D&D Classics: The Complete Ranger's Handbook
Publisher: Wizards of the Coast
System: 2E
Type: Accessory
https://store.steampowered.com/app/1097080
D&D Classics: Complete Priest's Handbook
Publisher: Wizards of the Coast
System: 2E
Type: Accessory
https://store.steampowered.com/app/1090880
D&D Classics: C2 The Ghost Tower of Inverness
Publisher: Wizards of the Coast
System: 2E
Type: Adventure
https://store.steampowered.com/app/1086610
D&D Acquisitions Incorporated
Publisher: Wizards of the Coast
System: D&D fifth edition
Type: Accessory
https://store.steampowered.com/app/1092820
Pathfinder RPG - The Tyrant's Grasp AP 4: Gardens of Gallowspire
Publisher: Paizo Inc.
System: Pathfinder RPG and D&D 3.5/ OGL
Type: Adventure
https://store.steampowered.com/app/1100480
Dungeon Crawl Classics #69: The Emerald Enchanter
Publisher: Goodman Games
System: Dungeon Crawl Classics
Type: Adventure
https://store.steampowered.com/app/1102600