Systems
Gamma World 2000: Alternity in One Book
Identify the 2000 book and the rules included in it.
Catalogue
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Find titles, module codes and TSR item numbers across the archive and Blog.
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Campaign settings
Birthright 1995: When AD&D Characters Became Rulers
Connect personal adventures, domain decisions and military play.
Adventures
The Secret of Bone Hill: Why Restenford Matters
Use the town to connect local information and nearby expeditions.
Adventures
Temple of the Frog: From Blackmoor 1975 to DA2
Separate the early supplement scenario from the 1986 adventure.
Campaign settings
Spelljammer 2e: Core Books, Optional Rules and Campaign Boxes
Choose core rules, ship-combat supplements and campaign material.
Campaign settings
Ravenloft 2e Books: What the Black Box, Red Box and Domains of Dread Replace
Compare core rules, maps and physical aids across the original boxes.
Rules and compatibility
Using Player's Option Books Separately: A Dependency Guide
See where character points and tactical spell rules connect the books.
Editions and components
Planescape 1994 vs Print on Demand: Maps, Screen and Booklets
Check the original loose components before choosing a reading copy.
Rules and compatibility
Using Mystara Gazetteers with OSE: Rules You Need to Check
Review character options separately from maps and factions.