: Wizards of the Coast
System: D&D fifth edition
Type: Adventure
https://store.steampowered.com/app/450080
D&D Ghosts of Saltmarsh
Publisher: Wizards of the Coast
System: D&D fifth edition
Type: Adventure
https://store.steampowered.com/app/1067830
D&D Classics: Temple of Elemental Evil
Publisher: Wizards of the Coast
System: D&D Classics - AD&D 1E/2E
Type: Adventure
https://store.steampowered.com/app/1108650
D&D Classics: S2 White Plume Mountain (1E)
Publisher: Wizards of the Coast
System: D&D Classics - AD&D 1E/2E
Type: Adventure
https://store.steampowered.com/app/1412060
Pathfinder RPG - Rise of the Runelords Anniversary Edition
Publisher: Paizo Inc.
System: Pathfinder RPG and D&D 3.5/ OGL
Type: Adventure
https://store.steampowered.com/app/627030
Pathfinder RPG - The Tyrant's Grasp AP 1: The Dead Roads
Publisher: Paizo Inc.
System: Pathfinder RPG and D&D 3.5/ OGL
Type: Adventure
https://store.steampowered.com/app/1011730
Pathfinder 2 RPG - The Fall of Plaguestone
Publisher: Paizo Inc.
System: Pathfinder 2.0
Type: Adventure
https://store.steampowered.com/app/1127430
Pathfinder 2 RPG - Age of Ashes AP 1: Hellknight Hill
Publisher: Paizo Inc.
System: Pathfinder 2.0
Type: Adventure
https://store.steampowered.com/app/1128120
Pathfinder RPG - Campaign Setting: Towns of the Inner Sea
Publisher: Paizo Inc.
System: Pathfinder RPG and D&D 3.5/ OGL
Type: Setting
https://store.steampowered.com/app/1419460
Deadlands Reloaded: Hell on Earth Companion
Publisher: Pinnacle Entertainment Group
System: Savage Worlds
Type: Accessory
https://store.steampowered.com/app/1126810
Game Master's Toolbox: Ultimate NPCs: Warfare 5th Edition
Publisher: Nord Games LLC
System: 5E Compatible
Type: Accessory
https://store.steampowered.com/app/1309160
Lemurian Legends: The Complete Adventures
Publisher: Filigree Forge
System: Barbarians of Lemuria
Type: Adventure
https://store.steampowered.com/app/1211690