Age of Ravens: History of Cyberpunk RPGs (Part Two: 1993-1994)

Underground (role-playing game) - Wikipedia

Hell Bent (Underground RPG)

Underground GM Pack - Mayfair Games, Underground

Underground Adventures - Relaunch! 3D STLs Tiles Terrain RPG by My Dungeon — Kickstarter

1993 Ad for Mayfair's Underground Roleplaying Game – BattleGrip

Pyramid: Pyramid Pick: Underground

Download Underground RPG WC3 Map [Role Play Game (RPG)]

UNDERGROUND: Ways and Means - Democracy City Sourcebook RPG Mayfair Games MGI

My next game is a turn based RPG about a young child lost in an underground sewer system where strange fog is mutating the creatures and critters inhabiting the labyrinth : r/Unity2D

Underground Warehouse Fantasy Digital Battle Map – RPGxNihilo