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Old-School Essentials
a collection by
M. Allen Hall
· last updated
2026-08-19 13:58:03
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The Green Ooze King
$5
Adventure for Cairn and OSE
M. Allen Hall
The Mountain of Power
$2
A low-level dungeon for OSE or B/X D&D.
M. Allen Hall
Out of the Iron Labyrinth
$8
A hell escape adventure for 1 PC for OSE.
M. Allen Hall
