Urriak Uruk
Gaming is fun, and fun is for everyone
Up until now, OAR has updated adventures that were on the top 30 list as published in Dungeon #116 from November 2004. Possible spoilers for OAR #8 and beyond?
#1 Queen of the Spiders (1986) Against the Giants included in Tales from the Yawning Portal
#2 Ravenloft (1983)
#3 Tomb of Horrors (1978) included in Tales from the Yawning Portal
#4 The Temple of Elemental Evil (1985) OAR #6
#5 Expedition to the Barrier Peaks (1980) OAR #3
#6 The Desert of Desolation (1987)
#7 The Keep on the Borderlands (1979) OAR #1
#8 Return to the Temple of Elemental Evil (2001)
#9 White Plume Mountain (1979) included in Tales from the Yawning Portal
#10 Return to the Tomb of Horrors (1998)
#11 The Gates of Firestorm Peak (1996)
#12 The Forge of Fury (2000) included in Tales from the Yawning Portal
#13 Dwellers of the Forbidden City (1981)
#14 Dead Gods (1997)
#15 Castle Amber (1981) OAR #5
#16 The Isle of Dread (1980) OAR #2
#17 Ruins of the Undermountain (1991)
#18 The Hidden Shrine of Tamoachan (1980) included in Tales from the Yawning Portal
#19 Against the Cult of the Reptile God (1982)
#20 Scourge of the Slave Lords (1986)
#21 Dark Tower (1980) OAR #7
#22 The Lost Caverns of Tsjocanth (1982)
#23 The Forgotten Temple of Tharizdun (1982)
#24 City of the Spider Queen (2002)
#25 Dragons of Despair (1984)
#26 City of Skulls (1993)
#27 The Sinister Secret of Saltmarsh (1981) included in Ghosts of Saltmarsh
#28 The Lost City (1982) OAR #4
#29 The Assassin’s Knot (1983)
#30 The Ghost Tower of Inverness (1980)
You could probably add that Ravenloft is largely reprinted and expanded in Curse of Strahd.
Queen of the Spiders... I'd love to see at least the last part get OAR treatment.