Demon's Pawn
Ragnarok Enterprises: Ysgarth 2 (1980 Digest)

Kahldath: the Messiah
Ragnarok Enterprises: Ysgarth 2 (1980 )
Ragnarok Enterprises: Ysgarth 2 (1980 Digest)

The Maghrib
Ragnarok Enterprises: Ysgarth 2 (1980 Digest)

The Corsairs of Cythera
Ragnarok Enterprises: Ysgarth 3 (1981 )

Double-Doom
Ragnarok Enterprises: Ysgarth 3 (1981 Digest)

Ravensgate
Ragnarok Enterprises: Ysgarth 3 (1980 Digest)

Hills of Binazmia
Ragnarok Enterprises: Ysgarth 4 (1984 Digest)

The Mithraeum at Zergendeh
Ragnarok Enterprises: Ysgarth 4 (1983 )

Tufandez, Tower of the Stormlords
Ragnarok Enterprises: Ysgarth 4 (1982 Digest)
Ragnarok Enterprises: Ysgarth 4 (1983 Digest)

Rivermasters of Arania
Ragnarok Enterprises: Ysgarth 5 (1986 )